論文

• Md SAIDUZZAMAN, Khandaker Monower HOSSAIN, Nobuhiro KUMADA, Sayaka YANAGIDA, Takahiro TAKEI, Yuji HANADA, Masanori NAGAO, Masaki AZUMA. Hydrothermal synthesis and crystal structure of a mixed-valence pyrochlore-type strontium bismuthate, (Sr_0.75Bi_0.25)₂Bi₂O_6.83, JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, Volume 128, Issue 9, 660-663, Sept. 2020.
• Yoshiharu Ito, Akinori Tateyama, Yoshiko Nakamura, Takao Shimizu, Minoru Kurosawa, Hiroshi Uchida, Takahisa Shiraishi, Takanori Kiguchi, Toyohiko J. Konno, Mutsuo Ishikawa, Nobuhiro Kumada, Hiroshi Funakubo. High yield preparation of (100)c-oriented (K,Na)NbO3 thick films by hydrothermal method using amorphous niobium source, J. Ceram. Soc. Jpn., vol. 128, no. 8, pp. 512-517, Aug. 2020.
• Akinori Tateyama, Yoshiharu Ito, Yoshiko Nakamura, Takao Shimizu, Yuichiro Orino, Minoru Kurosawa, Hiroshi Uchida, Takahisa Shiraishi, Takanori Kiguchi, Toyohiko J. Konno, Nobuhiro Kumada, Hiroshi Funakubo. Effects of starting materials on the deposition behavior of hydrothermally synthesized {100}c -oriented epitaxial (K,Na)NbO3 thick films and their ferroelectric and piezoelectric properties, J. Crystal Growth, Vol. 511, pp. 1-7, Apr. 2019.
• Md Saiduzzaman, Takahiro Takei, Sayaka Yanagida, Nobuhiro Kumada, Hena Das, Hirokazu Kyokane, Shogo Wakazaki, Masaki Azuma, Chikako Moriyoshi, Yoshihiro Kuroiwa. Hydrothermal Synthesis of Pyrochlore-Type Pentavalent Bismuthates Ca₂Bi₂O₇ and Sr₂Bi₂O₇, Inorganic Chemistry, Vol. 58, pp. 1759-1763, Jan. 2019.
• Mirza HK Rubel, Takahiro Takei, Nobuhiro Kumada, M Mozahar Ali, Akira Miura, Kiyoharu Tadanaga, Kengo Oka, Masaki Azuma, Eisuke Magome, Chikako Moriyoshi. Hydrothermal Synthesis, Structure, and Superconductivity of Simple Cubic Perovskite (Ba_{0. 62}K_{0. 38})(Bi_{0. 92}Mg_{0. 08}) O₃ with T _c∼ 30 K, Inorganic Chemistry, Feb. 2017.
• N. Kumada, A. Nakamura, Akira Miura, T. Takei, M. Azuma, H. Yamamoto, E. Magome, C. Moriyoshi, Y. Kuroiwa. Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO₄, Journal Of Solid State Chemistry, Vol. 245, pp. 30-33, Jan. 2017.
• Nobuhiro Kumada, Ayumi Nakamura, Akira Miura, Takahiro Takei, Masaki Azuma, Hajime Yamamoto, Eisuke Magome, Chikako Moriyoshi, Yoshihiro Kuroiwa. Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO 4, Journal of Solid State Chemistry, Vol. 245, pp. 30-33, Oct. 2016.
• Naa Octavianti, Nobuhiro Kumada, Miura Akira, Takahiro Takei, Masaki Azuma, Yoshihiro Kusano, Kengo Oka. High-Pressure Polymorph of NaBiO3, Inorganic chemistry, Vol. 55, No. 12, pp. 5747-5749, June 2016.
• Octavianti Naa, Nobuhiro Kumada, Akira Miura, Takahiro Takei, Masaki Azuma, Yoshihiro Kusano, Kengo Oka. High-Pressure Polymorph of NaBiO₃, Inorganic Chemistry, Vol. 55, No. 12, pp. 5747-5749, June 2016.
• Takahisa Shiraishi, Hiro Einishi, Takao Shimizu, Hiroshi Funakubo, Minoru Kurosawa, Hiroshi Uchida, Nobuhiro Kumada, Takanori Kiguchi, Toyohiko J. Konno. Crystal Structure and Compositional Analysis of Epitaxial (K0.56Na0.44)NbO3 Films Prepared by Hydrothermal Method, J. Mater. Res., Vol. 31, pp. 693-701, Mar. 2016.
• Mirza H. K. Rubel, Takahiro Takei, Nobuhiro Kumada, M. Mozahar Ali, Akira Miura, Kiyoharu Tadanaga, Kengo Oka, Masaki Azuma, Masatomo Yashima, Kotaro Fujii, Eisuke Magome, Chikako Moriyoshi, Yoshihiro Kuroiwa, James R. Hester, Maxim Avdeev. Hydrothermal Synthesis, Crystal Structure, and Superconductivity of a Double-Perovskite Bi Oxide, Chem Mater, Vol. 28, pp. 459-465, 2016.
• Nan Xu, Takahiro Takei, Akira Miura, Nobuhiro Kumada, Ken-ichi Katsumata, NOBUHIRO MATSUSHITA. Study on the Effect of Pt Intercalation into Layered Niobate Perovskite for Photocatalytic Behavior, Langmuir, Vol. 31, pp. 7660-7665, 2015.
• Mirza H.K. Rubel, Takahiro Takei, Nobuhiro Kumada, M.M. Ali, Akira Miura, Kiyoharu Tadanaga, K. Oka, M. Azuma, E. Magomae, C. Moriyoshi, Y. Kuroiwa. Hydrothermal synthesis of a new Bi-based (Ba_0.82K_0.18)(Bi_0.53Pb_0.47)O₃ superconductor, Journal of Alloys and Compounds, Vol. 634, pp. 208–214, 2015.
• Rubel Mirza H. K, Miura Akira, Takei Takahiro, Kumada Nobuhiro, Ali M. Mozahar, Nagao Masanori, Watauchi Satoshi, Tanaka Isao, Oka Kengo, Azuma Masaki, Magome Eisuke, Moriyoshi Chikako, Kuroiwa Yoshihiro, Islam A. K. M. Azharul. Superconducting Double Perovskite Bismuth Oxide Prepared by a Low-Temperature Hydrothermal Reaction, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Vol. 53, No. 14, pp. 3599-3603, Apr. 2014.
• Ichiro Fujii, Atsushi Shimamura, Kouichi Nakashima, Nobuhiro Kumada, HiroshiFunakubo, Yoshihiro Kuroiwa, Satoshi Wada. Preparation of Bismuth Based Perovskite Oxides and Their Electric Properties, Key Eng. Mater., Vol. 582, pp. 71-75, 2014.
• Ichiro Fujii, Atsushi Shimamura, Kouichi Nakashima, Nobuhiro Kumada, Hiroshi Funakubo, Yoshihiro Kuroiwa, Satoshi Wada. Preparation of Bismuth – Based Perovskites with Non-integer A and B Site Valence and Their Properties, Trans. Mat. Res. Soc. Japan, Vol. 38, No. 1, pp. 49-52, 2013.
• Watanabe Takayuki, Mikio Shimada, Toshiaki Aiba, Hisato Yabuta, Kaoru Miura, Kengo Oka, Masaki Azuma, Satoshi Wada, Nobuhiro Kumada. Structural Transformation of Hexagonal (0001)BaTiO3 Ceramics to Tetragonal (111)BaTiO3 Ceramics, JAPANESE JOURNAL OF APPLIED PHYSICS, Vol. 50, No. 9, pp. 09ND01-1-4, Sept. 2011.
• Atsushi Shimamura, Ichiro Fujii, Nobuhiro Kumada, Kouichi Nakashima, Masaki Azuma, Yoshihiro Kuroiwa, Shinichiro Kawada, Masahiko Kimura, Satoshi Wada. Single Phase Formation and Electric Properties of Bismuth Niobium Based Perovskite-type Oxides, Key Engineering Materials, Vol. 485, pp. 81-84, July 2011.
• M Azuma, Masaaki Matsuda, S Olga, Y Kusano, Y Shimakawa, N Kumada, Nozomi Onishi, M Tokunaga. Frustrated S=3/2 honeycomb antiferromagnet Bi3Mn4O12(NO3), Journal of Physics: Conference Series, Vol. 320, pp. 012005 1-7, 2011.
• H. Jiang, N. Kumada, Y. Yonesaki, T. Takei, N. Kinomura, M. Yashima, M. Azuma, K. Oka, Y. Shimakawa. Hydrothermal Synthesis of a New Double Perovskite-Type Bismuthate, (Ba0.75K0.14H0.11)BiO3•nH2O, Jpn. J. Appl. Phys., Vol. 48, pp. 010216-1-3, 2009.
• O. Smirnova, M. Azuma, N. Kumada, Y. Kusano, M. Matsuda, Y. Shimakawa, T. Takei, Y. Yonesaki, N. Kinomura. Synthesis, Crystal Structure and Magnetic Properties of Bi3Mn4O12(NO3) Oxynitrate Comprising S = 3/2 Honeycomb Lattice, J. Am. Chem. Soc., Vol. 131, pp. 8313-8317, 2009.
• W. Zhang, N. Kumada, Y. Yonesaki, T. Takei, N. Kinomura, T. Hayashi, M. Azuma, M. Takano. Ferroelectric perovskite-type barium copper niobate: BaCu1/3Nb2/3O3, Solid State Chem., Vol. 179, pp. 4052-4055, 2006.
• R. Yu, X. Xing, T. Saito, M. Azuma, M. Takano, D. Wang, Y. Chen, N. Kumada, N. Kinomura. A Novel Organically Templated Hybrid Open-Framework Manganese Phosphate-Oxalate, Solid State Sciences, Vol. 7, No. 2, pp. 221-226, 2005.

著書

• Masaki Azuma, Osamu Ohtaka, Nobuhiro Kumada. High-Pressure Synthesis of Solids, Encyclopedia of Inorganic and Bioinorganic Chemistry, John Wiley & Sons, Ltd, Sept. 2014.

国内会議発表 (査読有り)

• 安江 祐亮, 上野 慎太郎, 藤井一郎, 熊田伸弘, 村場善行, 細野秀雄, 和田智志. Rbを含むペロブスカイト型セラミックスの高圧反応焼結による作製, 応用物理学会, Sept. 2018.

国際会議発表 (査読なし・不明)

• Akinori Tateyama, Yoshiharu Ito, Yoshiko Nakamura, Takao Shimizu, Yuichiro Orino, Minoru Kurosawa, Hiroshi Uchida, Takahisa Shiraishi, Takanori Kiguchi, Toyohiko Konno, Nobuhiro Kumada, Takeshi Yoshimura, Hiroshi Funakubo. Characterization of Piezoelectric Coefficient E31, F for {100}-Oriented (K, Na)NbO3 Films Prepared by Hydrothermal Method, F2cπ2 2019 (Joint ISAF-ICE-EMF-IWPM-PFM meeting 2019), July 2019.
• Hiroshi Funakubo, Akinori Tateyama, Yoshiharu Ito, Yoshiko Nakamura, Takao Shimizu, Yuichiro Orino, Minoru Kurosawa, Hiroshi Uchida, Takahisa Shiraishi, Takanori Kiguchi, Toyohiko Konno, Nobuhiro Kumada. Growth of Orientation-Controlled (K,Na)NbO3 Thick Films at 240oC by Hydrothermal Method and Their Piezoelectric Applications, 2018 MRS Fall Meeting, Nov. 2018.
• Yoshiharu Ito, Akinori Tateyama, Yoshiko Nakamura, Takao Shimizu, Minoru Kurosawa, Hiroshi Funakubo, Hiroshi Uchida, Takahisa Shiraishi, Takanori Kiguchi, Toyohiko J Konno, Nobuhiro Kumada, Mutsuo Ishikawa. Growth of orientation-controlled epitaxial (K, Na)NbO3 films and their ferroelectric and piezoelectric properties, IWPMA2018 (International Workshop on Piezoelectric Materials and Applications in Actuators), Sept. 2018.
• A. Tateyama, Y. Ito, Y. Nakamura, T. Shimizu, Y. Orino, M. Kurosawa, H. Uchida, T. Shiraishi, T. Kiguchi, T.J. Konno, N. Kumada, H. Funakubo. Effect of Starting Material on the Deposition Behavior and Their Film Properties in Orientation-Controlled (K,Na)NbO3 Thick Films Prepared by Hydrothermal Method, IFAAP 2018 (2018 ISAF-FMA-AMF-AMEC-PFM Joint Conference), May 2018.
• Takahisa Shiraishi, Hiro Einishi, Minoru Kurosawa, Hiroshi Uchida, Nobuhiro Kumada, Takanori Kiguchi, Hiroshi Funakubo. Low Temperature Deposition of Epitaxial (K,Na)NbO3 Films using Hydrothermal Method, EMN 3CG 2015, Dec. 2015.

国内会議発表 (査読なし・不明)

• 井川遥菜, 有光直樹, 望月泰英, 松下祥子, 中島章, 森吉千佳子, 武井貴弘, 熊田伸弘, 磯部敏宏. 脱水・相転移モデルによる負熱膨張材料の熱的性質, 日本セラミックス協会2023年会, 日本セラミックス協会2023年会 講演予稿集, 日本セラミックス協会, Mar. 2023.  公式リンク  
  
• 油野剛志, 有光直樹, 望月泰英, 松下祥子, 中島章, 森吉千佳子, 武井貴弘, 熊田伸弘, 磯部敏宏. コールドシンタリング法によるZr2SP2O12焼成体の作製とその性質, 日本セラミックス協会2023年会, 日本セラミックス協会2023年会 講演予稿集, 日本セラミックス協会, Mar. 2023.  公式リンク  
  
• 伊東良晴, 舘山明紀, 中村美子, 清水荘雄, 黒澤実, 舟窪浩, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 熊田伸弘. 水熱合成法を用いた(K,Na)NbO3膜の原料の高効率化, 第36回強誘電体応用会議, May 2019.
• 舘山明紀, 伊東良晴, 中村美子, 清水荘雄, 折野裕一郎, 黒澤実, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 熊田伸弘, 吉村 武, 舟窪浩. 水熱合成法で作製した(K,Na)NbO３配向膜の圧電定数,e31,f, の評価, 第66回応用物理学会春季学術講演会, Mar. 2019.
• 伊東良晴, 舘山明紀, 中村美子, 清水荘雄, 黒澤実, 舟窪浩, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 熊田伸弘, 石河睦生. 水熱合成法による (KxNa1-x)NbO3厚膜のフレキシブル基材への製膜, 第38回エレクトロセラミックス研究討論会, Nov. 2018.
• 舟窪浩, 舘山明紀, 伊東良晴, 中村美子, 折野裕一郎, 黒澤実, 清水荘雄, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 石河睦生, 熊田伸弘. 水熱法で作製する非鉛圧電体圧膜, 第21回日本セラミックス協会北陸支部秋季研究発表会, Nov. 2018.
• 伊東良晴, 舘山明紀, 中村美子, 清水荘雄, 黒澤実, 舟窪浩, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 熊田伸弘, 石河睦生. 水熱合成法を用いたKNN膜の合成と物性, 第54回熱測定討論会, Oct. 2018.
• 舟窪浩, 舘山明紀, 伊東良晴, 中村美子, 折野裕一郎, 黒澤実, 清水荘雄, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 石河睦生, 熊田伸弘. 水熱合成(K,Na)NbO3 膜の厚膜化の検討, 日本セラミックス協会 第31回秋季シンポジウム, Sept. 2018.
• 舘山明紀, 伊東良晴, 中村美子, 清水荘雄, 折野裕一郎, 黒澤実, 内田寛, 白石貴久, 木口賢紀, 今野 豊彦, 石河睦生, 熊田伸弘, 舟窪浩. 水熱合成法で作製した(K,Na)NbO3配向膜の圧電特性評価, 第79回応用物理学会秋季学術講演会, Sept. 2018.
• 舘山明紀, 伊東良晴, 中村美子, 清水荘雄, 折野裕一郎, 黒澤実, 内田寛, 白石貴久, 木口賢紀, 今野 豊彦, 石河睦生, 熊田伸弘, 舟窪浩. 種々のNb原料から水熱合成法で作製した(K,Na)NbO３配向膜の合成と特性評価, 第65回応用物理学会春季学術講演会, Mar. 2018.
• 舘山明紀, 伊東良晴, 中村美子, 清水荘雄, 折野裕一郎, 黒澤実, 内田寛, 白石貴久, 木口賢紀, 今野豊彦, 熊田伸弘, 舟窪浩. 水熱合成法で作製した配向制御された(K, Na)NbO3膜の析出挙動に及ぼす出発原料の影響と得られた膜の特性評価, 第56回セラミックス基礎科学討論会, Jan. 2018.

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