論文

• Masamichi NISHIDE, Shintaro YOKOYAMA, Hiroshi FUNAKUBO, Takashi KATODA, Ken NISHIDA. Impact of stress on the crystal structural nonuniformity along the film thickness direction by microfabrication of Pb(Zr, Ti)O3 island with morphotropic phase boundary composition, Journal of the Ceramic Society of Japan, Vol. 127, No. 2, pp. 123-126, Feb. 2019.
• Shoji Okamoto, Satoshi Okamoto, Shintaro Yokoyama, Hiroshi Funakubo. Thickness and temperature dependences of dielectric properties of {111}-oriented epitaxial Pb(Mg1/3Nb2/3)O3 and 0.6Pb(Mg1/3Nb2/3)O3 ー 0.4PbTiO3 films, Jpn. J. Appl. Phys., Vol. 57, pp. 0902BA-1-5, June 2018.
• Shoji Okamoto, P. S. Sankara Rama Krishnan, Satoshi Okamoto, Shintaro Yokoyama, Kensuke Akiyama, Hiroshi Funakubo. In-plane orientation and composition dependences of crystal structure and electrical properties of {100}-oriented Pb(Zr, Ti)O3 films grown on (100) Si substrates by metal organic chemical vapor deposition, Jpn. J. Appl. Phys., vol. 56, pp. 10PF12-1-5, Sept. 2017.
• Akihiro Sumi, Takahiro Oikawa, Hitoshi Morioka, Shoji Okamoto, Shintaro Yokoyama, Takayuki Watanabe, Yoshitaka Ehara, Hiroshi Funakubo. Squarness Control in Polarization - Electric Field Hysteresis Curves in Rhombohedral Pb(Zr,Ti)O3 Films, Jpn. J. Appl. Phys., Vol. 52, pp. 04CD09-1-5, 2013.
• Masamichi Nishide, Shintaro Yokoyama, Hiroshi Funakubo, Takashi Katoda, Hiromi Shima, Ken Nishida, Takashi Yamamoto. Distribution of Crystal Structure in Epitaxial Pb(Zr0.42,Ti0.58)O3 Film Grown on (111)cSrRuO3// (111)SrTiO3 Substrate, Integ. Ferro., Vol. 133, pp. 54-60, 2012.
• Ken Nishida, Minoru Osada, Shintaro Yokoyama, Takafumi Kamo, Takashi Fujisawa, Keisuke Saito, Hiroshi Funakubo, Takashi Katoda, Takashi Yamamoto. Investigation of Oxygen vacancies in Micro-patterned PZT Thin Films using Raman spectroscopy, Key Engineering Materials, Vol. 421-422, pp. 135-138, 2010.
• Masamichi Nishide, Hiroshige Takeuchi, Takeshi Tai, Takashi Katoda, Shintaro Yokoyama, Shintaro Yasui, Hiroshi Funakubo, Ken Nishida, Takashi Yamamoto. Evaluation of Relative Volume Fraction of Tetragonal Phase and Rhombohedral Phase in Pb(Zr,Ti)O3 Film by Raman Spectroscopy, Integ. Ferro., Vol. 112, pp. 33–41, 2009.
• Hitoshi Morioka, Keisuke Saito, Shintaro Yokoyama, Takahiro Oikawa, Toshiyuki Kurosawa, Hiroshi Funakubo. Effect of film thickness on ferroelectric domain structure and properties of Pb(Zr0.35Ti0.65)O3/SrRuO3/SrTiO3 heterostructures, J. Mater.Sci., Vol. 44, pp. 5318-5324, 2009.
• Shintaro Yokoyama, Hiroshi Funakubo, Hitoshi Morioka, Keisuke Saito, Tomoaki Yamada, Mutsuo Ishikawa. Composition dependency of epitaxial Pb(Zr,Ti)O3 films with different film thickness, Ferroelectrics, Vol. 389, No. 1, pp. 10-17, 2009.
• ken nishida, takashi yamamoto, Minoru Osada, OSAMI SAKATA, Shigeru Kimura, Keisuke Saito, Masamichi Nishide, Takashi Katoda, Shintaro Yokoyama, HIROSHI FUNAKUBO. Orientation controlled deposition of Pb(Zr,Ti)O3 films using micron-size patterned SrRuO3 buffer layer, J. Mater.Sci., Vol. 44, pp. 5339-5344, 2009.
• Hiroshi Nakaki, Yong Kwan Kim, Shintaro Yokoyama, Rikyu Ikariyama, Hiroshi Funakubo, Ken Nishida, Keisuke Saito, Hitoshi Morioka, Osami Sakata. Strain-relaxed structure in (001)/(100)-oriented epitaxial Pb(Zr,Ti)O3 films grown on (100) SrTiO3 substrates by metal organic chemical vapor deposition, J. Appl. Phys., Vol. 105, No. 014107, pp. 1-5, 2009.
• Hiroshi Nakaki, Yong Kwan Kim, Shintaro Yokoyama, Rikyu Ikariyama, Hiroshi Funakubo, S. K. Streiffer, Ken Nishida, Keisuke Saito. “X-ray Analysis of Strain Relaxed Domain Structure in (100)/(001)-oriented epitaxial PbTiO3 thick films grown on (100)SrTiO3 substrates”, Mater. Res.Soc.Proc., Vol. 1034, pp. 1034-K10-35, 2008.
• Hiroshi Nakaki, Yong Kwan Kim, Shintaro Yokoyama, Rikyu Ikariyama, Hiroshi Funakubo, S.K. Streiffer, Ken Nishida, Keisuke Saito, Alexei Gruverman. Experimental evidence of strain relaxed domain structure in (100)/(001)-oriented epitaxial lead titanate thick films grown by metalorganic chemical vapor deposition, J. Appl. Phys., Vol. 104, pp. 064121-1 - 6, 2008.
• Hiroshi Nakaki, Yong Kwan Kim, Shintaro Yokoyama, Rikyu Ikariyama, Hiroshi Funakubo, Ken Nishida, Keisuke Saito. “Strain-relaxed structure in (001)/(100)-oriented epitaxial PbTiO3 films grown on (100) SrTiO3 substrates by metal organic chemical vapor deposition”, Appl. Phys. Lett., Vol. 91, pp. 112904-1-3., 2007.
• Shintaro Yokoyama, Hitoshi Morioka, Yong Kwan Kim, Hiroshi Nakaki, Hiroshi Funakubo, Keisuke Saito, Ken Nishida, Takashi Katoda. “Crystal structure and microstructure of epitaxial Pb(Zr,Ti)O3 films consisting of mixed phases with tetragonal and rhombohedral symmetries grown on (100)cSrRuO3//(100)SrTiO3 substrate by metalorganic chemical vapor deposition”, J. Mater. Res., Vol. 22, No. 6, pp. 1551-1557., 2007.
• Ken Nishida, Shintaro Yokoyama, Satoshi Okamoto, Keisuke Saito, Hiroshi Uchida, Seiichiro Koda, Takashi Katoda, Hiroshi Funakubo. “Single-phase Pb(Zn1/3Nb2/3)O3 thin films grown by metalorganic chemical vapor deposition: Effects of growth sequence and substrates”, Journal of Crystal Growth, Vol. 298, pp. 495-499, 2007.
• Ken Nishida, Yoshihisa Honda, Shintaro Yokoyama, Hiroshi Funakubo, Takashi Yamamoto, Keisuke Saito, Takashi Katoda. “Enhancement of field-induced strain by La substitution in epitaxial Pb(Zr,Ti)O3 films grown by metal organic chemical vapor deposition”, Appl. Phys. Lett., Vol. 90, pp. 262902-1-3., 2007.
• Kenji Takahashi, Makoto Nakayama, Shintaro Yokoyama, Takeshi Kimura, Eisuke Tokumitsu. Preparation of hafnium oxide films from oxygen-free Hf[N(C2H5)2]4 precursor and their properties, Applied Surface Science, No. 216, pp. 296-301, Jan. 2003.
• Shintaro Yokoyama, Tomohiko Ozeki, Takahiro Oikawa, Hiroshi Funakubo. “Self-Organized (100)-/(001)-Prepared Orientation in Pb(Zr,Ti)O3 Films Grown on Polycrystalline Substrates by Metalorganic Chemical Vapor Deposition, Integ. Ferro., Vol. 59, pp. 1429-1436, 2003.
• Shintaro Yokoyama, Yoshihisa Honda, Hitoshi Morioka, Gouji Asano, Takahiro Oikawa, Takashi Iijima, Hirohumi Matsuda, Hiroshi Funakubo. Compositional Dependence of Electrical Properties of Highly (100)-/(001)-oriented Pb(Zr, Ti)O3 Thick Films Prepared on Si Substrates by Metalorganic Chemical Vapor Deposition, Jpn. J. Appl. Phys., Vol. 42, Part 1, No. 9B, pp. 5922-5926, 2003.

国内会議発表 (査読有り)

• 舟窪浩, 中木寛, 碇山理究, 金容寬, 横山信太郎, 西田謙, 斎藤啓介. (100)/(001)配向PbTiO3エピタキシャル膜の新規ドメイン構造, 日本セラミックス協会2007年年会, 日本セラミックス協会2007年年会, 日本セラミックス協会2007年年会, Vol. 1A23, p. 4, Mar. 2007.

国内会議発表 (査読なし・不明)

• 岡本庄司, 岡本賢, 横山信太郎, 舟窪浩, 秋山賢輔. MOCVD法でSi基板上に作製した面内配向制御して作製したPZT薄膜における電気特性の組成依存性, 第34回強誘電体応用会議（FMA34）, May 2017.

その他の論文・著書など

• Hiroshi Funakubo, Takahiro Oikawa, Shintaro Yokoyama, Kuniharu Nagashima, Hiroshi Nakaki, Takashi Fujisawa, Rikyu Ikariyama, SHintaro Yasui, Keisuke Saito, Hitoshi Morioka, Hee Han, Sunggi Baik, Yong Kwan Kim, Toshimasa Suzuki. Epitaxially Grown Ferroelectric Thin Films for Memory Applications, Phase Transition, vol. 81, No. 7, pp. 667-678, 2008.

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