"Tadaaki Kitahara,Sou Yasuhara,Takuya Hoshina","Phase stability and ferroelectricity in HfO2-Y2O3 nanolaminate films","21st US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2024,Nov. "Tadaaki Kitahara,Sou Yasuhara,Takuya Hoshina","Phase stability and ferroelectricity in HfO2?Y2O3 nanolaminate films",,"Journal of the Ceramic Society of Japan",,"Volume 132","Issue 7","pp. 318-323",2024,July "Sou Yasuhara,Ayato Nakagawa,Kazuki Okamoto,Takahisa Shiraishi,Hiroshi Funakubo,Shintaro Yasui,Mitsuru Itoh,Takaaki Tsurumi,Takuya Hoshina","Evaluation of ferroelectricity in a distorted wurtzite-type structure of Sc-doped LiGaO2",,"RSC Adv",," 14",,"p. 13900",2024,May "池田衣里花,安原颯,保科拓也","(Ba1-3xBi2x)(Ti0.99Mn0.01)O3-δ セラミックスのエージング効果","日本セラミックス協会2024年年会",,,,,,2024,Mar. "保科拓也","広帯域誘電スペクトロスコピーによる誘電分極機構の解明","日本セラミックス協会2024年年会",,,,,,2024,Mar. "阿部穂高,安原颯,保科拓也","タングステンブロンズ型 K2NdNb5O15における相転移挙動の解析","日本セラミックス協会2024年年会",,,,,,2024,Mar. "福井秋宙,安原颯,保科拓也","メカノケミカル反応による分子性圧電体TMCM-MnCl3の固相合成","日本セラミックス協会2024年年会",,,,,,2024,Mar. "保科拓也","テラヘルツ分光によるガラス材料の誘電特性評価",,"Beyond 5G/6G時代に求められる部材技術と評価指針",,,,"pp. 230-237",2024,Mar. "Myung-Yeon Cho,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Low-temperature synthesis of Nb-doped and Mn-doped SrTiO3 with easily controllable particle size",,"Journal of Crystal Growth",,"Vol. 626",,,2023,Nov. "北原惟晶,安原 颯,保科 拓也","HfO2・Y2O3積層膜の作製と強誘電性の評価","第43回 電子材料研究討論会",,,,,,2023,Nov. "安原 颯,菊地 泰生,保科 拓也,鶴見 敬章","(Ba, Sr)3Al2O6水溶性犠牲層を用いたBaTiO3転写膜の作製と誘電特性評価","第43回 電子材料研究討論会",,,,,,2023,Nov. "Cho Myung-Yeon,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Room-Temperature-Fabricated Nb-SrTiO3/Mn-SrTiO3 Core Shell Nanostructuress for Improved Dielectric Performances","第43回 電子材料研究討論会",,,,,,2023,Nov. "保科拓也","MIによるペロブスカイト型化合物の強誘電性の予測",,"セラミックス",,"Vol. 58",,"pp. 663-667",2023,Oct. "安原 颯,菊地 泰生,保科 拓也,鶴見 敬章","水溶性犠牲層を用いた BaTiO3 単結晶薄膜の転写と誘電特性評価","公益社団法人日本セラミックス協会 第36回秋季シンポジウム",,,,,,2023,Sept. "保科 拓也,PENG Shicheng,安原 颯,鶴見 敬章","マイカ基板上へ作製した(Ba,Sr)TiO3 薄膜のフレクソエレクトリック効果","公益社団法人日本セラミックス協会 第36回秋季シンポジウム",,,,,,2023,Sept. "保科拓也","テラヘルツ分光法によるガラス材料の誘電特性と解析",,"Nanofiber : ナノファイバー学会誌",,"Vol. 14",,"pp. 26-30",2023,July "Hodaka Abe,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Stabilization of Antiferroelectric Phase in K2NdNb5O15 at Room Temperature by Ta Substitution","ISAF 2023",,,,,,2023,July "Hodaka Abe,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Effect of Ta substitution on the ferroelectric-antiferroelectric phase transition in tetragonal tungsten bronze-type K2NdNb5O15",,"Journal of the Ceramic Society of Japan",,"Vol. 131","No. 7","p. 189",2023,July "Takuya Hoshina","Terahertz Spectroscopy of Dielectric Materials for 6G Applications","2023 ISAF-ISIF-PFM Joint Conference",,,,,,2023,July "Sou Yasuhara,Shintaro Yasui,Takuya Hoshina,Mitsuru Itoh,Takaaki Tsurumi","Evaluation of ferroelectricity in BaTiO3 epitaxial thin film using Ca (Mn, Nb) O3 bottom electrode for high-temperature annealing",,"Applied Physics Letters",,"Vol. 123"," 4",,2023,July "Kazuki Kanehara,Shingo Urata,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Dielectric response and polarization mechanism of alkali silicate glasses in gigahertz to terahertz frequency range",,"Journal of the American Ceramic Society",," 106",,"p. 5341",2023,May "福井 秋宙,安原 颯,鶴見 敬章,保科 拓也","分子性強誘電体 TMCM-MnCl3 における合成プロセスの開拓","FMA40",,,,,,2023,May "Cho Myung-Yeon,安原 颯,鶴見 敬章,保科 拓也","Nb-SrTiO3/Mn-SrTiO3 Core/Shell Nanostructures Fabricated under Room Temperature","FMA40",,,,,,2023,May "金原 一樹,庭野 和彦,安原 颯,鶴見 敬章,保科 拓也","高周波フィルタ開発に向けたガラス材料の誘電率温度変化率の低減","FMA40",,,,,,2023,May "Akio Sayano,Hiroyuki Ohshima,Takuya Hoshina,Takaaki Tsurumi","What in particle morphology determines the DLVO interaction energy between hematite particles in electrolyte solutions?",,"Colloids Surf. A: Physicochem. Eng. Asp.",,"Vol. 664",,,2023,Apr. "安原 颯,保科 拓也,鶴見 敬章","高温熱処理後のBaTiO3/Ca(Mn, Nb)O3エピタキシャル薄膜の強誘電性評価","日本セラミックス協会 2023年年会",,,,,,2023,Mar. "保科拓也","機械学習を活用した 強誘電体・圧電体の研究","第70回応用物理学会春季学術講演会",,,,,,2023,Mar. "福井秋宙,安原颯,鶴見敬章,保科拓也","アンチソルベント法を用いた分子性強誘電体TMCM-MnCl3の合成","日本セラミックス協会第61回セラミックス基礎科学討論会",,,,,,2023,Jan. "菅 幸生,安原 颯,鶴見 敬章,保科 拓也","KNb(GexSi1-x)2O7単結晶の構造解析と誘電特性評価","日本セラミックス協会第61回セラミックス基礎科学討論会",,,,,,2023,Jan. "Shicheng Peng,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Fabrication of (Ba,Sr)TiO3 epitaxial thin films on mica substrate toward flexible electronics","The 14th Japan-China Symposium on Ferroelectric Materials and Their Applications",,,,,,2022,Dec. "阿部穂高,安原 颯,鶴見敬章,保科拓也","正方晶タングステンブロンズ型 K2NdNb5O15 の強誘電-反強誘電相転移に及ぼす Ta 置換効果","第 42 回電子材料研究討論会",,,,,,2022,Nov. "T. Hoshina,Y. Suga,S. Yasuhara,T. Tsurumi","Ferroelectric Propertiess of AgxK1-xNbSi2O7 Single Crystals","2022 US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2022,Nov. "菊地泰生,安原 颯,鶴見敬章,保科拓也","PET 基板上に転写した BaTiO3 単結晶薄膜の誘電特性評価","第 42 回電子材料研究討論会",,,,,,2022,Nov. "S. Yasuhara,T. Hoshina,T. Tsurumi","Annealing Effectss in BaTiO3/Ca(Mn,Nb)O3/SrTiO3 Epitaxial Thin Films","2022 US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2022,Nov. "金原一樹,浦田新吾,安原 颯,鶴見敬章,保科拓也","GHz-THz 帯におけるアルカリシリケートガラスの誘電特性","第 42 回電子材料研究討論会",,,,,,2022,Nov. "Takuya Hoshina","Elucidation of Dielectric Polarization Mechanism Using THz Spectroscopy","MS&T22",,,,,,2022,Oct. "保科 拓也,中村 彩人,安原 颯,鶴見 敬章","第一原理計算と機械学習を用いた複合アニオン化合物強誘電体の探索","セラミックス協会第35回秋季シンポジウム",,,,,,2022,Sept. "前島 大樹,安原 颯,鶴見 敬章,保科 拓也","ルドルスデン・ポッパー相Sr2(Ti, Zr)O4のTHz誘電応答の評価","セラミックス協会第35回秋季シンポジウム",,,,,,2022,Sept. "杉浦 敏貴,安原 颯,鶴見 敬章,保科 拓也","LiFe5O8-Li3NbO4 二相共存化合物のリチウムイオン伝導率評価","セラミックス協会第35回秋季シンポジウム",,,,,,2022,Sept. "安原 颯,中川 絢人,白石 貴久,安井 伸太郎,舟窪 浩,伊 藤 満,保科 拓也,鶴見 敬章","Sc 置換した LiGaO2 の強誘電性評価","セラミックス協会第35回秋季シンポジウム",,,,,,2022,Sept. "安原颯,中川絢人,白石貴久,舟窪浩,伊藤満,保科拓也,鶴見敬章","Sc置換したLiGaO2の強誘電性評価","日本セラミックス協会第35回秋季シンポジウム",,,,,,2022,Sept. "安原 颯,冨山 尚大,本多 威一郎,保科 拓也,鶴見 敬章","負極T-Nb2O5薄膜の充放電評価と積層界面構造の作製","強的秩序とその操作に関わる 第15回 夏の学校",,,,,,2022,Sept. "H. Takeda,Y. Sobata,H. Usui,S. Kodama,I. Yanase,T. Hoshina,T. Tsurumi,K. Shimamura","Growth and characterization of strontium-substituted La3Ta0.5Ga5.5O14 single crystals",,"J. CERAM. SOC. JPN.",,"Vol. 130",,"pp. 16-20",2022,Sept. "阿部穂高,安原 颯,鶴見 敬章,保科拓也","K2Nd(Nb1-xTax)5O15 における強誘電?反強誘電相転移温度のTa置換量依存性","強的秩序とその操作に関わる 第15回 夏の学校",,,,,,2022,Sept. "S. Yasuhara,A. Nakagawa,T. Shiraishi,S. Yasui,H. Funakubo,M. Itoh,T. Hoshina,T. Tsurumi","Ferroelectricity in Sc doped LiGaO2 epitaxial thin films","IUMRS-ICYRAM",,,,,,2022,Aug. "N. Tomiyama,S. Yasuhara*,T. Tsurumi,T. Hoshina","Conductivity of Li-ion with a corundum-related structure in a LiNbO3-Al2O3 system",,"J. CERAM. SOC. JPN.",,"Vol. 130","No. 7","pp. 448?451",2022,July "K. Kanehara,S. Urata,S. Yasuhara,T. Tsurumi,T. Hoshina","Dielectric response of glass in the GHz-THz frequency region","26th International Congress on Glass",,,,,,2022,July "Y. Suga,S. Yasuhara,T. Tsurumi,T. Hoshina*","Effect of Ag substitution on ferroelectricity in KNbSi2O7",,"J. CERAM. SOC. JPN.",,"Vol. 130","No. 7","pp. 410?415",2022,July "K. Kanehara,S. Urata,S. Yasuhara,T. Tsurumi,T. Hoshina","Dielectric response of glass in the GHz-THz frequency region","26th International Congress on Glass",,,,,,2022,July "Kazuki Kanehara,Shingo Urata,Sou Yasuhara,Takaaki Tsurumi,Takuya Hoshina","Dielectric property and polarization mechanism of sodium silicate glass in GHz?THz range",,"Japanese Journal of Applied Physics",,"Vol. 61"," SN1001",,2022,July "金原一樹,浦田慎吾,安原 颯,鶴見敬章,保科拓也","高周波領域におけるガラス材料の誘電特性","第39回強誘電体会議",,,,,,2022,June "安原 颯,中川絢人,白石貴久,安井伸太郎,舟窪 浩,伊藤 満,保科拓也,鶴見敬章","ウルツァイト型 Li(Ga, Sc)O2 薄膜の強誘電性","第39回強誘電体会議",,,,,,2022,June "杉浦 敏貴,安原 颯,保科 拓也,鶴見 敬章","Li4Ti5O12と岩塩型構造材料の二相共存によるイオン伝導率の向上","日本セラミックス協会 2022年年会",,,,,,2022,Mar. "菅 幸生,安原 颯,鶴見 敬章,保科 拓也","KNb(GexSi1-x)2O7単結晶の作製と強誘電特性の評価","日本セラミックス協会 2022年年会",,,,,,2022,Mar. "冨山 尚大,安原 颯,鶴見 敬章,保科 拓也","LiNbO3-Al2O3固溶体の作製とイオン伝導率評価","日本セラミックス協会 2022年年会",,,,,,2022,Mar. "安原 颯,保科 拓也,鶴見 敬章","BaTiO3/Ca(Mn, Nb)O3エピタキシャル薄膜の強誘電性評価","日本セラミックス協会 2022年年会",,,,,,2022,Mar. "Takuya Hoshina,Takahiro Yamada,Shicheng Peng,Sou Yasuhara,Takaaki Tsurumi","Fabrication and Dielectric Properties of N-doped BaTiO3 Single Crystals","International Conference on Mixed-Anion Compounds",,,,,,2021,Dec. "安原 颯,保科 拓也,鶴見 敬章","Ca(Mn,Nb)O3下部電極を使用したBaTiO3エピタキシャル薄膜の強誘電性評価","第31回MRS-J年次大会",,,,,,2021,Dec. "本多 威一郎,安原 颯,鶴見 敬章,保科 拓也","溶融ターゲットを利用したPLD法によるLiAlO2エピタキシャル薄膜の作製","第41回電子材料研究討論会",,,,,,2021,Nov. "冨山 尚大,安原 颯,鶴見 敬章,保科 拓也","コランダム関連構造を有するCo4Nb2O9- LiNbO3固溶体の作製とLiイオン伝導率評価","第41回電子材料研究討論会",,,,,,2021,Nov. "菅 幸生,安原 颯,鶴見 敬章,保科 拓也","KNbSi2O7の強誘電性に及ぼすAg置換の効果","第41回電子材料研究討論会",,,,,,2021,Nov. "彭 師承,安原 颯,鶴見 敬章,保科 拓也","Ba(Ti,Nb)(O,N)3エピタキシャル薄膜の作製と誘電特性評価","第41回電子材料研究討論会",,,,,,2021,Nov. "Takuya Hoshina","Understanding of dielectric polarization mechanisms using THz spectroscopy","The 13th China-Japan Symposium on Ferroelectric Materials and Their Applications",,,,,,2021,Oct. "中川 絢人,安原 颯,鶴見 敬章,保科 拓也","ウルツァイト型構造 LiGaO2 の強誘電性に関する調査","強的秩序とその操作に関する第13回夏の学校",,,,,,2021,Sept. "本多 威一郎,安原 颯,鶴見 敬章,保科 拓也","LiAlO2 エピタキシャル薄膜の作製と電気特性評価","強的秩序とその操作に関する第13回夏の学校",,,,,,2021,Sept. "安原 颯,保科 拓也,鶴見 敬章","Ca(Mn,Nb)O3下部電極を利用したBaTiO3エピタキシャル薄膜の誘電特性評価","第82回応用物理学会秋季シンポジウム",,,,,,2021,Sept. "保科拓也","NH3気流中で熱処理されたSrTiO3およびBaTiO3単結晶の物性",,"セラミックス",,"Vol. 56",,"pp. 548-551",2021,Aug. "S. Yasuhara,S. Yasui,T. Teranishi,T. Hoshina,T. Tsurumi,M. Itoh","A surface-supporting method for an anode material of Li4Ti5O12 via an epitaxial thin film approach",,"Jpn. J. Appl. Phys.",,"Vol. 60",,,2021,Aug. "保科拓也","テラヘルツ分光エリプソメメータを用いた誘電体材料の理解と設計","第179回電子セラミック・プロセス研究会",,,,,,2021,July "S. Yasuhara,S. Yasui,T. Teranishi,O. Sakata,T. Hoshina,T. Tsurumi,Y. Majima,M. Itoh","Suppression Mechanisms of the Solid-Electrolyte Interface Formation at the Triple-Phase Interfaces in Thin-Film Li-Ion Batteries",,"ACS Appl. Mater. Interfaces",,"Vol. 13","No. 29","pp. 34027-34032",2021,July "安原 颯,安井伸太郎,寺西貴志,保科拓也,鶴見敬章,伊藤満","表面担持したLiCoO2薄膜における担持材料の比誘電率と高速充電の関係","第38回強誘電体会議",,,,,,2021,June "武田 博明,蕎麦田 雄大,臼井 晴紀2徳田 誠,杉山 和正,保科 拓也,鶴見 敬章,柳瀬 郁夫,Kheirreddine Lebbou","Sr置換La3Ta0.5Ga5.5O14結晶の合成と評価","第38回強誘電体会議",,,,,,2021,June "保科 拓也,菅 幸生,大沼 美穂,武田 博明,鶴見 敬章","AgやTaで置換したKNbSi2O7の強誘電特性","第38回強誘電体会議",,,,,,2021,June "A. Bencan,E. Oveisi,S. Hashemizadeh,V. K. Veerapandiyan,T. Hoshina,T. Rojac,M. Deluca,G. Drazic,D. Damjanovic","Atomic scale symmetry and polar nanoclusters in the paraelectric phase of ferroelectric materials",,"Nature Commun.",,"Vol. 12",,,2021,June "菊地 泰生,安原 颯,片山司,鶴見 敬章,保科 拓也","(Ba,Sr)-3Al2O6犠牲層を用いたBaTiO3単結晶自立膜の作製","第38回強誘電体会議",,,,,,2021,June "武藤 庄吾,安原 颯,鶴見 敬章,保科 拓也","化学溶液堆積法によるチタン酸バリウム系酸硫化物薄膜の作製","日本セラミックス協会 2021年年会",,,,,,2021,Mar. "安原 颯,安井 伸太郎,寺西 貴志,保科 拓也,鶴見 敬章,伊藤 満","負極Li4Ti5O12ピタキシャル薄膜上への三相界面導入","日本セラミックス協会 2021年年会",,,,,,2021,Mar. "本多 威一郎,安原 颯,保科 拓也,鶴見 敬章","エピタキシャル薄膜を用いた正極-負極接合界面の調査と界面保護層の導入","日本セラミックス協会 2021年年会",,,,,,2021,Mar. "冨山 尚大,安原 颯,保科 拓也,鶴見 敬章","LiNbO3-Co4Nb2O9固溶体のイオン伝導率評価","日本セラミックス協会 2021年年会",,,,,,2021,Mar. "Sou YASUHARA,Shintaro YASUI,Takashi TERANISHI,Takuya HOSHINA,Takaaki TSURUMI,Mitsuru ITOH","Surface-supporting method of micropad deposition onto LiCoO2 epitaxial thin films to improve high C-rate performance",,"Journal of the Ceramic Society of Japan",,,,,2021,Feb. "安原颯,安井伸太郎,寺西貴志,保科拓也,鶴見敬章,真島豊,伊藤満","BaTiO3?LiCoO2?電解液三相界面における固体電解質界面の観察","第40回電子材料研究討論会",,,,,,2020,Nov. "武田博明,臼井 晴紀,徳田 誠,杉山 和正,保科 拓也,鶴見 敬章,柳瀬郁夫,LEBBOU Kheirreddine","ランガサイト型結晶の熱物性制御における元素置換効果","第40回電子材料研究討論会",,,,,,2020,Nov. "保科拓也,大沼美穂,菅幸生,安原颯,武田博明,鶴見敬章","K(Ta,Nb)Si2O7単結晶の作製と強誘電特性の評価","第40回電子材料研究討論会",,,,,,2020,Nov. "H. Usui,M. Tokuda,K. Sugiyama,T. Hoshina,T. Tsurumi,K. Lebbou,I. Yanase,H. Takeda","Control of Thermophysical Properties of Langasite-Type La3Ta0.5Ga5.5O14 Crystals for Pressure Sensors",,"Crystals",,"Vol. 10",,,2020,Oct. "野村 武史,小泉 成一,森田 浩一郎,藤岡 芳博,堺 英樹,川村 知栄,黒川 晴己,齊藤 敢,西村 浩輔,保科 拓也,山本 孝,岸 弘志,安川 勝正,水野 高太郎,深谷 知巳,佐竹 正宏,佐々木 信弘","積層セラミックコンデンサ(MLCC)の材料・製造・実装技術と最新動向",,,"R&D支援センタ",,,,2020,Oct. "保科拓也","複合アニオン化合物の誘電・強誘電特性","第五回複合アニオンウェブセミナー",,,,,,2020,Sept. "安原颯,安井伸太郎,保科拓也,鶴見敬章,寺西貴志,伊藤満","BaTiO3-LiCoO2-電解液 三相界面近傍のSEI観察","セラミックス協会第33回秋季シンポジウム",,,,,,2020,Sept. "S. Minegishi,T. Hoshina,T. Tsurumi,K. Lebbou,H. Takeda","Crystal growth and characterization of LixLa(1−x)/3NbO3 using Czochralski method",,"J. Ceram. Soc. Jpn.",,"Vol. 128",,"pp. 481-485",2020,Aug. "H. Usui,H. Kusakabe,M. Tokuda,K. Sugiyama,T. Hoshina,T. Tsurumi,H. Takeda","Structure and electrical properties of Ba3TaGa3Si2O14 single crystals grown by Czochralski method",,"J. Ceram. Soc. Jpn.",,"Vol. 128",,"pp. 441-446",2020,Aug. "T. Yamada,T. Yamada,H. Takeda,T. Tsurumi,T. Hoshina","Possibility of ferroelectric bismuth and nitrogen co-doped barium titanate",,"J. Ceram. Soc. Jpn.",,"Vol. 128",,"pp. 486-491",2020,Aug. "Takuya Hoshina,Miho Onuma,Hiroaki Takeda,Takaaki Tsurumi","Fabrication of Ferroelectric K(Nb,Ta)Si2O7 Single Crystals","IEEE IFCS-ISAF 2020",,,,,,2020,July "Y. Cho,A. Yamaguchi,R. Uehara,S. Yasuhara,T. Hoshina,M. Miyauchi","Temperature dependence on bandgap of semiconductor photocatalysts",,"J. Chem. Phys.",,"Vol. 152",,"p. 231101",2020,June "保科 拓也,大沼美穂,武田 博明,鶴見 敬章","強誘電性K(Ta,Nb)Si2O7単結晶の作製と評価","第37回強誘電体会議",,,,,,2020,May "武田 博明,臼井 晴紀,徳田 誠,杉山 和正,保科 拓也,鶴見 敬章,Lebbou Kheirreddine","元素置換によるランガサイト型結晶の熱物性制御","第37回強誘電体会議",,,,,,2020,May "臼井 晴紀,徳田 誠,保科 拓也,鶴見 敬章,杉山 和正,LEBBOU Kheirreddine,武田 博明","ランガサイト型結晶の元素置換による熱物性制御","日本セラミックス協会2020年年会",,,,,,2020,Mar. "H. Takeda,H. Kusakabe,H. Usui,T. Hoshina,T. Tsurumi,K. Lebbou","Strontium-substituted calcium magnesium silicate single crystals for high-temperature piezoelectric applications",,"J. Ceram. Soc. Jpn.",,"Vol. 128",,"pp. 130-134",2020,Mar. "山田隆寛,武田博明,鶴見敬章,保科拓也","チタン酸バリウム単結晶の部分窒化","日本セラミックス協会2020年年会",,,,,,2020,Mar. "大沼 美穂,武田 博明,鶴見 敬章,保科 拓也","K(Ta, Nb)Si2O7単結晶の作製と 強 誘電特性の評価","第67回応用物理学会春季学術講演会",,,,,,2020,Mar. "久原 直輝,武田 博明,鶴見 敬章,保科 拓也","急冷したリラクサーPb(Mg1/3Nb2/3)O3の誘電特性","第67回応用物理学会春季学術講演会",,,,,,2020,Mar. "Y. Cho,S. Shoji,A. Yamaguchi,T. Hoshina,T. Fujita,H. Abe,M. Miyauchi","Visible-light-driven dry reforming of methane using semiconductor-supported catalyst",,"Chem. Commun.",,"Vol. 56",,"p. 4611",2020,Mar. "LIAO YUHSUN,Takezawa Shuhei,Takeda Hiroaki,Tsurumi Takaaki,Hoshina Takuya","THz Dielectric Property of Fine-grained Barium Titanate Ceramics and Thick Films","日本セラミックス協会2020年年会",,,,,,2020,Mar. "保科 拓也,大沼 美穂,武田 博明,鶴見 敬章","K(Ta,Nb)Si2O7単結晶の強誘電特性","強的秩序とその操作に関わる研究グループの第10回研究会",,,,,,2020,Jan. "Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","Crystal Structures and Dielectric Properties of Perovskite-Type Mixed -Anion Compound","MRM2019",,,,,,2019,Dec. "Yohei Cho,Shusaku Shoji,Akira Yamaguchi,Takuya Hoshina,Takeshi Fujita,Hideki Abe,Masahiro Miyauchi","Photocatalytic methane reforming with CO2 using visible light","第3回光触媒国際シンポジウム",,,,,,2019,Nov. "鶴見敬章,武田博明,保科拓也","リラクサーを用いた新しい高温高耐圧セラミック誘電体",,"セラミックス",,"Vol. 54",,"pp. 768-771",2019,Nov. "Takuya Hoshina,Junji Nishiyama,Ayahito Nakamura,Takuya Takahashi,Hiroaki Takeda,Takaaki Tsurumi","Prediction of Spontaneous Polarization of Perovskite-type Ferroelectrics by Machine Learning","19th US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2019,Nov. "峯岸秀也,保科拓也,鶴見敬章,武田博明","リチウム置換ニオブ酸ランタン単結晶の育成とイオン伝導性","第39回電子材料研究討論会",,,,,,2019,Nov. "山田隆寛,西山準二,武田博明,鶴見敬章,保科拓也","ビスマスと窒素を共添加したチタン酸バリウムの作製","第39回電子材料研究討論会",,,,,,2019,Nov. "日下部展,臼井晴紀,保科拓也,鶴見敬章,武田博明","Sr置換オケルマナイト単結晶の育成と電気的・機械的特性評価","第39回電子材料研究討論会",,,,,,2019,Nov. "武田 博明,臼井 晴紀,保科 拓也,鶴見 敬章,杉山 和正,徳田 誠","四成分系ランガサイト型結晶の構造と物性","日本結晶学会 令和元年(2019年)度年会",,,,,,2019,Nov. "Hiroaki Takeda,Hiraku Kusakabe,Haruki Usui,Takuya Hoshina,Kheireddine Lebbou,Takaaki Tsurumi","Growth and Characterization of Strontium-substituted Akermanite Single Crystal for High Temperatre Application","19th US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2019,Nov. "Yohei Cho,Shusaku Shoji,Akira Yamaguchi,Takuya Hoshina,Takeshi Fujita,Hideki Abe,Masahiro Miyauchi","Visible- light-driven Dry Reforming of Methane Using Semiconductor Supported Catalyst","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "Yusuke Ikuta,Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","High energy density all solid capacitor with Lithium-ion conductive glass","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "Miho Onuma,Hiroaki Takeda,Takaaki Tsurumi,Takuya Hoshina","Fabrication and Evaluation of Ferroelectric Property of K(Ta, Nb)Si2O7 Single Crystals","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "Haruki Usui,Takuya Hoshina,Takaaki Tsurumi,Hiroaki Takeda","Relationship between A-site element and piezoelectric constant in Langasite-type single crystals","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "YuHsun Liao,Shuhei Takezawa,Takaaki Tsurumi,Takuya Hoshina","Terahertz dielectric property of fine grained BaTiO3 ceramics","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "Hiroaki Takeda,Haruki Usui,Takuya Hoshina,Takaaki Tsurumi","Structure and Piezoelectric Property of Ba3TaGa3Si2O14 Single Crystals Grown by Czochralski Method","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "Takaaki TSURUMI,Hiroaki TAKEDA,Takuya HOSHINA","Development of Dielectric Materials for Heat Resistant Capacitor","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "Hiroaki TAKEDA,Hiraku KUSAKABE,Haruki USUI,Takuto OHSIMA,Takuya HOSHINA,Kheirreddine LEBBOU,Takaaki TSURUMI","Potential of Melilite-type Piezoelectric Crystals for High-Temperature Applications","The 13th Pacific Rim Conference of Ceramic Societies",,,,,,2019,Oct. "峯岸秀也,保科拓也,鶴見敬章,武田博明","リチウム置換ニオブ酸ランタン単結晶の育成と評価","日本セラミックス協会第35回関東支部研究発表会",,,,,,2019,Sept. "日下部展,臼井晴紀,保科拓也,鶴見敬章,武田博明","オケルマナイト系圧電単結晶の育成と評価","日本セラミックス協会第35回関東支部研究発表会",,,,,,2019,Sept. "Yohei Cho,Shusaku Shoji,Akira Yamaguchi,Takuya Hoshina,Takeshi Fujita,Hideki Abe,Masahiro Miyauchi","Phohtocatalytic dry reforming of methane under visible light irradiation","1st Tokyo Tech-NCTU Joint Symposium on Advanced Materials",,,,,,2019,Sept. "張葉平,庄司州作,山口晃,保科拓也,藤田武志,阿部英樹,宮内雅浩","可視光型光触媒によるメタンのCO2改質","2019年 電気化学秋季大会",,,,,,2019,Sept. "Y. H. Liao,S. Takezawa,H. Takeda,T. Tsurumi,T. Hoshina","Terahertz dielectric response of nano-grained barium titanate ceramics measured by far-infrared spectroscopic ellipsometry",,"Jpn. J. Appl. Phys.",,"Vol. 58",,,2019,Aug. "Takuya Hoshina,Naoki Kuhara,Shuhei Takezawa,Hiroaki Takeda,Takaaki Tsurumi","THz Dielectric Response of Ferroelectric Relaxors Measured by Far-Infrared Ellipsometer","ISAF-ICE-EMF-IWPM-PFM2019",,,,,,2019,July "Hiroaki Takeda,Hiraku Kusakabe,Haruki Usui,Takuya Hoshina,Takaaki Tsurumi","DEVELOPMENT OF MELILITE-TYPE SINGLE CRYSTALS FOR HIGH TEMPERATURE PIEZOELECTRIC SENSOR","ICCGE-19",,,,,,2019,July "Takaaki Tsurumi,Masaya Karube,Hiroaki Takeda,Takuya Hoshina","Why some relaxors show high breakdown strength at high temperatures - intrinsic breakdown and lattice dynamics","ISAF-ICE-EMF-IWPM-PFM2019",,,,,,2019,July "Naoki Kuhara,Hiroaki Takeda,Takaaki Tsurumi,Takuya Hoshina","THz dielectric property of relaxor ferroelectric PMN-PT crystal measured by far-infrared ellipsometry","The 11th International Conference on the Science and Technology for Advanced Ceramics(STAC-11)",,,,,,2019,July "Takuya Takahashi,Hiroaki Takeda,Takaaki Tsurumi,Takuya Hoshina","Prediction of Curie temperature of perovskite-type ferroelectrics using machine learning","The 11th International Conference on the Science and Technology for Advanced Ceramics(STAC-11)",,,,,,2019,July "J. Nishiyama,K. Kanehara,H. Takeda,T. Tsurumi,T. Hoshina","Doping effect of Nb on ionic polarization of SrTiO3",,"J. Ceram. Soc. Jpn.",,"Vol. 127",,"pp. 357-361",2019,June "YuHsun Liao,Shuhei Takezawa,Hiroaki Takeda,Takaaki Tsurumi,Takuya Hoshina","Terahertz Dielectric Response of Nano-Grained Barium Titanate Ceramics Measured by Far-Infrared Spectroscopic Ellipsometry","第36回強誘電体応用会議",,,,,,2019,May "武田 博明,大島 拓人,保科 拓也,鶴見 敬章","ゲーレナイト単結晶の厚みすべり振動特性","第36回強誘電体応用会議",,,,,,2019,May "鶴見敬章,軽部允也,保科拓也,武田博明","リラクサー誘電体の高温での高耐圧メカニズム","第36回強誘電体応用会議",,,,,,2019,May "保科拓也,西山準二,高橋拓也,武田博明,鶴見敬章","機械学習によるペロブスカイト型酸化物の強誘電性の予測","第36回強誘電体応用会議",,,,,,2019,May "西山準二,高橋拓也,武田博明,鶴見敬章,保科拓也","第一原理計算と機械学習によるペロブスカイト型酸化物の強誘電性の予測システムの構築と重要な特徴量の探索","第66回応用物理学会秋季学術講演会",,,,,,2019,Mar. "軽部 允也,保科 拓也,武田 博明,鶴見 敬章","高温用コンデンサ材料の新規高耐電圧化理論の発見とその解釈","第66回応用物理学会秋季学術講演会",,,,,,2019,Mar. "臼井 晴紀,保科 拓也,鶴見 敬章,武田 博明","ランガサイト型結晶Ba3TaGa3Si2O14の圧電特性評価","第66回応用物理学会秋季学術講演会",,,,,,2019,Mar. "大島 拓人,保科 拓也,鶴見 敬章,武田 博明","高温用マイクロバランス応用に向けたゲーレナイト結晶の厚みすべり振動評価","第66回応用物理学会秋季学術講演会",,,,,,2019,Mar. "竹沢 周平,西山 準二,武田 博明,鶴見 敬章,保科 拓也","遠赤外分光エリプソメトリーによるリチウムイオン伝導体のイオンダイナミクスの解析","日本セラミックス協会2019年年会",,,,,,2019,Mar. "Hiroaki Takeda,Takuya Hoshina,Takaaki Tsurumi","Potential of melilite-type single crystals as piezoelectric devices","43rd International Conference and Exposition on Advanced Ceramics and Composites (ICACC 2019)",,,,,,2019,Jan. "保科 拓也,西山 準二,森本 有香,武田 博明,鶴見 敬章","窒素をドープしたBaTiO3の結晶構造と強誘電相転移","第28回日本MRS年次大会",,,,,,2018,Dec. "保科 拓也,武田 博明,鶴見 敬章,Dragan Damjanovic","(Ba, Sr)TiO3セラミックスにおける中心対称性の破れに及ぼす欠陥の影響","第28回日本MRS年次大会",,,,,,2018,Dec. "西山準二,高橋拓也,武田博明,鶴見敬章,保科拓也","第一原理計算とベイズ最適化を組み合わせた構造最適化システムの構築","第38回エレクトロセラミックス研究討論会",,,,,,2018,Nov. "臼井 晴紀,西山 準二,保科 拓也,鶴見 敬章,武田 博明","メリライト型結晶における構造と圧電性の関係","第38回エレクトロセラミックス研究討論会",,,,,,2018,Nov. "武田博明,Mohammed A. Zubair,保科拓也,鶴見敬章","BaTiO3-(Bi1/2K1/2)TiO3系半導体セラミックスの作製と粒界の電気的特性","第10回日中強誘電体応用会議",,,,,,2018,Nov. "H. Takeda,K. Akimoto,T. Oshima,K. Takizawa,J. Kondoh,A. Matsutani,T. Hoshina,T. Tsurumi","Electro-acoustical constants and Rayleigh surface acoustic wave propagation characteristics of calcium aluminate silicate Ca2Al2SiO7 single crystals",,"JPN. J. APPL. PHYS.",,"Vol. 57",,"page 11UD01",2018,Oct. "保科 拓也,竹沢 周平,佐瀬 瑠一,武田 博明,鶴見 敬章","遠赤外エリプソメータを用いたイオンダイナミクス解析","日本セラミックス協会第31回秋季シンポジウム",,,,,,2018,Sept. "小山 祐樹,片岡 裕介,保科 拓也,武田 博明,鶴見 敬章","固体/液体コンポジット系イオン伝導体の開発と高性能蓄電キャパシタへの応用","日本セラミックス協会第31回秋季シンポジウム",,,,,,2018,Sept. "Takuya Hoshina,Junji Nishiyama,Yuka Morimoto,Hiroaki Takeda,Takaaki Tsurumi","Influence of nitrogen doping on crystal structure and ferroelectric phase transition of BaTiO3","The 10th Japan and China Symposium on Ferroelectric Materials and Their Applications",,,,,,2018,Sept. "臼井 晴紀,保科 拓也,武田 博明,鶴見 敬章","メリライト型結晶における圧電性の発現メカニズム","日本セラミックス協会第31回秋季シンポジウム",,,,,,2018,Sept. "武田 博明,秋本 恭平,大島 拓人,近藤 淳,松谷 晃宏,保科 拓也,鶴見 敬章","ゲーレナイト Ca2Al2SiO7結晶の材料定数評価と弾性波特性","日本セラミックス協会第31回秋季シンポジウム",,,,,,2018,Sept. "Takuya Hoshina,Yuka Morimoto,Junji Nishiyama,Hiroaki Takeda,Takaaki Tsurumi","Crystal structure and ferroelectric phase transition of barium titanium oxynitride","12th Japan-Korea Conference on Ferroelectrics",,,,,,2018,Aug. "Seiji Kojima,Md. Mijanur Rahaman,Ryuichi Sase,Takuya Hoshina,Takaaki Tsurumi","Vibrational dynamics of ferroelectric K(Ta1-xNbx)O3 studied by far-infrared spectroscopic ellipsometry and Raman scattering",,"Japanese Journal of Applied Physics",,"Vol. 57",," 11UB05",2018,Aug. "Takuya Hoshina,Saki Hatta,Hiroaki Takeda,Takaaki Tsurumi","Grain sized effect of piezoelectric properties of BaTiO3 ceramics",,"Japanese Journal of Applied Physics",,"Vol. 57",," 0902BB",2018,July "Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","THz Dielectric Response Derived from Polar Clusters in BaTiO3-Based Materials","The 6th International Workshop on Relaxor Ferroelectrics (IWRF-6)",,,,,,2018,July "D. Damjanovic,S. Hashemizadeh,E. Oveisi,S. de Zanet,Takuya Hoshina,A. Bencan,T. Rojac,G. Drazic","Symmetry Breaking in Bulk Ceramics and Crystals","CIMTEC2018",,,,,,2018,June "Takaaki Tsurumi,Masaya Karube,Takuya Hoshina,Hiroaki Takeda","Why Relaxors shows High Breakdown Strength at High Temperatures?","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "S. Kojima,M. M. Rahaman,R. Sase,T. Hoshina,T. Tsurumi","Vibrational dynamics of ferroelectric K(Ta1-xNbx)O3 studied by far-infrared spectroscopic ellipsometry and Raman scattering","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "Hiroaki Takeda,Haruki Usui,Takuto Oshima,Takuya Hoshina,Kheirreddine Lebbou,Nobuhiro Kodama,Yuji Ohashi,Akira Yoshikawa,Takaaki Tsurumi","Growth, Electrical and Mechanical Properties of (Ca,Sr)2Al2SiO7 piezoelectric single crystals","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "Y. Kumazawa,Y. Fujii,Y. Kataoka,T. Hoshina,H. Takeda,T. Tsurumi","Fabrication of lithium lanthanum zirconate ceramics by cold sintering process","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "M. Karube,T. Hoshina,H. Takeda,T. Tsurumi","Dielectric Breakdown Strength of (Ba,Sr,Ca)TiO3 Ceramics for High-Temperature Ceramics Capacitor","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "Y. Kataoka,T. Hoshina,H. Takeda,T. Tsurumi","High energy density dual-carbon capacitor by cold sintering process","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "S. Takezawa,T. Hoshina,H. Takeda,T. Tsurumi","Ion dynamics of SrTiO3-LiTaO3 ceramics studied by far-infrared spectroscopic ellipsometry","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "Junji Nishiyama,Yuka Morimoto,K. Kurushima,Shigeo Mori,Hiroaki Takeda,takaaki tsurumi,Takuya Hoshina","Conduction mechanism of SrTiO3 crystal fabricated by annealing with NH3 and O2","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "T. Oshima,K. Akimoto,T. Hoshina,T. Tsurumi,J. Kohndoh,A. Matsutani,H. Takeda","Electro-Acoustical Constants and Rayleigh SAW Propagation Characteristics of Ca2Al2SiO7?Single Crystal","2018 ISAF-FMA-AMF-AMEC-PEM Joint Conference (IFAAP2018)",,,,,,2018,May "T. Oshima,T. Hoshina,T. Tsurumi,K. Lebbou,H. Takeda","Growth and characterization of Ca2-xAexAl2SiO7 (Ae=Sr, Ba) piezoelectric single crystals",,"J. CERAM. SOC. JPN.",,"Vol. 126",,"pp. 300-305",2018,May "藤井優宇,片岡裕介,熊澤優人,保科拓也,武田博明,鶴見敬章","Cold Sintering Processによるジルコン酸リチウムランタン緻密体の作製","日本セラミックス協会2018年年会",,,,,,2018,Mar. "藤井優宇,片岡裕介,熊澤優人,保科拓也,武田博明,鶴見敬章","Cold Sintering Processによるジルコン酸リチウムランタン緻密体の作製","日本セラミックス協会2018年年会",,,,,,2018,Mar. "鈴木究,保科拓也,武田博明,鶴見敬章","粒界絶縁コンデンサのインピーダンス解析と高容量化に向けた提案","日本セラミックス協会2018年年会",,,,,,2018,Mar. "小畑堅人,保科拓也,武田博明,鶴見敬章","機械学習と第一原理計算を用いた物性予測システムの構築と非鉛圧電体への適用","日本セラミックス協会2018年年会",,,,,,2018,Mar. "秋本恭平,保科拓也,近藤淳,松谷晃宏,鶴見敬章,武田博明","SAWセンサ応用へ向けたゲーレナイト結晶の特性評価","第65回応用物理学会春季学術講演会",,,,,,2018,Mar. "保科 拓也,森本 有香,西山 準二,武田 博明,鶴見 敬章","(Ba,La)Ti(O,N)3およびBa(Nb,Ti)(O,N)3の結晶構造と強誘電相転移","日本セラミックス協会2018年年会",,,,,,2018,Mar. "森本有香,西山準二,保科拓也,武田博明,鶴見敬章","ペロブスカイト型酸化物の結晶構造や相転移温度に対する窒素置換の影響","第65回応用物理学会春季学術講演会",,,,,,2018,Mar. "Y. Morimoto,J. Nishiyama,H. Takeda,T. Tsurumi,T. Hoshina","Transparent semiconducting SrTiO3 crystal fabricated by heating treatment with gaseous ammonia and CeO2 powder",,"Sci. Rep.",,"Vol. 8","No. 5031",,2018,Mar. "佐瀬 瑠一,保科 拓也,武田 博明,鶴見 敬章","遠赤外分光エリプソメトリによる不定比BaTiO3セラミックスのフォノン解析","第65回応用物理学会春季学術講演会",,,,,,2018,Mar. "Y. Morimoto,J. Nishiyama,H. Takeda,T. Tsurumi,T. Hoshina","Two-dimensional transportation in transparent SrTiO3 single crystal","第56回セラミックス基礎科学討論会",,,,,,2018,Jan. "保科拓也,佐瀬瑠一,櫻井元春,金原一樹,武田博明,鶴見敬章","BaTiO3系材料の分極クラスターに由来するTHz誘電応答","第27回日本MRS年次大会",,,,,,2017,Dec. "Takaaki Tsurumi,Shuhei Takezawa,Takuya Hoshina,Hiroaki Takeda","Elution of Lead from PZT Ceramics to Acid Rain","18th US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2017,Nov. "Junji Nishiyama,Takuya Hoshina,Yuka Morimoto,Hiroaki Takeda,Shigeo Mori,Takaaki Tsurumi","Conduction Mechanism of Transparent Semiconducting SrTiO3 Single Crystal","18th US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2017,Nov. "大島拓人,保科拓也,武田博明,Kheirreddine Lebbou,鶴見敬章","(Ca,Ae2+)2Al2SiO7(Ae=Sr,Ba)の単結晶育成と電気的・機械的特性の評価","第37回エレクトロセラミックス研究討論会",,,,,,2017,Oct. "西山準二,森本有香,久留島康輔,武田博明,鶴見敬章,森茂生,保科拓也","積層欠陥を有するSrTiO単結晶の電気伝導機構","第37回エレクトロセラミックス研究討論会",,,,,,2017,Oct. "Takaaki Tsurumi,Takuya Hoshina,Ryuichi Sase,Hiroaki Takeda","THz dielectric responses of BaTiO3-based ferroelectrics","The 9th China and Japan Symposium on Ferroelectric Materials and Their Applications",,,,,,2017,Sept. "熊澤優人,保科拓也,武田博明,鶴見敬章","Cold Sintering Process(CSP)によるSrTiO3の粒子間結合形成","日本セラミックス協会第30回秋季シンポジウム",,,,,,2017,Sept. "T. Tsurumi,S. Takezawa,T. Hoshina,H. Takeda","Elution of lead from lead zirconate titanate",,"Jpn. J. Appl. Phys.",,"Vol. 56","No. 10PD01",,2017,Sept. "R. Sase,T. Hoshina,H. Takeda,T. Tsurumi","Effect of atomic vacancies on ionic polarization of nonstoichiometric strontium titanate ceramics",,"Jpn. J. Appl. Phys.",,"Vol. 56","No. 10PB11",,2017,Sept. "保科 拓也,櫻井 元春,武田 博明,鶴見 敬章,Dragan Damjanovic","分極クラスターの揺らぎを起源とする(Ba,Sr)TiO3セラミックスの物性","日本セラミックス協会第30回秋季シンポジウム",,,,,,2017,Sept. "大島拓人,保科拓也,武田博明,鶴見敬章","(Ca,Me2+)2Al2SiO7(Me=Sr,Ba)の単結晶育成と特性評価","日本セラミックス協会第30回秋季シンポジウム",,,,,,2017,Sept. "軽部 允也,保科 拓也,武田 博明,鶴見 敬章","チタン酸バリウム系材料の高温における絶縁破壊機構","日本セラミックス協会第30回秋季シンポジウム",,,,,,2017,Sept. "片岡裕介,保科拓也,武田博明,鶴見敬章","Cold Sintering Processによるエナジーストレージキャパシタ構造の試作","日本セラミックス協会第30回秋季シンポジウム",,,,,,2017,Sept. "Takuya Hoshina,Motoharu Sakurai,Hiroaki Takeda,Takaaki Tsurumi","THz dielectric responses derived from dipole clusters of BaTiO3-based ferroelectrics","IMF-2017",,,,,,2017,Sept. "Yuka Morimoto,Junji Nishiyama,Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","Transparent semiconducting SrTiO3 single crystal fabricated by heating treatment with gaseous ammonia and CeO2 powder","STAC-10",,,,,,2017,Aug. "保科拓也,佐瀬瑠一,武田博明,鶴見敬章","チタン酸ストロンチウムのイオン分極に及ぼす原子空孔の影響","第34回強誘電体応用会議",,,,,,2017,June "武田博明,大島拓人,Lebbou Kheirreddine,奥寺浩樹,保科拓也,鶴見敬章","(Ca,Me2+)2Al2SiO7(Me=Sr,Ba)の単結晶育成と評価","第34回強誘電体応用会議",,,,,,2017,June "竹沢周平,保科拓也,武田博明,鶴見敬章","人工酸性雨へのPb(Zr,Ti)O3セラミックスの鉛溶出量の定量評価","第34回強誘電体応用会議",,,,,,2017,June "Takaaki Tsurumi,Kazuki Tomie,Masaya Karube,Takuya Hoshina,Hiroaki Takeda","A New Trend in the Study and Applications of Ceramic Capacitors","8th International Conference on Electroceramics (ICE2017)",,,,,,2017,May "Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","THz dielectric spectra and lattice dynamics of perovskite oxides","12th Pacific Rim Conference on Ceramic and Glass Technology (PACRIM 12)",,,,,,2017,May "Takaaki Tsurumi,Shuhei Takezawa,Takuya Hoshina,Hiroaki Takeda","Elution of Lead from PZT to Acid Rain","2017 Joint IEEE ISAF-IWATMD-PFM Conference",,,,,,2017,May "Takuya Hoshina,Akira Sahashi,Kazuki Kanehara,Hiroaki Takeda,Takaaki Tsurumi","Fabrication and Characterization of Perovskite Oxynitride Dielectrics","2017 Joint IEEE ISAF-IWATMD-PFM Conference",,,,,,2017,May "Takaaki Tsurumi,Hiroaki Takeda,Takuya Hoshina","Mechanism of electro-optic effect in oxide ferroelectrics and relaxors","12th Pacific Rim Conference on Ceramic and Glass Technology (PACRIM 12)",,,,,,2017,May "櫻井 元春,保科 拓也,武田 博明,鶴見 敬章","THz帯域におけるBa0.6Sr0.4TiO3セラミックスの誘電応答とそのチューナビリティ","第64回応用物理学会春季学術講演会",,,,,,2017,Mar. "秋本 恭平,保科 拓也,武田 博明,近藤 淳,鶴見 敬章","Ca2Al2SiO7結晶の表面弾性波特性","第64回応用物理学会春季学術講演会",,,,,,2017,Mar. "佐瀬 瑠一,保科 拓也,武田 博明,鶴見 敬章","遠赤外分光エリプソメトリと第一原理計算による不定比 SrTiO3のフォノン解析","日本セラミックス協会2017年年会",,,,,,2017,Mar. "石川 諒馬,保科 拓也,武田 博明,鶴見 敬章","電子トラップ準位過渡応答測定システムの構築と粒界絶縁層型コンデンサの評価","日本セラミックス協会2017年年会",,,,,,2017,Mar. "鈴木 究,保科 拓也,武田 博明,坂部 行雄,鶴見 敬章","SrTiO3系粒界絶縁コンデンサの絶縁特性,誘電損失に及ぼす SiO2,B2O3の効果","日本セラミックス協会2017年年会",,,,,,2017,Mar. "D. Hou,E. Aksel,C. M. Fancher,T.-M. Usher,T. Hoshina,H. Takeda,T. Tsurumi,J. L. Jones","Formation of Sodium Bismuth Titanate-Barium Titanate during Solid State Synthesis",,"J. Am. Ceram. Soc.",,"Vol. 100",,"pp. 1330?1338",2017,Jan. "H. Takeda,K. Yoshida,H. Okudera,K. Lebbou,T. Hoshina,T. Tsurumi","Growth and characterization of strontium-substituted Ca2Al2SiO7 piezoelectric single crystals",,"J. Ceram. Soc. Jpn.",,"Vol. 125","No. 1","pp. 23-26",2017,Jan. "藤井優宇,冨江和樹,佐瀬瑠一,保科拓也,武田博明,鶴見敬章","固体イオンキャパシタ用ガーネット型酸化物リチウムイオン伝導体の合成と特性評価","第26回日本MRS年次大会",,,,,,2016,Dec. "秋本恭平,保科拓也,鶴見敬章,武田博明","Ca2Al2SiO7結晶の材料定数とSAW特性","第26回日本MRS年次大会",,,,,,2016,Dec. "武田博明,保科拓也,鶴見敬章","ゲーレナイト結晶の圧電材料としての可能性","無機マテリアル学会第133回講演会",,,,,,2016,Nov. "Hiroaki Takeda,Kyohei Yoshida,Hiroki Okudera,Kheirreddine Lebbou,Takuya Hoshina,Takaaki Tsurumi","Growth, Electrical and Mechanical Characterization of Modified Calcium Aluminate Silicate Piezoelectric Single Crystals","IUMRS-ICA",,,,,,2016,Oct. "鶴見敬章,山崎幹雄,保科拓也,武田博明","セラミックス誘電体の絶縁破壊機構とその温度依存性",,"セラミックス",,"Vol. 51",,,2016,Oct. "Hiroaki Takeda,Kyohei Yoshida,Hiroki Okudera,Kheirreddine Lebbou,Takuya Hoshina,Takaaki Tsurumi","Growth and characterization of gehlenite-based piezoelectric single crystals","The 8th Japan-China Symposium on Ferroelectric Materials and Their Applications",,,,,,2016,Oct. "佐瀬瑠一,保科拓也,武田博明,鶴見敬章","急速焼成によるLi7La3Zr2O12系セラミックスの作製と充放電特性の評価","第36回エレクトロセラミックス研究討論会",,,,,,2016,Oct. "鈴木究,野原直也,保科拓也,武田博明,鶴見敬章,坂部行雄","(Li, La)TiO3-SrTiO3系粒界層型半導体コンデンサの作製と評価","日本セラミックス協会第29回秋季シンポジウム",,,,,,2016,Sept. "Kotaro Takeda,Takuya Hoshina,Hiroaki Takeda,Takaaki Tsurumi","Electro-optic effect and photoelastic effect of feroelectric relaxors",,"Jpn. J. Appl. Phys.",,"Vol. 55",,"pp. 10TB05-1-4",2016,Sept. "武田博明,吉田京平,Kheirreddine Lebbou,奥寺浩樹,保科拓也,鶴見敬章","ゲーレナイト結晶の電気的・機械的特性に及ぼすSr 置換の影響","日本セラミックス協会第29回秋季シンポジウム",,,,,,2016,Sept. "Seiji Kojima,Kazuki Kanehara,Takuya Hoshina,Takaaki Tsurumi","Optical phonons and polariton dispersions of congruent LiNbO3 studied by far-infrared spectroscopic ellipsometry and Raman scattering",,"Jpn. J. Appl. Phys.",,"Vol. 55",,"pp. 10TC02-1-5",2016,Aug. "M. Sakurai,K. Kanehara,H. Takeda,T. Tsurumi,T. Hoshina","Wideband dielectric spectroscopy of (Sr0.7Bi0.2)TiO3 ceramics and its microscopic mechanism of polarization",,"J. Ceram. Soc. Jpn.",,"Vol. 124",,"pp. 664-667",2016,June "Takuya Hoshina,Akira Sahashi,Yuka Morimoto,Kazuki Kanehara,Hiroaki Takeda,Takaaki Tsurumi","Dielectric Property of Strontium Titanium Oxynitride Crystal","2016 Joint RCBJSF-IWRF Conference",,,,,,2016,June "小島誠治,金原一樹,保科拓也,鶴見敬章","遠赤外エリプソメータとラマン分光法によるLiNbO3の光学フォノンとポラリトンの研究","第33回強誘電体応用会議",,,,,,2016,May "保科 拓也,武田 博明,鶴見 敬章","BaTiO3の格子・ドメインダイナミクスと 誘電分極メカニズム","第33回強誘電体応用会議",,,,,,2016,May "Takuya Hoshina,Kazuki Kanehara,Hiroaki Takeda,Takaaki Tsurumi","Measurement of Dielectric Property in Terahertz Region Using Far-Infrared Ellipsometer","EMN Meeting on Terahertz 2016",,,,,,2016,May "吉田京平,武田博明,保科拓也,鶴見敬章","ゲーレナイト系固溶体結晶の育成と電気・機械特性評価","日本セラミックス協会2016年年会",,,,,,2016,Mar. "森本有香,金原一樹,保科拓也,武田博明,鶴見敬章","SrTiO?の誘電特性に対する酸素空孔と窒化の影響","日本セラミックス協会2016年年会",,,,,,2016,Mar. "金原 一樹,保科 拓也,武田 博明,鶴見 敬章","BaTiO3のorder-disorderモードのイオン分極への寄与","第63回応用物理学会春季学術講演会",,,,,,2016,Mar. "小島 誠治,金原 一樹,保科 拓也,鶴見 敬章","ニオブ酸リチウム結晶のE(x)光学振動モードとポラリトン分散関係 :遠赤外分光エリプソメトリーとラマン散乱法","第63回応用物理学会春季学術講演会",,,,,,2016,Mar. "野原直也,坂部行雄,保科拓也,武田博明,鶴見敬章","チタン酸リチウムランタンと半導体セラミックスを用いた高誘電率材料の研究","日本セラミックス協会2016年年会",,,,,,2016,Mar. "保立萌衣,金原一樹,保科拓也,武田博明,鶴見敬章","AD法を用いたSrTiO?ナノ粒子セラミックスの作製と電気特性の評価","日本セラミックス協会2016年年会",,,,,,2016,Mar. "石川諒馬,保科拓也,武田博明,鶴見敬章,坂部行雄","DLTS法によるSrTiO?系粒界絶縁層型コンデンサの電子トラップ準位の測定","日本セラミックス協会2016年年会",,,,,,2016,Mar. "山本隆大,保科拓也,武田博明,鶴見敬章","BaTiO?系リラクサー強誘電体セラミックスの電気光学効果測定","日本セラミックス協会2016年年会",,,,,,2016,Mar. "保科拓也","強誘電体微粒子・セラミックスのサイズ効果","ナノ粒子・構造応用研究会第12回公開講演会",,,,,,2016,Mar. "T. Tsurumi,R. Ishikawa,T. Hoshina,H. Takeda,Y. Sakabe","Concept of Solid State Ionic Capacitor for Future MLCCs","Electronic Materials and Applications 2016",,,,,,2016,Jan. "H. Takeda,K. Takizawa,K. Yoshida,T. Hoshina,T. Tsurumi","Potential of gehlenite single crystals for piezoelectric sensor applications","Electronic Materials and Applications 2016",,,,,,2016,Jan. "保科 拓也,佐橋 明,森本 有香,金原 一樹,武田 博明,鶴見 敬章","ペロブスカイト酸窒化物誘電体の作製","第25回MRS年次大会",,,,,,2015,Dec. "保科拓也,鶴見敬章","チタン酸バリウム微粒子・セラミックスのサイズ効果",,"セラミックス",,"Vol. 50","No. 11","pp. 856-870",2015,Nov. "Takaaki Tsurumi,Takuya Hoshina,Mikio Yamazaki,Hiroaki Takeda","Dielectric Breakdown Mechanism of Dielectric Ceramics for High-Temperature Capacitors","17th US-Japan Seminar on Dielectric and Piezoelectric Ceramics",,,,,,2015,Nov. "Hiroaki Takeda,Jun-ichi Yamaura,Takashi Nishida,Takuya Hoshina,Takaaki Tsurumi","Effects of aluminum substitution on the structure and electric properties of langasite family crystals",,"Crystal Research & Technology",,"Vol. 50","No. 12","pp. 944-949",2015,Nov. "武田博明,滝沢健太,保科拓也,鶴見敬章","ゲーレナイト結晶の各種圧電センサ応用へ可能性","第35回エレクトロセラミッス研究討論会",,,,,,2015,Oct. "鶴見敬章,武田博明,保科拓也,坂部行雄","セラミックスキャパシタの将来像と固体イオンキャパシタの提案","第35回エレクトロセラミッス研究討論会",,,,,,2015,Oct. "保科 拓也,金原 一樹,武田 博明,鶴見 敬章","遠赤外エリプソメータを用いた テラヘルツ領域の誘電特性評価","第35回エレクトロセラミックス研究討論会",,,,,,2015,Oct. "櫻井元春,金原一樹,保科拓也,武田博明,鶴見敬章","Bi置換SrTiO3セラミックスの誘電分散","第35回エレクトロセラミッス研究討論会",,,,,,2015,Oct. "石川諒馬,保科拓也,武田博明,鶴見敬章,坂部行雄","SrTiO3系ナノ粒子を用いた新規粒界絶縁コンデンサの開発","第35回エレクトロセラミッス研究討論会",,,,,,2015,Oct. "鶴見敬章,山崎幹雄,武田博明,保科拓也","高温用セラミックキャパシターの絶縁破壊メカニズム","日本セラミックス協会第28回秋季シンポジウム",,,,,,2015,Sept. "R. Yamamoto,T. Hoshina,H. Takeda,T. Tsurumi","Development of microscopic measurement system for electro-optic effect",,"Journal of the Ceramic Society of Japan",,"Vol. 123","No. 9","pp. 929-932",2015,Sept. "保科 拓也,櫻井元春,武田博明,鶴見敬章","Bi置換SrTiO3セラミックスの広帯域誘電スペクトル測定","第76回応用物理学会秋季学術講演会",,,,,,2015,Sept. "武田博明,堆仁美,M. A. Zubair,保科拓也,坂部行雄,鶴見敬章","大気中焼成による非鉛PTC セラミックスの作製","日本セラミックス協会第28回秋季シンポジウム",,,,,,2015,Sept. "保科 拓也,佐橋 明,森本 有香,金原 一樹,武田 博明,鶴見 敬章","ペロブスカイト型酸窒化物誘電体の作製と評価","日本セラミックス協会第28回秋季シンポジウム",,,,,,2015,Sept. "櫻井元春,金原一樹,保科拓也,武田博明,鶴見敬章","Bi 置換SrTiO?セラミックスの分極応答の解明","日本セラミックス協会第28回秋季シンポジウム",,,,,,2015,Sept. "武田博明,滝沢健太,吉田京平,保科拓也,鶴見敬章","メリライト型圧電結晶の合成と電気的特性評価","日本セラミックス協会第28回秋季シンポジウム",,,,,,2015,Sept. "Hiroaki Takeda,Hitomi Akutsu,Mohammad A. Zubair,Takuya Hoshina,Takaaki Tsurumi","Synthesis and Characterization of Lead Free Air Sintered BaTiO3?(Bi1/2A1/2)TiO3 (A=Na,K) based Semiconducting Ceramics by Alkali-Earth Metal Oxide Addition","The 11th International Conference of Pacific Rim Ceramic Societies(PacRim-11)",,,,,,2015,Sept.