"Sou Yasuhara,Yosuke Hamasaki,Tsukasa Katayama,Takahiro Ao,Yoshiyuki Inaguma,Hajime Hojo,Maarit Karppinen,Anish Philip,Shintaro Yasui,Mitsuru Itoh","Modulating the Structure and Magnetic Properties of ε‐Fe2O3 Nanoparticles via Electrochemical Li+ Insertion",,"Inorganic chemistry","American Chemical Society","Vol. 59",,"pp. 4357-4365",2020,Mar.
"N. Imamura,K. Singh,D. Pelloquin,Ch. Simon,T. Sasagawa,M. Karppinen,H. Yamauchi,A. Maignan","Magnetodielectric response of square-coordinated MnO2 unit in cubic BiMn7O12",,"Appl. Phys. Lett.",," 98",," 072903",2011,Feb.
"T. Motohashi,T. Ono,Y. Katsumata,R. Kanno,M. Karppinen,H. Yamauchi","Electrochemical synthesis and properties of CoO2, the x = 0 phase of the AxCoO2 systems (A = Li, Na)",,"Journal of Applied Physics",,"Vol. 103",,"pp. 07C902-1-3",2008,May
"L. Karvonen,H. Yamauchi,M. Karppinen","Homologous series of SrCoO(3n-1)/n perovskites obtained through Br2 oxygenation of SrCoO2.5",,"Chemistry of Materials",," 20",," 7143-7147",2008,
"K. Uusi-Esko,H. Yamauchi,M. Karppinen","Characterization of RMnO3 (R = Sc, Y, Dy-Lu): high-pressure synthesized metastable perovskites and their hexagonal precursor phases",,"Materials Chemistry and Physics",," 112",," 1029-1034",2008,
"S. Kadota,M. Karppinen,T. Motohashi,H. Yamauchi","R-site substitution effect on the oxygen-storage capability of RBaCo4O7+δ",,"Chemistry of Materials",," 20",," 6378-6381",2008,
"Y. Tanaka,M. Karppinen,J.M. Lee,H. Yamauchi","Systematic Cu L2,3-edge and O K-edge XANES spectroscopy study on the infinite-layer superconductor system",,"Solid State Communications",," 147",," 370-373",2008,
"T. Kobayashi,T.S. Chan,R.S. Liu,J.M. Chen,Y. Tanaka,M. Karppinen,H. Yamauchi","Quantitative XANES spectroscopy study on the prototype hole- and electron-doped high-Tc superconductor systems, (La,Sr)2CuO4 and (Nd,Ce)2CuO4",,"Chemistry of Materials",," 20",," 5414-5420",2008,
"S. R?s?nen,H. Yamauchi,M. Karppinen","Oxygen absorption capability of YBaCo4O7+δ",,"Chemistry Letters",," 37",," 638-639",2008,
"T. Motohashi,Y. Nonaka,M. Karppinen,H. Yamauchi","Fabrication and thermoelectric characteristics of [(Bi,Pb)2Ba2O4?w]0.5CoO2 bulks with highly aligned grain structure",,"Journal of Applied Physics",," 103",," 33705-1-6",2008,
"T. Motohashi,S. Kadota,H. Fjellv?g,M. Karppinen,H. Yamauchi","Uncommon oxygen intake/release capability of layered cobalt oxides, REBaCo4O7+d: novel oxygen-storage materials",,"Materials Science and Engineering",,"Vol. B148",,"pp. 196-198",2008,
"N. Imamura,H. Yamauchi,M. Karppinen","Multivariate data analysis approach to understand magnetic properties of perovskite manganese oxides",,"Journal of Solid State Chemistry",," 181",," 1195-1203",2008,
"H. Okamoto,N. Imamura,M. Karppinen,H. Yamauchi","Neutron powder diffraction study of crystal and magnetic structures of orthorhombic LuMnO3",,"Solid State Communications",," 156",," 152-156",2008,
"N. Imamura,M. Karppinen,T. Motohashi,H. Yamauchi","Magnetic and magneto-transport properties of orthorhombic perovskites, (Lu,Ca)MnO3",,"Physical Review B",," 77",," 24422-1-7",2008,
"Y. Tanaka,T. Motohashi,M. Karppinen,H. Yamauchi","Conditions for superconductivity in the electron-doped copper-oxide system, (Nd1-xCex)2CuO4+δ",,"Journal of Solid State Chemistry",," 181",," 365-372",2008,
"M. Valkeap??,M. Karppinen,T. Motohashi,R.-S. Liu,J.-M. Chen,H. Yamauchi","In-situ and ex-situ monitoring of oxygen absorption in YBaCo4O7+d",,"Chemistry Letters",,"Vol. 36",,"pp. 1368-1369",2007,Nov.
"T. Motohashi,Y. Katsumata,T. Ono,R. Kanno,M. Karppinen,H. Yamauchi","Electrochemical synthesis and properties of CoO2, the x = 0 phase of the AxCoO2 systems (A = Li, Na)","52nd Annual Conference on Magnetism and Magnetic Materials","Abstracts: 52nd Annual Conference on Magnetism and Magnetic Materials",,,,"pp. CD-09",2007,Nov.
"T. Motohashi,Y. Katsumata,T. Ono,R. Kanno,M. Karppinen,H. Yamauchi","Synthesis and properties of CoO2, the x = 0 end member of the LixCoO2 and NaxCoO2 systems",,"Chemistry of Materials",,"Vol. 19",,"pp. 5063-5066",2007,Oct.
"田中良明,本橋輝樹,M. Karppinen,山内尚雄","電子ドープ型層状銅酸化物系 (Nd1-xCex)2CuO4+dの精密な状態図","日本物理学会 第62回年次大会","(社)日本物理学会",,,,"pp. 23pXA-11",2007,Sept.
"本橋輝樹,小野隆志,勝又義徳,菅野了次,M. Karppinen,山内尚雄","CoO2及びLixCoO2の電気化学合成と物性","日本物理学会 第62回年次大会","(社)日本物理学会",,,,"pp. 23pWH-13",2007,Sept.
"門田祥悟,本橋輝樹,M. Karppinen,山内尚雄","層状コバルト酸化物REBaCo4O7の酸素吸収・放出特性と関連物性","日本物理学会 第62回年次大会","(社)日本物理学会",,,,"pp. 22aWG-8",2007,Sept.
"門田祥悟,本橋輝樹,M. Karppinen,山内尚雄","新規酸素貯蔵材料REBaCo4O7+d (RE = Dy, Y, Yb, Lu)","応用物理学会 2007年春季 第54回応用物理学関係連合講演会","応用物理学会",,,,"pp. 30a-K-9",2007,Mar.
"野村朋哉,本橋輝樹,M. Karppinen,山内尚雄","酸素量を制御した(Bi,Pb)-2223相単結晶の臨界電流特性(?):単結晶育成・配向試料の作製・臨界電流特性評価","応用物理学会 2007年春季 第54回応用物理学関係連合講演会","応用物理学会",,,,"pp. 29a-L-4",2007,Mar.
"今村直貴,M. Karppinen,H. Fjellv?g,本橋輝樹,山内尚雄","大きく歪んだペロブスカイト構造をもつLuMnO3におけるキャリア?・ドーピング","応用物理学会 2007年春季 第54回応用物理学関係連合講演会","応用物理学会",,,,"pp. 27a-P2-6",2007,Mar.
"M. Valkeap??,Y. Katsumata,I. Asako,T. Motohashi,T.S. Chan,R.S. Liu,J.M. Chen,H. Yamauchi,M. Karppinen","Charge compensation and oxidation in NaxCoO2-d and LixCoO2-d studied by XANES",,"Journal of Solid State Chemistry",,"Vol. 180",,"pp. 1608-1615",2007,Mar.
"松田泰明,本橋輝樹,山崎陽太郎,M. Karppinen,山内尚雄","ダブルペロブスカイト型酸化物Sr2MgMoO6-dの燃料電池アノード材料としての化学的安定性","応用物理学会 2007年春季 第54回応用物理学関係連合講演会","応用物理学会",,,,"pp. 486(30a-K-10)",2007,Mar.
"田中良明,本橋輝樹,M. Karppinen,山内尚雄","電子ドープ型層状銅酸化物(Nd1-xCex)2CuO4+dにおける超伝導発現条件","応用物理学会 2007年春季 第54回応用物理学関係連合講演会","応用物理学会",,,,"pp. 30a-L-8",2007,Mar.
"M. Lehtim?ki,A. Hirasa,M. Matvejeff,山内 尚雄,KARPPINEN MAARIT","Water-containing derivative phases of the Srn+1FenO3n+1 series",,"Journal of Solid State Chemistry",,"Vol. in press",,,2007,
"G. Peleckis,G. Peleckis,KARPPINEN MAARIT,山内 尚雄","Isovalent substitution effects in the Na layer of -Na0.75CoO2 thermoelectric oxide",,"Physica C",,"Vol. 460-462",,"pp. 485-486",2007,
"Y.H. Huang,KARPPINEN MAARIT,N. Imamura,山内 尚雄,J.B. Goodenough","Structural transformation and magnetic competition in Yb(Mn1-xFex)O3",,"Physical Review B",,"Vol. 76",,"pp. 174405-1-5",2007,
"N. Imamura,KARPPINEN MAARIT,山内 尚雄","Magnetic dilution in the frustrated ferromagnetic pyrochlore system, (Dy1-xLux)2Mn2O7",,"Solid State Communications",,"Vol. 144",,"pp. 98-102",2007,
"L. Karvonen,S. R?s?nen,山内 尚雄,KARPPINEN MAARIT","Chemical Oxidation of SrCoO3-d",,"Chemistry Letters",,"Vol. 36",,"pp. 1176-1177",2007,
"J. Lind?n,J. Lind?n,KARPPINEN MAARIT,Grigoraviciute Inga,山内 尚雄","Measurement of local magnetic fields in the CuO2 planes of CuBa2YCu2O7- superconductors",,"Physical Review Letters",,"Vol. 98",,"pp. 67001-1-4",2007,
"M. Matvejeff,J. Lind?n,T. Motohashi,M. Karppinen,H. Yamauchi","Magnetic properties of spinel oxides, InFeMO4 (M = Mg, Co, and Ni)",,"Solid State Communications",,"Vol. 144",,"pp. 249-254",2007,
"T. Nagai,Y. Baba,KARPPINEN MAARIT,T. Asaka,S. Alam,山内 尚雄,山崎 陽太郎,K. Kimoto,Y. Matsui","Crystal structure analysis of Co-based layered cuprates CoSr2(Y1-xCax)Cu2O7+δ by transmission electron microscopy techniques",,"Physica C",,"Vol. in press",,,2007,
"T. Akao,T. Motohashi,M. Karppinen,H. Yamauchi,M. Hayakawa","Redox behavior during the transformation in zirconia with low yttria content",,"Materials Science and Engineering A",,"Vol. 438-440",,"pp. 387-390",2006,Dec.
"E.S. Otabe,I. Kohno,M. Kiuchi,T. Matsushita,野村 朋哉,本橋 輝樹,KARPPINEN MAARIT,山内 尚雄,S. Okayasu","Condensation energy density of superconducting Bi-2223 single crystals",,"Advances in Cryogenic Engineering: Transactions of the International Cryogenic Materials Conference 2005 - ICMC2005",,"Vol. 52",,"pp. 805-812",2006,Dec.
"I. Kohno,M. Kiuchi,E.S. Otabe,T. Matsushita,T. Nomura,T. Motohashi,M. Karppinen,H. Yamauchi,S. Okayasu","Pinning characteristics at high fields in superconducting Bi-2223 single crystals",,"Physica C",,"Vol. 445-448",,"pp. 137-140",2006,
"M. Karppinen,H. Yamauchi,S. Otani,T. Fujita,T. Motohashi,Y.-H. Huang,M. Valkeapaa,H. Fjellvag","Oxygen nonstoichiometry in YBaCo4O7+d: Large low-temperature oxygen absorption/desorption capability",,"Chemistry of Materials",,"Vol. 18",,"pp. 490-494",2006,
"M. Karppinen,I. Asako,T. Motohashi,H. Yamauchi","Oxygen nonstoichiometry and actual Co valence in NaxCoO2-d",,"Physical Review B",,"Vol. 71",,"pp. 92105/1-92105/4",2005,
"M. Karppinen,H. Yamauchi","Chemistry of halfmetallic and related cation-ordered double perovskites, in Frontiers in Superconducting Materials, A.V. Narlikar (Ed)",,,"Springer Verlag, Berlin",,,"pp. 153-184",2005,
"M. Karppinen,H. Yamauchi","Chemical design of copper-oxide superconductors: Homologous series and oxygen engineering, in Frontiers in Superconducting Materials, A.V. Narlikar (Ed)",,,"Springer Verlag, Berlin",,,"pp. 255-294",2005,
"M. Karppinen,Y. Morita,J.M. Chen,R.S. Liu,H. Yamauchi","Chemical control of high-Tc superconductivity of the triple-fluorite-layer copper oxide (Cu,Mo)Sr2(Ce,R)3Cu2O11+d (R = Y, La - Yb)",,"Physical Review B",,"Vol. 72",,"pp. 12501/1-12501/4",2005,
"M. Karppinen,I. Asako,T. Motohashi,H. Yamauchi","Oxidation state of cobalt in the NaxCoO2-d × y H2O superconductor",,"Chemistry of Materials",,"Vol. 16",,"pp. 1693-1696",2004,
"M. Karppinen,H. Fjellvag,T. Konno,Y. Morita,T. Motohashi,H. Yamauchi","Evidence for oxygen vacancies in misfit-layered calcium cobalt oxide, [CoCa2O3]qCoO2",,"Chemistry of Materials",,"Vol. 16",,"pp. 2790-2793",2004,
"Y. Morita,T. Nagai,Y. Matsui,H. Yamauchi,M. Karppinen","High-Tc superconductivity in three-fluorite-layer copper oxides. II. (Cu,Mo)Sr2(Ce,Y)3Cu2O11+d",,"Physical Review B",,"Vol. 70",,"pp. 174515-174520",2004,
"V.P.S. Awana,M. Karppinen,H. Yamauchi","Magneto-Superconductivity in Rutheno-Cuprates RuSr2GdCu2O8-d (Ru-1212) and RuSr2(Gd0.75Ce0.25)2Cu2O10-d (Ru-1222): A Critical Review",,"In: International Book Series: Studies of High Temperature Superconductors, A.V. Narlikar (Ed.), Nova Science Publishers, New York","In: International Book Series: Studies of High Temperature Superconductors, A.V. Narlikar (Ed.), Nova Science Publishers, New York","Vol. 46",,"pp. 77-98",2003,
"T. Watanabe,N. Kiryakov,J. Poulsen,J.M. Lee,J.M. Chen,R.S. Liu,H. Yamauchi,M. Karppinen","XANES and wet-chemical analyses of the charge balance in (Hg,Pb)(Ba,Sr)2Ca2Cu3O8+d",,"Physica C",,"Vol. 392-396",,"pp. 93-98",2003,
"M. Matvejeff,V.P.S. Awana,L.-Y. Jang,R.S. Liu,H. Yamauchi,M. Karppinen","Oxygen Non-stoichiometry in Ru-1212 and Ru-1222 Magnetosuperconductors",,"Physica C",,"Vol. 392-396",,"pp. 87-92",2003,
"J. Linden,T. Shimada,T. Motohashi,H. Yamauchi,M. Karppinen","Iron and molybdenum valences in double-perovskite (Sr,Nd)2FeMoO6: electron-doping effect",,"Solid State Communications",,,,,2003,
"M. Karppinen,H. Yamauchi,Y. Yasukawa,J. Linden,T. S. Chan,R. S. Liu,J. M. Chen","Valence state of iron in the Sr2Fe(Mo,W,Ta)O6.0 double-perovskite system: An Fe K-edge and L2,3-edge XANES study",,"Chemistry of Materials",,"Vol. 15",,"pp. 4118-4121",2003,
"T. Nagai,V.P.S. Awana,E. Takayama-Muromachi,A. Yamazaki,M. Karppinen,H. Yamauchi,Y. Matsui","Superstructures due to two crystallographically distinct Co-O layers in Co-based CoSr2YCu2O7-d (Ru-1212), CoSr2(Y3/4Ce1/4)2Cu2O9-d (Ru-1222) and CoSr2(Y1/3Ce2/3)3Cu2O11-d (Ru-1212) layered cuprates: A TEM study",,"Journal of Solid State Chemistry",,,,,2003,
"J. Linden,P. Karen,H. Yamauchi,M. Karppinen","Valence mixing, separation and ordering in double-cell perovskite GdBaFe2O5+w",,"Journal of Magnetism and Magnetic Materials",,,,,2003,
"J. Linden,H. Yamauchi,M. Karppinen","57Fe Mossbauer investigation of the FeII/III mixed-valence state and the B-site order in double perovskite A2FeMoO6",,"Journal of Magnetism and Magnetic Materials",,,,,2003,
"T. Yokosawa,V.P.S. Awana,K. Kimoto,E. Takayama-Muromachi,M. Karppinen,H. Yamauchi,Y. Matsui","Electron microscope studies of nano-domain structures in Ru-based magneto-superconductors: RuSr2Gd1.5Ce0.5Cu2O10-d (Ru-1222) and RuSr2GdCu2O8 (Ru-1212)",,"Ultramicroscopy",,,,,2003,
"G. Peleckis,T. Motohashi,M. Karppinen,H. Yamauchi","Enhanced thermoelectric properties of NaxCoO2 whisker crystals ",,"Applied Physics Letters",,,,,2003,
"J. Linden,M. Karppinen,T. Shimada,Y. Yasukawa,H. Yamauchi","Observation of antiphase boundaries in Sr2FeMoO6",,"Physical Review B",,,,,2003,
"T. Motohashi,T. Konno,K. Sakai,Y. Morita,T. Aoyama,S. Sugihara,M. Karppinen,H. Yamauchi","Thermoelectric Misfit-Layered Cobalt Oxides (II): Properties of Oxygen-Controlled Samples of Ca3Co3.95O9+d",,"IUMRS-ICAM 2003 Symposia: Category C & D",,,"No. 2","pp. 107",2003,
"Y. Morita,T. Konno,K. Sakai,T. Motohashi,S. Sugihara,T. Fujii,I. Terasaki,H. Yamauchi,M. Karppinen","Thermoelectric Misfit-Layered Cobalt Oxides (I): Oxygen Nonstoichiometry and Cobalt Valence",,"IUMRS-ICAM 2003 Symposia: Category C & D",,,"No. 2","pp. 106",2003,
"森田祐介,山内尚雄,マーリット・カルピネン","層状銅酸化物M-12s2ホモロガスシリーズの局所結晶構造制御と超伝導体化",,"日本物理学会講演概要集",,"Vol. 58","No. 2-3",,2003,
"守友浩,花輪雅史,大石泰生,加藤健一,中村仁,Maarit Karppinen,山内尚雄","BaSmFe2O5の電荷整列転移に及ぼす格子効果",,"日本物理学会講演概要集",,"Vol. 58","No. 2-3",,2003,
"湯藤幸男,杉原淳,山本昌弘,安川雪子,本橋輝樹,マーリット・カルピネン,山内尚雄","分子軌道法によるダブルペロブスカイト酸化物の電子構造の解明",,"日本物理学会講演概要集",,"Vol. 58","No. 2-3",,2003,
"山内尚雄,島田照之,本橋輝樹,M. Karppinen","Kinetic and thermodynamics of the degree of order at the Fe/Mo site in Sr2FeMoO6",,"Meeting Abstracts of the Physical Society of Japan",,"Vol. 58","No. 1-3","pp. 574",2003,
"野村朋哉,本橋輝樹,S. Lee,山内尚雄,M. Karppinen","(Bi1-xPbx)2Sr2Ca2Cu3O10+d単結晶の異方的超伝導特性",,"第64回応用物理学会学術講演会 講演予稿集",,"Vol. 1",,"pp. 191",2003,
"本橋輝樹,G. Peleckis,小野泰弘,宮崎譲,梶谷剛,M. Karppinen,山内尚雄","RbをドープしたNaxCoO2の高温熱電変換特性",,"第64回応用物理学会学術講演会 講演予稿集",,"Vol. 1",,"pp. 155",2003,
"M. カルピネン,野村朋哉,R.S. Liu,J.M. Chen,山内尚雄,M. カルピネン","Bi2Sr2(Y1-xCax)Cu2O8+dにおけるXANES分光および湿式化学分析法によるブロック層別ホール濃度の精密測定",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 260",2003,
"酒井佳,今野拓也,森田祐介,青山登代美,本橋輝樹,山内尚雄,M. カルピネン","ミスフィット層状コバルト酸化物 (III): Pb-Sr-Co-O層状酸化物の合成と評価",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 246",2003,
"今野拓也,酒井佳,森田祐介,本橋輝樹,山内尚雄,M. カルピネン","ミスフィット層状コバルト酸化物 (II): 酸素量を制御したCa-Co-O層状酸化物の物性",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 246",2003,
"森田祐介,今野拓也,酒井佳,本橋輝樹,藤井武則,寺崎一郎,山内尚雄,M. カルピネン","ミスフィット層状コバルト酸化物 (I): 酸素不定比性とコバルト原子価",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 246",2003,
"島田照之,山内尚雄,本橋輝樹,M. カルピネン","Bサイトオーダー型ダブルペロブスカイトSr2FeMoO6セラミックスにおける飽和磁化の焼成条件依存性",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 212",2003,
"広田雄佑,J. リンデン,本橋輝樹,山内尚雄,M. カルピネン","Bサイトオーダー型ダブルペロブスカイトSr2FeReO6の高品質試料の作製と評価",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 211",2003,
"清水雄介,八重樫信,本橋輝樹,山内尚雄,M. カルピネン","BaRECo2O5+d (RE = Nd, Eu, Ho and Y)における磁気及び磁気輸送特性の酸素不定比依存性とRE種依存性",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 211",2003,
"岡本裕司,中村仁,本橋輝樹,M. カルピネン,山内尚雄","Aサイトオーダー型ダブルペロブスカイトBaYMn2O5+dの新しい合成法と酸素定比性",,"第50回応用物理学関係連合講演会 講演予稿集",,"Vol. 1",,"pp. 211",2003,
"M. Putkonen,J. Niinisto,K. Kukli,T. Sajavaara,M. Karppinen,H. Yamauchi,L. Niinisto","ZrO2 thin films grown on silicon substrates by atomic layer deposition with Cp2Zr(CH3)2 and water as precursors",,"Chemical Vapor Deposition",,"Vol. 9",,"pp. 207-212",2003,
"Y. Moritomo,M. Hanawa,Y. Ohishi,K. Kato,J. Nakamura,M. Karppinen,H. Yamauchi","Physical pressure effect on the charge-ordering transition of BaSmFe2O5.0",,"Physical Review B",,"Vol. 68",,"pp. R60101-R60104",2003,
"Y. Morita,H. Yamauchi,M. Karppinen","Superconductivity in CoSr2(Y1-xCax)Cu2O7+d",,"Solid State Communications",,"Vol. 127",,"pp. 493-498",2003,
"M. Karppinen,S. Lee,J.M. Lee,J. Poulsen,T. Nomura,S. Tajima,J.M. Chen,R.S. Liu,H. Yamauchi","Hole Doping in Pb-free and Pb-substituted (Bi,Pb)2Sr2Ca2Cu3O10+d Superconductors",,"Physical Review B",,"Vol. 68",,"pp. 54502-54506",2003,
"J. Sugiyama,H. Itahara,J.H. Brewer,E.J. Ansaldo,T. Motohashi,M. Karppinen,H. Yamauchi","Static magnetic order in Na0.75CoO2 detected by muon spin rotation and relaxation",,"Physical Review B",,"Vol. 67",,"pp. 214420-214424",2003,
"V.P.S. Awana,E. Takayama-Muromachi,M. Karppinen,H. Yamauchi","Magneto-superconductivity of 100-atm O2-annealed RuSr2Gd1.5Ce0.5Cu2O10-d",,"Physica C",,"Vol. 390",,"pp. 233-238",2003,
"V.P.S. Awana,M. Karppinen,H. Yamauchi,M. Matvejeff,R.S. Liu,L.-Y. Jang","Oxygen Content and Valence of Ru in RuSr2(Gd0.75Ce0.25)2Cu2O10-d",,"Journal of Low Temperature Physics",,"Vol. 131",,"pp. 1211-1216",2003,
"H. Yamauchi,M. Karppinen","Relationship between Local Atomic Arrangements and Properties of High-Tc Superconductive Copper Oxides",,"Journal of Low Temperature Physics",,"Vol. 131",,"pp. 705-717",2003,
"Y. Morita,M. Karppinen,H. Yamauchi,R.S. Liu,J.M. Chen","XANES Study on the Evolution among Different Copper Species, CuI, CuII and CuIII, in CuBa2YCu2O6+z upon Oxygen Loading",,"Journal of Low Temperature Physics",,"Vol. 131",,"pp. 381-386",2003,
"V.P.S. Awana,E. Takayama-Muromachi,S.K. Malik,W.B. Yelon,M. Karppinen,H. Yamauchi,V.V. Krishnamurthy","Cation intermixing and ordering phenomenon in M-O layer of MSr2YCu2Oz (M-1212) compounds with M = Fe, Co, Al, and Ga: A neutron powder diffraction study",,"Journal of Applied Physics",,"Vol. 93",,"pp. 8221-8223",2003,
"M. Karppinen,K. Kotiranta,T. Nakane,S.C. Chang,J.M. Chen,R.S. Liu,H. Yamauchi","Layer-specific hole concentrations in Bi2Sr2(Y1-xCax)Cu2O8+d as probed by XANES spectroscopy and coulometric redox analysis",,"Physical Review B",,"Vol. 67",,"pp. 134522-134527",2003,
"M. Karppinen,V.P.S. Awana,Y. Morita,H. Yamauchi","Oxygen Stoichiometry in Co-1212, Co-1222 and Co-1232 of the Homologous Series Co-12s2 of Category-B Layered Copper Oxides",,"Physica C",,"Vol. 392-396",,"pp. 82-86",2003,
"T. Motohashi,R. Ueda,E. Naujalis,T. Tojo,I. Terasaki,T. Atake,M. Karppinen,H. Yamauchi","Unconventional electronic transition in NaxCoO2 with a precisely controlled Na nonstoichiometry",,"Physica B",,"Vol. 329-333",,"pp. 914-915",2003,
"T. Motohashi,R. Ueda,E. Naujalis,T. Tojo,I. Terasaki,T. Atake,M. Karppinen,H. Yamauchi","Unconventional magnetic transition and transport behavior in Na0.75CoO2",,"Physical Review B",,"Vol. 67",,"pp. 64406-64410",2003,
"C.A. Cardoso,F.M. Araujo-Moreira,V.P.S. Awana,E. Takayama-Muromachi,O.F. de Lima,H. Yamauchi,M. Karppinen","Spin glass behavior in RuSr2Gd1.5Ce0.5Cu2O10-d",,"Physical Review B",,"Vol. 67",,"pp. R20407-R20410",2003,
"R. Ueda,E. Naujalis,T. Tojo,I. Terasaki,T. Atake,M. Karppinen,H. Yamauchi,T. Motohashi,R. Ueda,E. Naujalis,T. Tojo,I. Terasaki,T. Atake,M. Karppinen,H. Yamauchi","Unconventional Magnetic Transition and Transport Behavior in Na0.75CoO2",,"Physical Review B",,"Vol. 67",,"pp. 064406 1-5",2003,
"V.P.S. Awana,M. Karppinen,H. Yamauchi","Comment on Magnetism and Superconductivity in Rutheno Cuprates: RuSr2GdCu2O8 and RuSr2Gd1.5Ce0.5Cu2O10",,"PRAMANA - Journal of Physics ",,"Vol. 58",,"pp. 809-815",2002,
"N. Kiryakov,S. Lee,M. Karppinen,H. Yamauchi","Growth of (Hg,Pb)(Ba,Sr)2Ca2Cu3O8+d Single Crystals",,"Superconductor Science and Technology",,"Vol. 15",,"pp. 54-59",2002,
"J. Nakamura,J. Linden,H. Yamauchi,M. Karppinen","Hole-Doping Effect on the Verwey-Type Transition and Magnetoresistivity of Ba(Sm,Ca)Fe2O5+δ",,"Solid State Communications",,"Vol. 121",,"pp. 269-274",2002,
"J. Johansson,J. Kostamo,M. Karppinen,L. Niinisto","Growth of Conductive Copper Sulfide Thin Films by Atomic Layer Deposition,",,"Journal of Materials Chemistry",,"Vol. 12",,"pp. 1022-1026",2002,
"V.P.S. Awana,S.K. Malik,W.B. Yelon,J. Linden,M. Karppinen,H. Yamauchi","Intermixing of Fe at Cu(1)-Chain and Cu(2)-Plane Sites in FeSr2YCu2O7.30 System: A Neutron Diffraction and Mossbauer Spectroscopic Study",,"Physica B",,"Vol. 312-313",,"pp. 62-64",2002,
"J. Linden,T. Yamamoto,H. Yamauchi,M. Karppinen","Influence of W/Ta Substitution at the Mo Site on the Fe Valence and Magnetoresistive Properties of Sr2FeMoO6",,"Physica B",,"Vol. 312-313",," 787-788",2002,
"V.P.S. Awana,S. Ichihara,J. Nakamura,M. Karppinen,H. Yamauchi,J. Yang,W.B. Yelon,W.J. James,S.K. Malik","Possible Ordering of Ru and Cu in the Charge-Reservoir of Magneto-Superconductor RuSr2GdCu2O8 (Ru-1212): Magnetic, Transport, and TEM Microstructural Studies",,"Journal of Applied Physics",,"Vol. 91",,"pp. 8501-8503",2002,
"M. Karppinen,M. Matvejeff,K. Salomaki,H. Yamauchi","Oxygen Content Analysis of Functional Perovskite-Derived Cobalt Oxides",,"Journal of Materials Chemistry",,"Vol. 12",,"pp. 1761-1764",2002,
"J. Linden,M. Kochi,K. Lehmus,T. Pietari,M. Karppinen,H. Yamauchi","Interplay between Cu and Fe Valences in BaR(Cu0.5Fe0.5)2O5+d Double Perovskite with R = Lu, Yb, Y, Eu, Sm, Nd and Pr",,"Journal of Solid State Chemistry",,"Vol. 166",,"pp. 118-127",2002,
"M. Karppinen,H. Yamauchi,T. Nakane,K. Fujinami,K. Lehmus,P. Nachimuthu,R.S. Liu,J.M. Chen","XANES Study on the Generation and Distribution of Holes via Ca Substitution and O Doping in Cu(Ba0.8Sr0.2)2(Yb1-xCax)Cu2O6+z",,"Journal of Solid State Chemistry",,"Vol. 166",,"pp. 229-236",2002,
"Y. Yasukawa,H. Yamauchi,M. Karppinen","Accurate Oxygen-Content Determination Method for Decreased Sample Amounts of Superconductive and Other Functional Oxides",,"Applied Physics Letters",,"Vol. 81",,"pp. 502-504",2002,
"M. Ushiki,T. Motohashi,H. Yamauchi,M. Karppinen","High-Pressure Synthesis of the Zero-Charge-Reservoir 0223 Superconductor in the Sr-Ca-Cu-O System",,"Physica C",,"Vol. 378-381",,"pp. 167-172",2002,
"V.P.S. Awana,S. Ichihara,M. Karppinen,H. Yamauchi","Comparison of Magneto-Superconductive Properties of RuSr2GdCu2O8-d and RuSr2Gd1.5Ce0.5Cu2O10-d ",,"Physica C ",,"Vol. 378-381",,"pp. 249-254",2002,
"V.P.S. Awana,S.K. Malik,W.B. Yelon,M. Karppinen,H. Yamauchi","Triple Perovskite CoSr2YCu2O7-d and Its Peculiar Structural Features: A Neutron Diffraction Study",,"Physica C ",,"Vol. 378-381",,,2002,
"M. Karppinen,T. Hosomi,H. Yamauchi","Redox State Analysis for Understanding the High-Tc Superconductivity in Highly Unstable Ba2Ca2Cu3O8-δ with Tc=124 K and Its Derivative Phase with Tc=78 K",,"Physica C",,"Vol. 382",,"pp. 276-282",2002,
"M. Karppinen,N. Kiryakov,Y. Yasukawa,T. Nakane,H. Yamauchi","Isovalent Cation Substitutions to Control the Intrinsic Hirr Characteristics of Superconductive Copper Oxides",,"Physica C",,"Vol. 382",,"pp. 66-71",2002,
"V.P.S. Awana,J. Nakamura,M. Karppinen,H. Yamauchi,S.K. Malik","Glass Component Induced Hysteresis/Memory Effect in Magnetoresistance of Pr0.9Sr0.1CoO2.99",,"Journal of Magnetism and Magnetic Materials",,,,,2002,
"J. Linden,T. Yamamoto,J. Nakamura,H. Yamauchi,M. Karppinen","Control of Fe valence and magnetoresistance by means of T = Ta and W substitution in Sr2Fe(Mo1-xTx)O6",,"Physical Review B",,"Vol. 66",,"pp. 184408-1-7",2002,
"M. Matevejeff,V.P.S. Awana,H. Yamauchi,M. Karppinen","Oxygen non-stoichiometry in Ru-1212 and Ru-1222 magnetosuperconductors",,"Program & Abstracts of 15th International Symposium on Superconductivity (Nov. 11-13, 2002, Yokohama, Japan)",,,,"pp. 171",2002,
"Y. Morita,V.P.S. Awana,H. Yamauchi,M. Karppinen","Oxygen stoichiometry in a homologous series of layered copper oxides of category-B type: Co-1212, Co-1222 and Co-1232 phases",,"Program & Abstracts of 15th International Symposium on Superconductivity (Nov. 11-13, 2002, Yokohama, Japan)",,,,"pp. 171",2002,
"M. Karppinen,N. Kiryakov,K. Yamawaki,S. Sasaki,H. Yamauchi","Hole Distribution and Superconductivity Characteristics in (Hg,Pb)(Ba,Sr)2Ca2Cu3O8+d",,"Conference Handbook of 2002 International Conference on Physics and Chemistry of Molecular and Oxide Superconductors (Aug. 13-18, 2002, Hsinchu, Taiwan, R.O.C)",,,,"pp. 95",2002,
"M. Karppinen,H. Yamauchi","Hole Distribution and Superconductivity Characteristics of Multi-layered Copper Oxides ",,"Abstracts of MRS 2002 Fall Meeting (Dec. 2-6, 2002, Boston, MA, USA)",,,,"pp. 416",2002,
"安川雪子,J. Linden,R.S. Liu,J.M. Chen,山内尚雄,M. Karppinen","Influence of isovalent A-site cation substitution on the iron valence in the B-site ordered double-perovskite (A,A')2FeMoO6 (A, A' = Ba, Sr, Ca)",,"日本物理学会講演概要集",,"Vol. 57","No. 2-3","pp. 500",2002,
"島田照之,本橋輝樹,山内尚雄,M. Karppinen","Control of the degree of order at B-cation site and the electromagnetic properties in double perovskite Sr2FeMoO6.0",,"日本物理学会講演概要集",,"Vol. 57","No. 1-3","pp. 576",2002,
"M. カルピネン(翻訳:山内尚雄,末松久幸)","セラミック工学ハンドブック[第2版]応用/第7編 電気・電子・磁性材料:第5章 5.2.2 溶液法",,"(社)日本セラミックス協会/技報堂出版","(社)日本セラミックス協会/技報堂出版",,,"pp. 985-987",2002,
"M. カルピネン,山内尚雄","セラミック工学ハンドブック[第2版]応用/第7編 電気・電子・磁性材料:第5章 5.1.2 超伝導酸化物の種類と分類",,"(社)日本セラミックス協会/技報堂出版","(社)日本セラミックス協会/技報堂出版",,,"pp. 977-980",2002,
"T. Motohashi,Y. Morita,M. Karppinen,H. Yamauchi","Growth of high-quality RE-123 single crystals using BaZrO3 crucibles",,"FSST News (Forum of Superconductivity Science and Technology News)",,"Vol. 92"," 2002-6-15","pp. 5-6",2002,
"M. Karppinen,H. Yamauchi","Session 3B New Materials - MgB2; Report on the 10th US-Japan Workshop",,"FSST News (Forum of Superconductivity Science and Technology News)",,,,"pp. 21-22",2002,
"T. Motohashi,M. Karppinen,H. Yamauchi","Sodium and Oxygen Nonstoichiometry, and Thermoelectric Properties of NaxCoO2+d",,"Oxide Thermoelectrics (Research Signpost, India)","Oxide Thermoelectrics (Research Signpost, India)",,,"pp. 73-81",2002,
"J. Lindén,M. Karppinen,T. Shimada,Y. Yasukawa,H. Yamauchi","Observation of Antiphase Boundaries in Sr2FeMoO6",,"Physical Review B",,,,,2002,
"M. Karppinen,K. Kotiranta,T. Nakane,S.C. Chang,J.M. Chen,R.S. Liu,H. Yamauchi","Layer-Specific Hole Concentrations in Bi2Sr2(Y1-xCax)Cu2O8+δ as Probed by XANES Spectroscopy and Coulometric Redox Analysis",,"Physical Review B",,,,,2002,
"M. Karppinen,H. Yamauchi,Y. Morita,M. Kitabatake,T. Motohashi,R. S. Liu,J.M. Chen","Hole-Concentration Variation in Three-CuO2-Plane Copper-Oxide Superconductor Cu-1223 as Established by Cu L-edge and O K-edge XANES Spectroscopy",,"Physical Review B",,,,,2002,
"T. Motohashi,R. Ueda,E. Naujalis,T. Tojo,I. Terasaki,T. Atake,M. Karppinen,H. Yamauchi","Unconventional Magnetic Transition and Transport Behavior in Na0.75CoO2",,"Physical Review B",,,,,2002,
"K. Lehmus,M. Karppinen","Application of Multivariate Data Analysis Techniques in Modeling Structure-Property Relationships of Some Superconductive Cuprates",,"Journal of Solid State Chemistry ",,"Vol. 162",,"pp. 1-9",2001,
"V.P.S. Awana,J. Nakamura,M. Karppinen,H. Yamauchi,S.K. Malik,W.B. Yelon","Synthesis and Magnetism of Pr-based Rutheno-cuprate Compound RuSr2PrCu2O8-δ",,"Physica C",,"Vol. 357-360",,"pp. 121-125",2001,
"T. Nakane,M. Karppinen,H. Yamauchi","Magnetic-field Irreversibility in Superconductive Cu-m212 (m = 1, 2)",,"Physica C",,"Vol. 357-360",,"pp. 226-229",2001,
"N. Kiryakov,S. Lee,M. Karppinen,H. Yamauchi,K. Yamawaki,S. Sasaki","Single Crystals of (Hg,Pb)(Ba,Sr)2Ca2Cu3O8+δ Grown by an Improved Encapsulation Technique",,"Physica C",,"Vol. 357-360",,"pp. 350-353",2001,
"Y. Yasukawa,T. Nakane,M. Karppinen,H. Yamauchi","Rare-earth-ion-size Control on Magnetic Irreversibility Field in CuBa2RECu2O7-δ",,"Physica C",,"Vol. 357-360",,"pp. 230-233",2001,
"V.P.S. AWANA,J. NAKAMURA,J. LIND■EN,M. KARPPINEN,H. YAMAUCHI","Magnetoresistance Peak in the Vicinity of the Charge Disproportionation / Ordering Transition in the R1/3Sr2/3FeO3-δ (R = La,Pr) Perovskite",,"Solid State Communications",,"Vol. 119",,"pp. 159-162",2001,
"山内尚雄,マーリット カルピネン、 本橋輝樹","アイソバレント元素置換法による高磁場用高温超伝導体開発",,"COEプロジェクト研究成果報告書-平成12年度、ダイナミック構造デザインによる材料機能の高集積開発、東京工業大学応用セラミックス研究所",,,,"pp. 179-182",2001,
"V.P.S. Awana,M. Karppinen,H. Yamauchi,S.K. Malik,W.B. Yelon,A. Mehta,A.V. Narlikar","Magnetization and Heat Capacity of R1/3Sr2/3FeO3-d (R = La and Pr); ",," IEEE Transactions on Magnetics ",,"Vol. 37",,"pp. 2163-2165",2001,
"M. Karppinen,M. Kotiranta,H. Yamauchi,P. Nachimuthu,R.-S. Liu,J.M. Chen","O K-edge and Cu L23-edge XANES Study on the Concentration and Distribution of Holes in the (Pb2/3Cu1/3)3Sr2(Y,Ca)Cu2O8+z Superconductive Phase",,"Physical Review B",,"Vol. 63","No. 18","pp. 184507-1ー184507-6",2001,
"J. LIND■EN,T. YAMAMOTO,J. NAKAMURA,M. KARPPINEN,H. YAMAUCHI","Co-Existence of Intrinsic and Extrinsic Magnetoresistance in the Double-Perovskite Sr2Fe (Mo1-xWx) O6-w System",,"Applied Physics Letters",,"Vol. 78","No. 18","pp. 2736-2738",2001,
"T. NAKANE,M. KARPPINEN,H. YAMAUCHI","Superconductivity Irreversibility-Field Characteristics of Layered Copper Oxides: Roles of the Two Different Blocks",,"Kagaku",,"Vol. 53","No. 4","pp. 62-63",2001,
"T. MOTOHASHI,E. NAUJALIS,R. UEDA,K. ISAWA,M. KARPPINEN,H. YAMAUCHI","Simultaneously Enhanced Thermoelectric and Reduced Resistivity of NaxCo2O4 by Controlling Na Non-Stoichiometry",,"Applied Physics Letters",,"Vol. 79","No. 10","pp. 1480-1482",2001,
"Y. YASUKAWA,T. NAKANE. H. YAMAUCHI,M. KARPPINEN","Consequence of Isovalent RE Substitution to Magnetic Irreversibility In Cation-Stoichiometric CuBa2RECu2O6.93±0.01",,"Applied Physics Letters",,"Vol. 78","No. 19","pp. 2917-2919",2001,
"K. Lehmus,M. Karppinen,M. Matvejeff,J. Lindén,T. Pietari,H. Yamauchi","Oxygen Stoichiometry in the (Ba0.5La0.5)(Fe1-xCux)O3-w (x = 0-1) Perovskite System, ",,"International Journal of Inorganic Materials ",,"Vol. 3",,"pp. 803-808",2001,
"M. Karppinen,H. Yamauchi","Oxygen Engineering for Functional Oxide Materials, In: International Book Series: Studies of High Temperature Superconductors",,"Nova Science Publishers, New York","Nova Science Publishers, New York",,,"pp. 109-143",2001,
"T. Nakane,M. Karppinen,H. Yamauchi","Magnetic-Field Irreversibility in Superconductive Cu2Ba2(Y,Ca)Cu2O8±δPhase with Cu2O2 Double-Chain Charge Reservoir",,"Supercond. Sci. Technol.",,"Vol. 13",,"pp. 1436-1440",2000,
"M. Karppinen ","Materials Chemistry of Superconductive Copper Oxides",,"Elsevier Science, Oxford ","Elsevier Science, Oxford ",,,,2000,
"H. Yamauchi,M. Karppinen","Application of High-pressure Techniques: Stabilization and Oxidation-state Control of Novel Superconductive and Related Multi-layered Copper Oxides",,"Supercond. Sci. Technol",,"Vol. 13",,"pp. R33-R52",2000,
"H. Yamauchi,M. Karppinen","Impacts of the Zero Series of Homologous Series, 01(n-1)n and 02(n-1)n",,"Physica C ",,"Vol. 335",,"pp. 273-278",2000,
"M. Karppinen,H. Yamauchi","Hole-doping Routes for Understanding the Relationship between Atomic Arrangements and Superconductivity Properties in Multi-layered Copper Oxides",,"Journal of Inorganic Materials",,"Vol. 2",,"pp. 589-599",2000,
"M. Karppinen,H. Yamauchi,T. Nakane,M. Kotiranta","Oxygen Non-stoichiometry and Hole Distribution in Multi-layered Copper Oxides: Understanding of the Magnetic-irreversibility Characteristics",,"Physica C ",,"Vol. 338",,"pp. 18-24",2000,
"T. Nakane,Y. Yasukawa,E.S. Otabe,T. Matsushita,M. Karppinen,H. Yamauchi","Effects of Sr Substitution on the Magnetic-field Irreversibility in Superconductive Cu(Ba1-ySry)2YbCu2O6+z",,"Physica C",,"Vol. 338",,"pp. 25-28",2000,
"H. Yamauchi,M. Karppinen,T. Hosomi,H. Fjellvag","Water-containing Phases Derived from 02(n-1)n Superconductors. I. Novel 02(n-1)n Homologous Series in the Ba-Ca-Cu-O System and the Derivative Series",,"Physica C",,"Vol. 338",,"pp. 38-45",2000,
"H. Yamauchi,M. Karppinen,T. Hosomi,H. Suematsu","Water-containing Phases Derived from 02(n-1)n Superconductors. II. Derivative of the Sr2Ca2Cu3O8±δ (0^(Sr)^223) Phase",,"Physica C",,"Vol. 338",,"pp. 46-51",2000,
"J. Nakamura,J. Linden,H. Suematsu,M. Karppinen,H. Yamauch","Iron Mixed-valent Compounds, BaSm(Cu0.5+xFe0.5-x)2O5+δ. I :Synthesis and Chemical Characterization",,"Physica C",,"Vol. 338",,"pp. 121-125",2000,
"M. Kochi,J. Linden,T. Taniyama,K. Lehmus,M. Karppinen,H. Yamauchi","Magnetic Properties, Oxygen Content and Metal Valences in BaRE(Cu0.5Fe0.5)2O5+δ withRE = Lu, Yb, Y, Eu, Sm, Nd and Pr",,"Physica C",,"Vol. 338",,"pp. 132-136",2000,
"K. Lehmus,M. Kochi,M. Karppinen,H. Yamauchi,L. Niinisto","Variation of Oxygen Stoichiometry in BaRE(Cu0.5Fe0.5)2O5+δ Double Perovskites upon Heat Treatments under Ambient and High Pressure",,"Int. J. Inorg. Mater.",,"Vol. 2",,"pp. 203-208",2000,
"J. Linden,T. Yamamoto,M. Karppinen,H. Yamauchi,T. Pietari","Evidence for Valence Fluctuation of Fe in Sr2FeMoO6-w Double Perovskite",,"Appl. Phys. Lett.",,"Vol. 76",,"pp. 2925-2927",2000,
"H. Suematsu,T. Ito,T. Katsura,M. Karppinen,H. Yamauchi","Peak Effect in Critical Current Density Induced by Oxygen Deficiency in the CuBa2Ca3Cu4O10+δ Superconductor",,"Supercond. Sci. Technol.",,"Vol. 13",,"pp. 930-934",2000,
"J. Nakamura,J. Linden,M. Karppinen,H. Yamauchi","Magnetoresistance Effect in the Fluctuating-valence BaSmFe2O5+w System",,"Appl. Phys. Lett.",,"Vol. 77",,"pp. 1683-1685",2000,
"T. Nakane,M. Karppinen,H. Yamauchi","Synthesis of Superconductive Cu2Ba2(Y,Ca)Cu2O8±δ Phase by Novel Encapsulation Technique",,"Supercond. Sci. Technol.",,"Vol. 13",,"pp. 1382-1386",2000,
"T. Yamamoto,J. Liimatainen,J. Linden,M. Karppinen,H. Yamauchi","Novel Methods of Synthesis and Wet-chemical Redox Analysis for Double-perovskite Sr2FeMoO6-w",,"J. Mater. Chem.",,"Vol. 10",,"pp. 2342-2345",2000,
"J. Linden,M. Kochi,K. Lehmus,T. Pietari,M. Karppinen,H. Yamauchi","Layered (Cu,Fe) Oxides of Double Perovskite Structure. III: Interplay between Cu and Fe Valences in BaR(Cu0.5Fe0.5)2O5+δ with R = Lu, Yb, Y, Eu, Sm, Nd and Pr",,"Phys. Rev. B",,,,,2000,
"N. Kiryakov,S. Lee,M. Karppinen,H. Yamauchi","Growth of (Hg,Pb)(Ba,Sr)2Ca2Cu3O8+δ Single Crystals",,"J. Mater. Chem.",,,,,2000,
"J. Linden,J. Nakamura,P. Karen,A. Kjekshus,M. Karppinen,H. Yamauchi","Observation of Mixed-valence State in the BaSm(Cu1-xFex)2O5+δ",,"Advances in Superconductivity XII, T. Yamashita and K. Tanabe (Eds.), Springer, Tokyo","Advances in Superconductivity XII, T. Yamashita and K. Tanabe (Eds.), Springer, Tokyo",,,"pp. 95-97",2000,
"H. Yamauchi,M. Karppinen,J. Linden","Chemical Control of Metal Valences and Magnetic Properties Various A- or B-Site Ordered Iron-oxide Double Perovskites",,"Proceedings of 8th International Conference on Ferrites, Kyoto, Japan","Proceedings of 8th International Conference on Ferrites, Kyoto, Japan",,,,2000,
"H. Yamauchi,M. Karppinen","Realization of the Highest Magnetic Irreversibility Characteristics in High Tc Superconductors by means of Multi-site Simultaneous Doping Method",,"COE Research Project Report-1999 (Materials and Structures Laboratory, Tokyo Institute of Technology), Yokohama",,,,"pp. 154-162",2000,
"H. Yamauchi,M. Karppinen","Proceedings of the International Discussion Meeting on Chemistry Approaches to High-Tc Superconductive Materials / 5th International Workshop on Chemical Designing and Processing of High-Tc Superconductors (Chem-HTSC V)",,"Physica C",,"Vol. 338",,"pp. 176",2000,
"H. YAMAUCHI,M. KARPPINEN","Realization of the Highest Magnetic Irreversibility Characteristics in High Tc Superconductors by means of Multi-Site Simultaneous Doping Method",,"COE Research Project Report-1999, (Materials and Structures Laboratory, Tokyo Institute of Technology",,,,"pp. 154-162",2000,
"J. LINDÉN,J. NAKAMURA,T. PIETARI,T. TANIYAMA,M. KARPPINEN,H. YAMAUCHI","Iron Mixed-valence Compounds, BaSm(Cu0.5+xFe0.5-x)2O5+d. II: The Fe2.5+ State and Magnetic Properties",,"Physica C",,"Vol. 338",,"pp. 126-131",2000,
"M. Karppinen,H. Yamauchi,T. Hosomi,H. Suematsu,H. Fjellvag","Superconducting Cuprates with Charge Reservoir Consisting of Either Peroxide-type Oxygen or H2O",,"J. Low Temp. Phys.",,"Vol. 117",,"pp. 843-847",1999,
"K. Peitola,M. Kochi,M. Karppinen,H. Yamauchi,L. Niinisto,J. Linden","Oxygen Stoichiometry in BaRE(Cu0.5Fe0.5)2O5+δ Compounds with Perovskite or Double Perovskite Structure",,"J. Low Temp. Phys.",,"Vol. 117",,"pp. 861-865",1999,
"H. Suematsu,M. Kawano,T. Onda,T. Akao,M. Hayakawa,H. Ogiwara,M. Karppinen,H. Yamauchi","Peak Effect in Critical Current Density Induced by Oxygen Non-stoichiometry in Cation-stoichiometric SmBa2Cu3O7-δ Superconductor",,"Physica C",,"Vol. 324",,"pp. 161-171",1999,
"T. Matsushita,E.S. Otabe,T. Nakane,M. Karppinen,H. Yamauchi","Evaluation of Irreversible Property in Superconducting Cu(Ba0.8Sr0.2)2YbCu2O6+z Powder",,"Physica C",,"Vol. 322",,"pp. 100-104",1999,
"J. Linden,P. Karen,A. Kjekshus,J. Miettinen,M. Karppinen","Partial Oxygen Ordering in Cubic Perovskite REBa2Fe3O8+w (RE = Gd, Eu, Sm, Nd)",,"J. Solid State Chem.",,"Vol. 144",,"pp. 348-404",1999,
"K. Peitola,K. Fujinami,M. Karppinen,H. Yamauchi,L. Niinisto","Stoichiometry and Copper Valence in the Ba1-yCuO2+δ System",,"J. Mater. Chem.",,"Vol. 9",,"pp. 465-469",1999,
"T. Nakane,K. Fujinami,M. Karppinen,H. Yamauchi","Magnetic-field Irreversibility of Cu(Ba0.8Sr0.2)2(Yb1-xCax)Cu2O6+z with Controlled Distribution of Holes",,"Supercond. Sci. Technol.",,"Vol. 12",,"pp. 242-247",1999,
"T. Hosomi,H. Suematsu,H. Fjellvag,M. Karppinen,H. Yamauchi","Identification of Superconducting Phases in the Ba-Ca-Cu-O System: an Unstable Phase with Tc = 126 K and its Derivative Phase with Tc = 90 K",,"J. Mater. Chem.",,"Vol. 9",,"pp. 1141-1148",1999,
"T. Nakane,K. Fujinami,M. Karppinen,H. Yamauchi","Magnetic-field Irreversibility and Hole Distribution in Cu(Ba0.8Sr0.2)2(Yb1-xCax)Cu2O6+z",,"Advances in Superconductivity XI, N. Koshizuka and S. Tajima (Eds.), Springer, Tokyo","Advances in Superconductivity XI, N. Koshizuka and S. Tajima (Eds.), Springer, Tokyo",,,"pp. 427-430",1999,
"H. Suematsu,M. Nagase,Y. Tomokiyo,M. Karppinen,H. Yamauchi","Application of Convergent-beam-electron-diffraction Technique to Determine Novel Cuprate Structures",,"Advances in Superconductivity XI, N. Koshizuka and S. Tajima (Eds.), Springer, Tokyo ","Advances in Superconductivity XI, N. Koshizuka and S. Tajima (Eds.), Springer, Tokyo ",,,"pp. 389-392",1999,
"T. Hosomi,H. Suematsu,H. Fjellvag,Y. Matsui,Y. Tomokiyo,M. Karppinen,H. Yamauchi","Investigation of an Unstable Tc = 126 K Phase and its Derivative Phase in the Ba-Ca-Cu-O System",,"Advances in Superconductivity XI, N. Koshizuka and S. Tajima (Eds.), Springer, Tokyo","Advances in Superconductivity XI, N. Koshizuka and S. Tajima (Eds.), Springer, Tokyo",,,"pp. 367-370",1999,
"M. Karppinen,H. Yamauchi","Control of the Charge Inhomogeneity and High-Tc Superconducting Properties in Homologous Series of Multi-layered Copper Oxides",,"Mater. Sci. Eng",,"Vol. R 26",,"pp. 51-96",1999,
"M. Karppinen,H. Yamauchi","The Doping Routes and Distribution of Holes in Layered Cuprates: A Novel Bond-valence Approach",,"Philos. Mag. B ",,"Vol. 79",,"pp. 343-366",1999,
"M. Karppinen,H. Yamauchi,K. Fujinami,K. Peitola,T. Nakane,H. Rundlof,R. Tellgren","Ca-Substitution and O-Doping Effects in Superconducting Cu(Ba0.8Sr0.2)2(Yb1-xCax)Cu2O6+δ Obtained from Neutron Diffraction Refinements",,"Phys. Rev. B",,"Vol. 60",,"pp. 4378-4385",1999,
"K. Peitola,M. Karppinen,H. Rundlof,R. Tellgren,H. Yamauchi,L. Niinisto","Structural Changes Related to Changes in Oxygen Stoichiometry in the Ba1-yCuO2+δ(CO2)x System as Determined by Powder X-ray and Neutron Diffraction",,"J. Mater. Chem.",,"Vol. 9",,"pp. 2599-2603",1999,
"J. Linden,P. Karen,A. Kjekshus,J. Miettinen,T. Pietari,M. Karppinen","Valence-state Mixing and Separation in SmBaFe2O5+w",,"Phys. Rev. B.",,"Vol. 60",,"pp. 15251-15260",1999,
"J. Linden,K. Isawa,J. Miettinen,M. Karppinen,H. Yamauchi","^151^Eu Mossbauer Study of the CuEuO2+δ Delafossite",,"Physica B",,"Vol. 271",,"pp. 223-229",1999,
"T. Hosomi,H. Suematsu,M. Karppinen,H. Yamauchi","Magnetic Irreversibility Characteristics of Highly Unstable Superconducting Ba2Ca2Cu3Oy and Its Derivative Phase",,"Physica C",,"Vol. 324",,"pp. 65-70",1999,
"H. Yamauchi,M. Karppinen","Control of Carrier Distribution for Tailoring Superconducting Properties of Layered Cuprates",,"J. Low Temp. Phys. ",,"Vol. 117",,"pp. 813-822",1999,
"M. Kotiranta,T. Nakane,M. Karppinen,H. Yamauchi,L. Niinisto","Control of Hole Distribution and Superconducting Properties in Bi2Sr2(Ca1-xYx)Cu2O8+δ",,"J. Low Temp. Phys.",,"Vol. 117",," 837-841",1999,
"M. Karppinen,H. Yamauchi,K. Fujinami,T. Ito,H. Suematsu,H. Sakata,K. Matsuura","Synthesis and Characterization of Strongly Overdoped HgBa2Ca2Cu3O8+δ Samples",,"Advances in Superconductivity X, K. Osamura and I. Hirabayashi (Eds.), Springer, Tokyo","Advances in Superconductivity X, K. Osamura and I. Hirabayashi (Eds.), Springer, Tokyo",,,"pp. 319-322",1998,
"H. YAMAUCHI,M. KARPPINEN,K. FUJINAMI,T. ITO,T. AKAO,S. R. LEE,H. SUEMATSU","The Over-Doped State in the M-1223 (M=Hg,Cu) Superconducting Cuprates",,"Book of Abstracts of the 5th International Workshop 'High-Temperature Superconductors and Novel Inorganic Materials Engineering (MSU - HTSC V)",,,,"pp. OR-34",1998,
"K. Fujinami,T. Nakane,K. Peitola,R. Tellgren,M. Karppinen,H. Yamauchi","Hole Doping Mechanism and Structural Changes in Cu(Ba0.8Sr0.2)2(Yb1-xCax)Cu2O6+z",,"Advances in Superconductivity X, K. Osamura and I. Hirabayashi (Eds.), Springer, Tokyo","Advances in Superconductivity X, K. Osamura and I. Hirabayashi (Eds.), Springer, Tokyo",,,"pp. 323-326",1998,
"M. KARPPINEN,H. YAMAUCHI,K. FUJINAMI,T. NAKANE,K. PEITOLA,L. NIINISTO,H. RUNDLOF,R. TELLGREN,J. M. CHEN,R. S. LIU","Hole Doping Mechanism in HTSC: Neutron Diffraction and XANES Study on the Hole Generation and Distribution in the Cu(Ba,Sr)2(Yb1-xCax)Cu2O6+z System",,"Book of Abstracts of the 5th International Workshop 'High-Temperature Superconductors and Novel Inorganic Materials Engineering (MSU - HTSC V)'",,,,"pp. W-13",1998,
"M. Nagase,J. Linden,H. Suematsu,M. Karppinen,H. Yamauchi","Layered (Cu,Fe) Oxides of Double Perovskite Structure. II: Extension of Solid-solubility of Copper in (Ba,La)Y(Cu0.5+xFe0.5-x)2O5+δ via High-pressure Heat Treatment",,"Phys. Rev. B",,"Vol. 59",,"pp. 1377-1382",1998,
"M. Nagase,J. Linden,J. Miettinen,M. Karppinen,H. Yamauchi","Layered (Cu,Fe) Oxides of Double Perovskite Structure: Correlation between Structural and Magnetic-property Changes in BaY(Cu0.5Fe0.5)2O5+δ upon High-pressure Heat Treatment",,"Phys. Rev. B",,"Vol. 58",,"pp. 3371-3376",1998,
"T. Ito,H. Suematsu,M. Karppinen,H. Yamauchi","Oxygen Content in High-pressure Synthesized CuBa2Ca2Cu3O8+δ (Cu-1234) Superconductor",,"Physica C",,"Vol. 308",,"pp. 198-202",1998,
"T. Ito,H. Suematsu,K. Isawa,M. Karppinen,H. Yamauchi","Optimization of the Synthesis and Tuning the Oxygen Content of the CuBa2Ca2Cu3O8+δ(Cu-1223:P) Superconductor",,"Physica C",,"Vol. 308",,"pp. 9-15",1998,
"K. Fujinami,H. Suematsu,M. Karppinen,H. Yamauchi","Effect of Overdoping on the Irreversibility Field and Critical Current Density of the HgBa2Ca2Cu3O8+z Superconductor",,"Physica C",,"Vol. 307",,"pp. 202-208",1998,
"H. Yamauchi,M. Karppinen,K. Fujinami,T. Ito,H. Suematsu,H. Sakata,K. Matsuura,K. Isawa","Strongly Overdoped States and Irreversibility-field Characteristics of the M-1223 [M = Hg, (Cu,C)] Superconducting Cuprates",,"Supercond. Sci. Technol.",,"Vol. 11",,"pp. 1006-1010",1998,
"J. Linden,A. Kjekshus,P. Karen,J. Miettinen,M. Karppinen","A 57Fe Mossbauer Study of REBa2Fe3O8+w Triple Perovskites with Varied Oxygen Content (RE = Dy, Er and Y)",,"J. Solid State Chem.",,"Vol. 139",,"pp. 168-175",1998,
"J. Linden,M. Lippmaa,P. Karen,A. Kjekshus,M. Karppinen","A 57Fe Mossbauer Study of the Cubic Perovskite-type Phase LaBa2Fe3O8+w, (-0.20 < w < 0.83)",,"J. Solid State Chem.",,"Vol. 138",,"pp. 87-97",1998,
"K. Fujinami,M. Karppinen,H. Yamauchi","Investigation of Different Hole-doping Routes in Cu(Ba,Sr)2(Yb1-xCax)Cu2O6+z",,"Physica C",,"Vol. 300",,"pp. 17-25",1998,
"M. Kawano,K. Fujinami,H. Suematsu,T. Onda,M. Hayakawa,M. Karppinen,H. Ogiwara andH. Yamauchi","Peak Effect of Critical Current Density in Stoichiometric SmBa2Cu3Oy Sample",,"Mater. Sci. Eng. B",,"Vol. 54",,"pp. 123-127",1998,
"H. Suematsu,T. Ito,H. Sakata,K. Kurashima,Y. Bando,M. Karppinen,H. Yamauchi","Simultaneous EDS and EELS Studies on Carbon in CuBa2Ca3Cu4Ox Superconductor",,"Mater. Sci. Eng. B",,"Vol. 54",,"pp. 117-122",1998,
"T. Ito,H. Suematsu,H. Sakata,O. Fukunaga,M. Karppinen,H. Yamauchi","High-pressure Synthesis of CuBa2Can-1CunOx (n = 3, 4) Superconductors without External Oxidizing Agents",,"Mater. Sci. Eng. B",,"Vol. 54",,"pp. 112-116",1998,
"K. Fujinami,H. Suematsu,M. Karppinen,H. Yamauchi","Ca Doping Effect on Superconductivity in (Yb1-xCax)(Ba0.8Sr0.2)2Cu3O6+z",,"Mater. Sci. Eng. B",,"Vol. 54",,"pp. 108-111",1998,
"H. Yamauchi,M. Karppinen","Hole-doping of the CuO2 Planes in High-Tc Superconductors",,"Mater. Sci. Eng. B",,"Vol. 54",,"pp. 92-97",1998,
"H. Yamauchi,M. Karppinen","Net Holes and Superconductivity in the Members with n> 3 of Homologous Series,Tl-and Hg-m2(n-1)n",,"J. Supercond.",,"Vol. 11",,"pp. 43-46",1998,
"M. Karppinen,H. Yamauchi","Metal Valences and Hole-doping Routes in Tl- and Hg-based Superconducting Cuprates",,"J. Supercond.",,"Vol. 11",,"pp. 39-42",1998,
"M. Karppinen,H. Yamauchi","Hole Doping and Magnetic Irreversibility in the Cu-12(n-1)n:P Series of Layered Superconducting Cuprates",,"International Workshop on Chemical Designing and Processing of High-Tc Superconductors IV (Chem - HTSC IV), Nov. 12-13, 1998, Tokyo Institute of Technology, Yokohama, Japan, Extended Abstracts",,,,"pp. 5-8",1998,
"T. Hosomi,H. Suematsu,H. Fjellvag,M. Karppinen,H. Yamauchi","Unstable Superconducting Phases in the Ba-Ca-Cu-O System",,"International Workshop on Chemical Designing and Processing of High-Tc Superconductors IV (Chem - HTSC IV), Nov. 12-13, 1998, Tokyo Institute of Technology, Yokohama, Japan, Extended Abstracts",,,,"pp. 51-54",1998,
"M. Karppinen,L. Niinisto,H. Yamauchi","Studies on the Oxygen Stoichiometry in Superconducting Cuprates by Thermoanalytical Methods",,"J. Therm. Anal. ",,"Vol. 48",,"pp. 1123-1141",1997,
"H. YAMAUCHI,M. KARPPINEN","Superconducting Cuprate Materials: Structures, Carrier Doping and Synthesis",,"The 2nd Seminar of Superconductivity and Cryogenics for Young Researchers; Organized by North Branch of Cryogenic Association of Japan",,,,"pp. 23-41",1997,
"H. Yamauchi,M. Karppinen","Homologous Series of Layered Cuprates and Superconductivity",,"Advances in Superconductivity, R. Pinto, S.K. Malik, A.K. Grover and P. Ayyub (Eds.), New Age International, New Delhi ","Advances in Superconductivity, R. Pinto, S.K. Malik, A.K. Grover and P. Ayyub (Eds.), New Age International, New Delhi ",,,"pp. 46-52",1997,
"M. Karppinen,H. Yamauchi,L. Niinisto","Studies on the Oxygen Stoichiometry and Copper Valency in Superconducting Cuprates by Means of Chemical Analysis",," Advances in Superconductivity, R. Pinto, S.K. Malik, A.K. Grover and P. Ayyub (Eds.), New Age International, New Delhi"," Advances in Superconductivity, R. Pinto, S.K. Malik, A.K. Grover and P. Ayyub (Eds.), New Age International, New Delhi",,,"pp. 1-9",1997,
"K. Isawa,Y. Yaegashi,M. Komatsu,M. Nagano,S. Sudo,M. Karppinen,H. Yamauchi","Synthesis and Electrical Conductivity ofCuO2+δ ( = Y, La, Pr, Nd, Sm and Eu) Delafossite",,"Advances in Superconductivity IX, S. Nakajima and M. Murakami (Eds.), Springer-Verlag","Advances in Superconductivity IX, S. Nakajima and M. Murakami (Eds.), Springer-Verlag",,,"pp. 423-426",1997,
"H. Yamauchi,M. Karppinen","Hole Doping Routes and Confined Net Holes in Superconducting Cuprates",,"Advances in Superconductivity IX, S. Nakajima and M. Murakami (Eds.), Springer-Verlag","Advances in Superconductivity IX, S. Nakajima and M. Murakami (Eds.), Springer-Verlag",,,"pp. 381-386",1997,
"M. Karppinen,H. Yamauchi,L. Niinisto","Oxygen Stoichiometry and Copper Valency in Superconducting Cuprates Studied by Chemical Methods",,"Advances in Superconductivity IX, S. Nakajima and M. Murakami (Eds.), Springer-Verlag","Advances in Superconductivity IX, S. Nakajima and M. Murakami (Eds.), Springer-Verlag",,,"pp. 371-376",1997,
"M. Kawano,H. Suematsu,T. Onda,M. Hayakawa,H. Ogiwara,M. Karppinen and","Peak Effect in c> of the Cation-stoichiometric SmBa2Cu3Oy Superconductor",,"Appl. Supercond.",,"Vol. 5",,"pp. 119-125",1997,
"T. Karlemo,M. Karppinen,L. Niinisto,J. Linden,M. Lippmaa","Annealing Characteristics and Calcium Doping Effects in the Superconducting",,"Physica C ",,"Vol. 292",,"pp. 225-232",1997,
"K. Fujinami,T. Ito,H. Suematsu,K. Matsuura,M. Karppinen,H. Yamauchi","Establishment of Strongly Overdoped States in the Hg-1223 Superconductor",,"Phys. Rev.B",,"Vol. 56",,"pp. 14790-14796",1997,
"K. Isawa,Y. Yaegashi,M. Komatsu,M. Nagano,S. Sudo,M. Karppinen,H. Yamauchi","Synthesis of Delafossite-derived Phases, CuO2+δ with = Y, La, Nd, Sm and Eu, and Observation of Spin-gap-like Behavior",,"Phys. Rev.B",,"Vol. 56",,"pp. 3457-3466",1997,
"M. Karppinen,H. Yamauchi,H. Suematsu,K. Isawa,M. Nagano,R. Itti,O. Fukunaga","Control on the Copper Valence and Properties by Oxygen Content Adjustment inthe LaCuO3-y System (0 < y < 0.5)",,"J. Solid State Chem.",,"Vol. 130",,"pp. 213-222",1997,
"H. Yamauchi,M. Karppinen","Structural Classification of Superconducting Cuprates",,"Superlatt. Microstructr.",,"Vol. 21A",,"pp. 128-152",1997,
"M. Karppinen,H. Yamauchi,H. Suematsu,O. Fukunaga","Synthesis and Characterization of LaCuO3-y Phases with Various Oxygen Contents",,"Superlatt. Microstructr.",,"Vol. 21A",,"pp. 41-54",1997,
"H. Yamauchi,M. Karppinen","Review on International Symposium on Superconductivity 1996 (ISS'96): Chemistry Session",,"ISTEC Journal",,"Vol. 10","No. 1","pp. 5-6",1997,
"H. Yamauchi,M. Karppinen","Superconducting Materials",,"Textbook of Introductory Lectures on Electronic Ceramics, The Ceramics Society of Japan, Tokyo",,,,"pp. 181-198",1997,
"M. Karppinen,A. Fukuoka,L. Niinisto,H. Yamauchi","Determination of Oxygen Content and Metal Valences in Oxide Superconductors by Chemical Methods",,"Supercond. Sci. Technol.",,"Vol. 9",,"pp. 121-135",1996,
"H. Yamauchi,M. Karppinen,T. Ito,H. Suematsu,O. Fukunaga","Oxygen Stability and Thermal Decomposition of Superconducting (Cu,C)Ba2Ca3Cu4Oz Samples",,"Physica C",,"Vol. 266",,"pp. 345-352",1996,
"M. Karppinen,H. Yamauchi,H. Suematsu,O. Fukunaga","Synthesis of Various LaCuO3-y Phases by a High-pressure Technique and Subsequent Post-annealing Treatments",,"Physica C",,"Vol. 264",,"pp. 268-274",1996,
"M. Karppinen,H. Yamauchi,T. Ito,H. Suematsu,O. Fukunaga","High-pressure Synthesis and Thermal Decomposition of LaCuO3",,"Mater. Sci. Eng. B",,"Vol. 41",,"pp. 59-62",1996,
"H. Yamauchi,M. Karppinen,S. Tanaka","Homologous Series of Layered Cuprates",,"Physica C ",,"Vol. 263",,"pp. 146-150",1996,
"J. Linden,M. Lippmaa,T. Karlemo,M. Karppinen,L. Niinisto","Investigations of the Pb2Sr2Y1-xEuxCu3O8+d System by ^151^Eu Mossbauer Resonance and X-ray Diffraction",,"Supercond. Sci. Technol.",,"Vol. 9",,"pp. 399-404",1996,
"M. Karppinen,H. Yamauchi,L. Niinisto","Various Thermogravimetric Approaches to Oxygen Stoichiometry in Superconducting and Related Cuprates",,"15th Nordic Symposium for Thermal Analysis and Calorimetry, Nov. 13-15, 1996, Helsinki, Finland, Extended Abstracts ",,,,"pp. 4",1996,
"M. Karppinen,A. Kareiva,J. Linden,M. Lippmaa,L. Niinisto","Sol-gel Synthesis and Characterization of Superconducting (Y1-xEux)Ba2(Cu1-y^57^Fey)4O8 Samples",,"J. All. Comp.",,"Vol. 225",," 586-590",1995,
"A. Fukuoka,M. Karppinen,M. Itoh,K. Hamada,H. Yamauchi","Determination of Oxygen Content and Cation Valences in Superconducting Tl-based Cuprates by a Wet Chemical Method",,"Phys. Rev. B ",,"Vol. 51",,"pp. 12759-12762",1995,
"A. Fukuoka,M. Karppinen,M. Itoh,K. Hamada,H. Yamauchi","Determination of Oxygen Contents and Cation Valences in the Superconducting Bismuth and Thallium Cuprates",,"J. Supercond.",,"Vol. 8",,"pp. 31-35",1995,
"M. Karppinen,J. Linden,J. Valo,A. Kareiva,V. Kozlov,K. Terryll,L. Niinisto,M. Leskela,K.V. Rao","Iron Substitution Effects in YBa2Cu4O8 Synthesized by a Sol-gel Technique",,"Supercond. Sci. Technol.",,"Vol. 8",,"pp. 79-84",1995,
"H. Yamauchi,M. Karppinen","Classification of HTSC Cuprates, and Design and Synthesis of the Members of Novel Homologous Series",,"Proc. 7th US-Japan Workshop on High-Tc Superconductors, Tsukuba, Japan, Oct. 24-25, 1995, K. Tachikawa, K. Kitazawa, K. Togano and E. Muromachi (Eds.), The Society of Non-traditional Technology, Tokyo ",,,,"pp. 362-376",1995,
"M. Karppinen,J. Linden,A. Fukuoka,L. Niinisto,H. Yamauchi","Synthesis and Chemical Characterization of Pb2Ba2EuCu3Oz Samples",,"Advances in Superconductivity VII, H. Yamafuji and T. Morishita (Eds.), Springer-Verlag","Advances in Superconductivity VII, H. Yamafuji and T. Morishita (Eds.), Springer-Verlag",,,"pp. 273-276",1995,
"A. Kareiva,M. Karppinen,L. Niinisto","Sol-gel Synthesis of Superconducting YBa2Cu4O8 Using Acetate and Tartrate Precursors",,"J. Mater. Chem.",,"Vol. 4",,"pp. 1267-1270",1994,
"J. Linden,M. Lippmaa,J. Miettinen,I. Tittonen,T. Katila,M. Karppinen,L. Niinisto","^151^Eu Mossbauer Spectroscopy and X-ray Diffraction Studies on the Pb2Ba2EuCu3O8+y System",,"Phys. Rev. B",,"Vol. 50",,"pp. 16040-16043",1994,
"J. Linden,M. Lippmaa,J. Miettinen,I. Tittonen,T. Katila,A. Kareiva,M. Karppinen,L. Niinisto,J. Valo,M. Leskela","Europium Substitution Effects in Superconducting YBa2Cu4O8 Synthesized under One Atmosphere Oxygen Pressure",,"Phys. Rev. B",,"Vol. 50",,"pp. 4154-4158",1994,
"J. Linden,M. Lippmaa,J. Miettinen,I. Tittonen,T. Katila,M. Karppinen,L. Niinisto,A. Nara,H. Yamauchi","Precise Determination of the Hyperfine Parameters of Europium in Multifluorite Perovskites by ^151^Eu Mossbauer Spectroscopy",,"Phys. Rev. B",,"Vol. 49",,"pp. 15280-15286",1994,
"J. Holsa,E. Kestila,M. Karppinen","Crystal Fields in Eu^3+^ Doped Rare Earth Oxynitrates: Application of the Descending Symmetry Method",,"Z. Phys. Chem.",,"Vol. 187",,"pp. 61-71",1994,
"J. Holsa,M. Karppinen,E. Kestila","Comparative Study of the Crystal Field Effects in Rare Earth Oxynitrates",,"J. All. Comp.",,"Vol. 207-208",,"pp. 65-68",1994,
"M. KARPPINEN,A. FUKUOKA,J. WANG,S. TAKANO,M. WAKATA,T. IKEMACHI,H. YAMAUCHI"," A Novel Method for the Determination of the Oxygen Contents in the Superconducting Thallium Cuprates ",,"Superconductor Science and Technology",,"Vol. 6",,"pp. 265-268",1993,
"M.Karppinen","Preparation and Chemical Characterization of High-Tc Oxide Superconductors and Related Cuprates",,"Annales Academiae Scientiarum Fennicae, Series A II. Chemica",,"Vol. 249",,"pp. 51",1993,
"M. KARPPINEN,H. YAMAUCHI,S. TANAKA ","An Improved Coulometric Titration Method for the Oxygen Content and Valence Determinations in Bismuth and Lead Cuprates ",,"Journal of Solid State Chemistry ",,"Vol. 104","No. 2","pp. 276-281",1993,
"A. Fukuoka,M. Karppinen,M. Ito,K. Hamada,H. Yamauchi","Determination of Average Valences of Copper and Thallium Separately in the Superconducting Thallium Cuprates",,"Advances in Superconductivity V, Y. Bando and H. Yamauchi (Eds.), Springer-Verlag","Advances in Superconductivity V, Y. Bando and H. Yamauchi (Eds.), Springer-Verlag",,,"pp. 283-286",1993,
"M.Wakata,S. Takano,J. Wang,M. Karppinen,H. Yamauchi","Oxygen-content Dependence of the Flux Pinning in Pb-substituted Bi-2212 Superconductors",,"Advances in Superconductivity V, Y. Bando and H. Yamauchi (Eds.), Springer-Verlag","Advances in Superconductivity V, Y. Bando and H. Yamauchi (Eds.), Springer-Verlag",,,"pp. 423-426",1993,
"J. LINDEN,T. KARLEMO,M. KARPPINEN,T. KATILA,M. LIPPMAA,A. NARA,L. NINISTO,K. ULLAKKO,H. YAMAUCHI"," Application of 151Eu Mossbauer Spectroscopy to Studies of Electric Field Gradients in High-Temperature Superconductors",,"Hyperfine Interactions",,"Vol. 93",,"pp. 1635-1639",1993,
"M. KARPPINEN,A. FUKUOKA,J. WANG,S. TAKANO,M. WAKATA,T. IKEMACHI,H. YAMAUCHI"," Valence Studies on Various Superconducting Bismuth and Lead Cuprates and Related Materials",,"Physica C ",,"Vol. 208",,"pp. 130-136",1993,
"Maarit Karppinen","Determination of Oxygen Contents and Valences of Copper and Other Cations in Superconducting Cuprates",,"ISTEC Journal ",,"Vol. 6","No. 2","pp. 15-20",1993,
"maarit karppinen","Preparation and Chemical Characterization of High Tc
Oxide Superconductors and Related Cuprates",,,,,,,1993,
"S. TAKANO,M. WAKATA,J. WANG,M. KARPPINEN,H. YAMAUCHI","Control of the Formation of Secondary Phases in Pb-Substituted Bi-2212 Superconductors with Respect to Oxygen Partial Pressure ",,"Proceedings of ISTEC-MRS International Workshop on Superconductivity ",,,,,1992,
"M. Karppinen,L. Niinisto,K. Ullakko","Europium-based High-temperature Superconductors Studied by X-ray Diffraction and 151Eu Mossbauer Spectroscopy",,"Phys. Rev. B",,"Vol. 46",,"pp. 8534-8541",1992,