論文

• Xueyou Yuan, Kazuki Okamoto, Mitsuki Kawano, Masahito Yoshino, Takanori Nagasaki, Yasuhiko Imai, Osami Sakata, Tomoaki Yamada. Extraordinarily Large Contribution Ratio of Ferroelastic Domain Switching to Piezoresponse in Monoclinic (K, Na)NbO3 Films, Advanced Electronic Materials, Oct. 2023.
• Miki Nakahata, Kazuki Okamoto, Keisuke Ishihama, Tomoaki Yamada, Hiroshi Funakubo. In-situ X-ray diffraction analysis of intrinsic and extrinsic piezoelectric response in (100)/(001)-oriented tetragonal multidomain Pb(Zr,Ti)O3 films epitaxially grown on Si substrates, Jpn. J. Appl. Phys., vol. 62, no. SM, pp. 1020-1-7, Aug. 2023.
• Yoshitaka Ehara, Takaaki Nakashima, Daichi Ichinose, Shimizu Takao, Takahisa Shiraishi, OSAMI SAKATA, Tomoaki Yamada, Shintaro Yasui, ken nishida, HIROSHI FUNAKUBO. Film thickness dependence of in-plane ferroelastic domain structure in constrained tetragonal PbTiO3 films induced by isotropic tensile strain, Appl. Phys. Lett., 121, 262901, Dec. 2022.
• Reijiro Shimura, Takanori Mimura, Akinori Tateyama, Takahisa Shiraishi, Takao Shimizu, Tomoaki Yamada, Yoshitomo Tanaka, Yukari Inoue, Hiroshi Funakubo. No-Heating Deposition of 1-μm-Thick Y-Doped HfO2 Ferroelectric Films with Good Ferroelectric and Piezoelectric Properties by Radio Frequency Magnetron Sputtering Method, Phys. Status Solidi RRL, Early View, Jan. 2022.
• Tomoya Sato, Masanori Kodera, Daichi Ichinose, Takanori Mimura, Takao Shimizu, Tomoaki Yamada, Hiroshi Funakubo. Domain structures induced by tensile thermal strain in epitaxial PbTiO3 films on silicon substrates, J. Appl. Phys., Vol. 131, pp. 035301-1-9, Jan. 2022.
• Shinya Kondo, Reijiro Shimura, Takashi Teranishi, Akira Kishimoto, Takanori Nagasaki, Hiroshi Funakubo, Tomoaki Yamada. Influence of orientation on electro-optic effect in epitaxial Y-doped HfO2 ferroelectric thin films, Jpn. J. Appl. Phys., Vol. 60, pp. SFFB13-1-5, Aug. 2021.
• Yoshitaka Ehara, Daichi Ichinose, Masanori Kodera, Takahisa Shiraishi, Takao Shimizu, Tomoaki Yamada, Ken Nishida, Hiroshi Funakubo. Influence of cooling rate on ferroelastic domain structure for epitaxial (100)/(001)-oriented Pb(Zr, Ti)O3 thin films under tensile strain, Jpn. J. Appl. Phys., Vol. 60, pp. SFFB07-1-6, July 2021.
• Shinya Kondo, Reijiro Shimura, Takashi Teranishi, Akira Kishimoto, Takanori Nagasaki, Hiroshi Funakubo, Tomoaki Yamada. Linear electro-optic effect in CMOS-compatible ferroelectric HfO2-based epitaxial thin films, Jpn. J. Appl. Phys. RAPID COMMUNICATION, Vol. 60, pp. 070905, June 2021.
• Reijiro Shimura, Takanori Mimura, Akinori Tateyama, Takao Shimizu, Tomoaki Yamada, Hiroshi Funakubo. Preparation of 1 μm-thick Y-doped HfO2 ferroelectric films on (111)Pt/TiOx/SiO2/(001)Si substrates by a sputtering method and their ferroelectric and piezoelectric properties, Jpn. J. Appl. Phys., vol. 60, pp. 031009, Mar. 2021.
• Daichi Ichinose, Takao Shimizu, Osami Sakata, Tomoaki Yamada, Yoshitaka Ehara, Hirosh Funakubo. Domain structure transition in compressive strained (100)/(001) epitaxial tetragonal PZT film, J. Appl. Phys., vol. 129, pp. 024101-1-6, Jan. 2021.
• Yoshitaka Ehara, Takaaki Nakashima, Daichi Ichinose, Takao Shimizu, Tomoaki Yamada, Ken Nishida, Hiroshi Funakubo. Temperature dependence on the domain structure of epitaxial PbTiO3 films grown on single-crystal substrates with different lattice parameters, Jpn. J. Appl. Phys., vol. 59, pp. SPPB01-1-5, July 2020.
• Kazuki Okamoto, Tomoaki Yamada, Kentaro Nakamura, Hidenori Takana, Osami Sakata, Mick Phillips, Takanori Kiguchi, Masahito Yoshino, Hiroshi Funakubo, Takanori Nagasaki. Enhanced intrinsic piezoelectric response in (001)-epitaxial single c-domain Pb(Zr,Ti)O3 nanorods, Appl. Phys. Lett., vol. 117, pp. 042905-1-5, July 2020.
• Mitsumasa Nakajima, Takao Shimizu, Hiroshi Nakaki, Tomoaki Yamada, Ayumi Wada, Takaaki Nakashima, Yoshitaka Ehara, Hiroshi Funakubo. Large electromechanical responses driven by electrically induced dense ferroelastic domains:beyond morphotropic phase boundary, ACS Appl. Electron. Mater. 2020, vol. 2, pp. 1908−1916, June 2020.
• Naoya Oshima, Kiyoshi Uchiyama, Yoshitaka Ehara, Takahiro Oikawa, Hiroki Tanaka, Tomoya Sato, Hiroshi Uchida, Tomoaki Yamada, Hiroshi Funakubo. Influence of Internal Strains of (110)-One-Axis-Oriented (Ba0.5Sr0.5)TiO3 (BST) Thin Films on Their Dielectric Behaviors, Science of Advanced Materials, vol. 9, pp. 1806–1809, Oct. 2017.
• Tomoaki Yamada, Shogo Matsuo, Takafumi Kamo, Hiroshi Funakubo, Masahito Yoshino, Takanori Nagasaki. Experimental study of effect of strain on electrocaloric effect in (001)-epitaxial (Ba,Sr)TiO3 thin films, Japanese Journal of Applied Physics, vol. 56, pp. 10PF15-1-5, Sept. 2017.

国際会議発表 (査読有り)

• Tomoaki Yamada, Daisuke Ito, Tomas Sluka, Nava Setter, Osami Sakata, Takahiro Namazu, Hiroshi Funakubo, Masahito Yoshino, Takanori Nagasaki. Domain formation in Pb(Zr,Ti)O3 nanorods driven by depolarizing field, ICE2017(8th International Conference on Electroceramics), May 2017.
• Shogo Matsuo, Tomoaki Yamada, Takafumi Kamo, Hiroshi Funakubo, Masahito Yoshino, Takanori Nagasaki. Indirect measurements of electrocaloric effect in (001) (Ba, Sr)TiO3 thin films by positive-up-negative-down method, ICE2017(8th International Conference on Electroceramics), May 2017.
• S. Matsuo, T. Yamada, T. Kamo, H. Funakubo, M. Yoshino, T. Nagasaki. Nonlinear electric field dependence of electrocaloric effect in (001)-epitaxial (Ba, Sr) TiO3 thin films, 2017 Joint IEEE ISAF-IWATMD-PFM Conference, May 2017.
• Tomoaki Yamada, D. Ito, T. Sluka, N. Setter, O. Sakata, T. Namazu, H. Funakubo, M. Yoshino, T. Nagasaki. Manipulation of Domain Structure in {100} Tetragonal Pb(Zr, Ti)O3 Nanorods by Charge Screening, 2017 Joint IEEE ISAF-IWATMD-PFM Conference, May 2017.
• S. Matsuo, T. Yamada, M. Yoshino, T. Nagasaki, T. Kamo, H. Funakubo. Nonlinear Electric Field Dependence of Electrocaloric Effect in (001)-epitaxial (Ba, Sr) TiO3 Thin Films, Proc. IEEE ISAF-IWATMD-PFM 2017, pp. 68-70, 2017.

国際会議発表 (査読なし・不明)

• Hiroshi Funakubo, Kazuki Okamoto, Takao Shimizu, Tomoaki Yamada. Progress of Research on None-Perovskite Dielectric Materials, STAC-D2MatE 2024 (The International Conference on the Science and Technology for Advanced Ceramics – Data Driven Materials Research for Electronics 2024), Feb. 2024.
• Kazuki Okamoto, Yasuhiko Imai, Osami Sakata, Masahito Yoshino, Takanori Nagasaki, Tomoaki Yamada. Enhancement of effective piezoelectric response in tetragonal (111) Pb(Zr,Ti)O3 nanorods, Fundamental Physics of Ferroelectrics and related materials, Feb. 2023.
• Tomoaki Yamada, Yuto Ota, Xueyou Yuan, Daisuke Ichinose, Yoshitaka Ehara, Takao Shimizu, Masahito Yoshino, Hiroshi Funakubo, Takanori Nagasaki. Domain Structure Evolution in Tensile-strained (PbxSr1-x)TiO3 Thin Films below 50 nm Thickness, ISFD-15 (15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures), Aug. 2022.
• Hiroshi Funakubo, Daichi Ichinose, Yoshitaka Ehara, Takao Shimizu, Osami Sakata, Tomoaki Yamada. Domain structure change by applying an electric field in dominantly in-plane-polarized (100)/(001)-oriented tetragonal Pb(Zr,Ti)O3 films, ISFD-15 (15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures), Aug. 2022.
• T. Yamada, S. Kondo, H. Funakubo, T. Nagasaki. Advancement of electro-optic effect in ferroelectric thin films: controlling classical ferroelectrics and exploring emerging ferroelectrics, PacRim 14 (14th Pacific Rim Conference on Ceramic and Glass Technology), Dec. 2021.
• Shinya Kondo, Reijiro Shimura, Takashi Teranishi, Akira Kishimoto, Takanori Nagasaki, Hiroshi Funakubo, Tomoaki Yamada. Electro-optic properties in ferroelectric HfO2-based epitaxial thin films, MRM 2021 (Materials Research Meeting 2021), Dec. 2021.
• Tomoaki Yamada, Yuto Ota, Masahito Yoshino, Daisuke Ichinose, Takao Shimizu, Hiroshi Funakubo, Takanori Nagasaki. Two-step Phase Transition Behavior in Tensile-strained (PbxSr1-x)TiO3 Thin Films below 50 nm Thickness, 2021 ISAF-ISIF-PFM Joint Conference, May 2021.
• Takao Shimizu, Yoshitaka Ehara, Takanori Mimura, Shintaro Yasui, Tomoaki Yamada, Yasuhiko Imai, Yoshio Katsuya, Osami Sakata, Hiroshi Funakubo. The Domain Switching in Rhombohedral PZT Observed by In Situ X-Ray Diffraction Study by Various Frequencies, 2019 MRS Fall Meeting & Exhibi, Dec. 2019.
• T. Yamada, D. Ito, T. Sluka, O. Sakata, H. Funakubo, T. Namazu, M. Yoshino, N. Setter, T. Nagasaki. Charge Screening Strategy for Controlling Domain Structure and Piezoelectric Property in Ferroelectric Nano-Rods, IFAAP 2018 (2018 ISAF-FMA-AMF-AMEC-PFM Joint Conference), May 2018.
• T. Shimizu, N. Oshima, T. Sato, D. Ichinose, T. Yamada, O. Sakata, H. Funakubo. Direct and qualitative characterization of the 90° domain switching under applying electric field in tetragonal Pb(Zr, Ti)O3 film, 2018 PiezoMEMS Workshop, Jan. 2018.
• Tomoaki Yamada, Daisuke Ito, Tomas Sluka, Osami Sakata, Hiroshi Funakubo, Takahiro Namazu, Masahito Yoshino, Takanori Nagasaki, Nava Setter. Domain pattern control in Pb(Zr, Ti)O3 nanorods via charge screening strategy, 18th US-Japan Seminar on Dielectric and Piezoelectric Materials, Nov. 2017.
• Daichi Ichinose, Yoshitaka Ehara, Takao Shimizu, Osami Sakata, Tomoaki Yamada, Hiroshi Funakubo. Domain structure change by applying electric field of dominantly in-plane-polarized (100)/(001)-oriented tetragonal Pb(Zr, Ti)O3 thin film, 18th US-Japan Seminar on Dielectric and Piezoelectric Materials, Nov. 2017.
• Daichi Ichinose, Yoshitaka Ehara, Takao Shimizu, Osami Sakata, Tomoaki Yamada, Alexei. Gruverman, Hiroshi Funakubo. Domain structure change by applying electric field of dominantly in-plane-polarized Pb(Zr,Ti)O3 thin film, STAC-10 (The Tenth International Conference on the Science and Technology for Advanced Ceramics), Aug. 2017.
• Hiroshi Funakubo, Daichi Ichinose, Tomoya Sato, Takao Shimizu, Osami Sakata, Tomoaki Yamada. Domain Structure propagation of tensile-strained {100}-oriented epitaxial tetragonal Pb(Zr, Ti)O3 films, PACRIM 12 (12th Pacific Rim Conference on Ceramic and Glass Technology), May 2017.

国内会議発表 (査読なし・不明)

• 中畑美紀, 岡本一輝, 石濱圭佑, 清水荘雄, 小金澤智之, 仲谷友孝, 坂田修身, 山田智明, 舟窪浩. (100)/(001)配向正方晶Pb(Zr,Ti)O3膜における結晶構造のその場観察, 第71回応用物理学会春季学術講演会, Mar. 2024.
• 小野友慈, 近藤真矢, 寺西貴志, 岡本一輝, 舟窪浩, 山田智明, 岸本昭. RFマグネトロンスパッタリング法によるSi基板上への強誘電体HfO2基薄膜の作製, 第29回ヤングセラミスト・ミーティング, Nov. 2023.
• 藤田隼輔, 近藤真矢, 寺西貴志, 岡本一輝, 舟窪浩, 山田智明, 岸本昭. パルスレーザー堆積法を用いたウルツ鉱型強誘電体ZnO基固溶体薄膜の作製, 第29回ヤングセラミスト・ミーティング, Nov. 2023.
• Xueyou Yuan, Yuto Ota, Daichi Ichinose, Takao Shimizu, Kazuki Okamoto, Yoshitaka Ehara, Masahito Yoshino, Takanori Nagasaki, Hiroshi Funakubo, Tomoaki Yamada. Domain architecture engineering of tensile-strained (PbxSr1-x)TiO3 thin films, 第84回応用物理学会秋季学術講演会, Sept. 2023.
• Xueyou Yuan, Yuto Ota, Daichi Ichinose, Takao Shimizu, Kazuki Okamoto, Yoshitaka Ehara, Masahito Yoshino, Takanori Nagasaki, Hiroshi Funakubo, Tomoaki Yamada. Domain architecture engineering of tensile-strained (PbxSr1-x)TiO3 thin films, 第84回応用物理学会秋季学術講演会, Sept. 2023.
• 山田智明, Yuan Xueyou, 太田悠登, 清水荘雄, 岡本一輝, 吉野正人, 舟窪浩, 長崎正雅. 引張歪み(PbxSr1-x)TiO3極薄膜の特異なドメイン構造と相転移, 日本セラミックス協会第36回秋季シンポジウム, Sept. 2023.
• 中畑美紀, 岡本一輝, 石濱圭佑, 山田智明, 舟窪浩. 正⽅晶Pb(Zr,Ti)O3膜における内因的及び外因的な圧電応答の膜厚依存性, 第40回強誘電体会議（FMA40）, May 2023.
• 山田智明, 舟窪浩, 坂田修身. 放射光時間分解XRDによる強誘電体ナノ構造の電場応答の解明と制御, 第83回応用物理学会秋季学術講演会, Sept. 2022.
• 近藤真矢, 志村礼司郎, 寺西貴志, 岸本昭, 長崎正雅, 舟窪浩, 山田智明. Y添加HfO2強誘電体エピタキシャル薄膜の電気光学効果, 第82回応用物理学会秋季学術講演会, Sept. 2021.
• 近藤真矢, 志村礼司郎, 舟窪浩, 寺西貴志, 岸本昭, 山田智明. エピタキシャルHfO2基強誘電体薄膜の電気光学特性, 第38回強誘電体会議（FMA 38）, June 2021.
• 江原祥隆, 一ノ瀬大地, 小寺正徳, 森川友秀, 白石貴久, 清水荘雄, 山田智明, 舟窪浩, 西田謙. 面内引張り歪みを持つ正方晶 Pb(Zr, Ti)O3エピタキシャル薄膜の冷却条件によるドメイン構造への影響, 第38回強誘電体会議（FMA 38）, June 2021.
• Xueyou Yuan, Yuto Ota, Masahito Yoshino, Takanori Nagasaki, Yoshitaka Ehara, Takao Shimizu, Hiroshi Funakubo, Tomoaki Yamada. Effects of composition and thickness on the domain structure in tensile-strained (PbxSr1-x)TiO3 thin films, 第38回強誘電体会議（FMA 38）, June 2021.
• 舘山明紀, 伊東良晴, 白石貴久, 清水荘雄, 黒澤実, 折野裕一郎, 山田智明, 舟窪浩. 水熱合成法で合成した (K, Na)NbO3膜における圧電特性の周波数依存性, 第38回強誘電体会議（FMA 38）, June 2021.
• 清水荘雄, 江原祥隆, 三村和仙, 安井伸太郎, 山田智明, 今井康彦, 坂田修身, 舟窪浩. 時間分解XRD測定による周期電界下における菱面体PZTの(111)/(-111)ドメイン構造の観察, 第14回物性科学領域横断研究会（領域合同研究会）, Dec. 2020.
• 江原祥隆, 一ノ瀬大地, 中島崇明, 清水荘雄, 山田智明, 舟窪浩, 西田謙. 格子定数の異なる単結晶基板上に作成したPbTiO3 エピタキシャル薄膜の構造変化, 第37回強誘電体会議（FMA 37）, May 2020.
• 江原祥隆, 中島崇明, 一ノ瀬大地, 清水荘雄, 西田謙, 山田智明, 舟窪浩. 面内分極配向したPbTiO3薄膜のa1/a2ドメイン構造の膜厚依存, 第67回応用物理学会春季学術講演会, Mar. 2020.
• 太田悠登, 山田智明, 吉野正人, 清水荘雄, 舟窪浩, 長崎正雅. 引張応力下(PbXSr1-X)TiO3薄膜の膜厚がドメイン構造に与える影響, 第39回電子材料研究討論会, Nov. 2019.
• 太田悠登, 山田智明, 吉野正人, 清水荘雄, 舟窪浩, 長崎正雅. (PbxSr1-x)TiO3薄膜における組成及び膜厚がドメイン構造に及ぼす影響, 第80回応用物理学会秋季学術講演会, Sept. 2019.
• 清水荘雄, 江原祥隆, 三村和仙, 安井伸太郎, 山田智明, 今井康彦, 勝矢良雄, 坂田修身, 舟窪浩. 時間分解放射光X線回折を用いた菱面体晶 PZTにおける非180˚ドメインスイッチングの周波数応答 特性の評価, 第79回応用物理学会秋季学術講演会, Sept. 2018.
• 山田智明, 岡本一輝, 坂田修身, 舟窪浩, 吉野正人, 長崎正雅. パルスレーザー堆積法による圧電Pb(Zr,Ti)O3ナノロッドの成長および物性制御, 日本セラミックス協会 第31回秋季シンポジウム, Sept. 2018.
• 山田智明, 岡本一輝, 伊藤大介, Song Jundong, Sluka Tomas, Setter Nava, 坂田修身, 舟窪浩, 吉野正人, 長崎正雅. 圧電ナノジェネレータに向けた強誘電体ナノロッドの成長と物性制御, 第65回応用物理学会春季学術講演会, Mar. 2018.
• 岡本一輝, 山田智明, 坂田修身, 清水荘雄, 舟窪浩, 吉野正人, 長崎正雅. (111)正方晶PbZr0.35Ti0.65O3 ナノロッドのサイズ制御による圧電特性の増大, 第37回エレクトロセラミックス研究討論会, Oct. 2017.
• 山田智明, 松尾翔吾, 加茂崇史, 三村和仙, 清水荘雄, 舟窪浩, 吉野正人, 長崎正雅. ペロブスカイト型および蛍石型強誘電体薄膜の電気熱量効果, 2017年強的秩序とその操作に関する第5回研究会, Sept. 2017.
• 佐藤智也, 一ノ瀬大地, 三村和仙, 清水荘雄, 山田智明, 舟窪浩. エピタキシャルPZT膜におけるマルチドメイン構造と面内歪の緩和, 第78回応用物理学会秋季学術講演会, Sept. 2017.
• 松尾翔吾, 山田智明, 三村和仙, 清水荘雄, 舟窪浩, 吉野正人, 長崎正雅. Y添加HfO2エピタキシャル薄膜における負の電気熱量効果, 第78回応用物理学会秋季学術講演会, Sept. 2017.
• 山田智明, 松尾翔吾, 加茂崇史, 舟窪浩, 吉野正人, 長﨑正雅. (001)エピタキシャル(Ba,Sr)TiO3薄膜における電気熱量効果の電場依存性, 第34回強誘電体応用会議（FMA34）, May 2017.

その他の論文・著書など

• 近藤真矢, 舟窪 浩, 山田智明. ハフニア基強誘電体薄膜の電気光学効果, セラミックスデータブック 2021/22, 工業製品技術協会（株式会社テクノプラザ）, 工業と製品 Vol. 49, No. 103, pp. 68-72, Dec. 2021.

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