Development of novel thermochromic inorganic materials and understanding of mechanistic aspects of thermochromism by structural anaylsis

2013 Fiscal Year Final Research Report

• Project/Area Number: 24850009
• Research Category: Grant-in-Aid for Research Activity Start-up
• Allocation Type: Single-year Grants
• Research Field: Functional materials chemistry
• Research Institution: Tokyo Institute of Technology
• Principal Investigator: FUJII Kotaro 東京工業大学, 理工学研究科, 助教 (30635123)
• Project Period (FY): 2012-08-31 – 2014-03-31
• Keywords: 金属酸化物 / X線回折 / 中性子回折 / 結晶構造解析

Research Abstract

Structural design based on the atomic size lead novel structural-typed metal-oxides. Crystal structure analysis based on the synchrotron X-ray and neutron diffraction data revealed their crystal structures and theoretical calculations were carried out by density functional theory to understand their electron density distribution. The obtained novel materials belong to a new perovskite-related structural type which has significantly different structural aspects from the previously known perovskite-related materials.

Research Products

• [Journal Article] New Perovskite-Related Structure Family of Oxide-Ion Conducting Materials NdBaInO_4 (2014)
  • Author(s): Kotar o Fujii, Yuichi Esaki, Kazuki Omoto, Masatomo Yashima, Akinori Hoshikawa, Toru Ishigaki, James R. Hester
  • Journal Title: Chem. Mat. Volume: 26(8) Pages: 2488-2491
  • Peer Reviewed
• [Journal Article] Experimental visualization of the Bi–O covalency in ferroelectric bismuth ferrite (BiFeO_3) by synchrotron X-ray powder diffraction analysis (2013)
  • Author(s): Kotar o Fujii, Hiroki Kato, Kazuki Omoto, Masatomo Yashima, Jun Chen, Xianran Xing
  • Journal Title: Phys. Chem. Chem. Phys. Volume: 15(18) Pages: 6779-6782
  • Peer Reviewed
• [Presentation] 酸化物イオン伝導体の新構造ファミリーの設計(2):新規構造型RBaInO_4(R :希土類)酸化物イオン伝導性材料の発見 (2014)
  • Author(s): 藤井孝太郎,江崎勇一,齋藤千紘,八島正知,尾本和樹
  • Organizer: 日本セラミックス協会年会
  • Place of Presentation: 慶応義塾大学(日吉キャンパス)(3E11)
  • Year and Date: 20140317-19
• [Presentation] 新規混合伝導体Y_<0.97>BaInO_<3.955>の結晶構造と電気的特性 (2014)
  • Author(s): 齋藤千紘,藤井孝太郎,尾本和樹,八島正知
  • Organizer: 日本セラミックス協会年会
  • Place of Presentation: 慶応義塾大学(日吉キャンパス)(1P068)
  • Year and Date: 20140317-19
• [Presentation] 新規混合伝導体A_xNd_<1-x>BaInO_<4.5-x/2>(A=Sr,Ba,La,Pr )の結晶構造と電気的特性 (2014)
  • Author(s): 江崎勇一,藤井孝太郎,尾本和樹,八島正知,石垣徹,星川晃範, James R. Hester
  • Organizer: 日本セラミックス協会年会
  • Place of Presentation: 慶応義塾大学(日吉キャンパス)(1P067)
  • Year and Date: 20140317-19
• [Presentation] 新規構造型を有するRBaInO_4(R=希土類)の結晶構造とイオン伝導 (2013)
  • Author(s): 藤井孝太郎,江崎勇一,齋藤千紘,八島正知,尾本和樹,星川晃範,石垣徹,James Hester
  • Organizer: 平成25年度日本結晶学会年会
  • Place of Presentation: 熊本大学(熊本)(13-OB-02)
  • Year and Date: 20131012-13
• [Presentation] 新規ペロブスカイト関連構造を有するYBaInO_4の合成と結晶構造解析 (2013)
  • Author(s): 齋藤千紘,藤井孝太郎,尾本和樹,八島正知,石垣徹
  • Organizer: 平成25年度日本結晶学会年会
  • Place of Presentation: 熊本大学(熊本)(12-P1A-04)
  • Year and Date: 20131012-13
• [Presentation] 新規混合伝導体Nd_<2-x>Ba_xInO_<4.5-x/2>の構造と電気的特性 (2013)
  • Author(s): 江崎勇一,藤井孝太郎,尾本和樹,八島正知,石垣徹, Su Jae Kim, Seongsu Lee, James Hester
  • Organizer: 平成25年度日本結晶学会年会
  • Place of Presentation: 熊本大学(熊本)(12-P2B-03)
  • Year and Date: 20131012-13
• [Presentation] Design Concept of Inter stitial Ion Conductors through the Higher-Valence d10 Dopant and J ahn-Teller Effect (2013)
  • Author(s): Masatomo Yashima, Hiroki Yamada, Sirikanda Nuansaeng, Tatsumi Ishihara
  • Organizer: The 19th International Conference on Solid State Ionics
  • Place of Presentation: The Kyoto International Conference Center (Japan)(Tue-B1-08)
  • Year and Date: 20130602-07
• [Presentation] 新規混合伝導体RBaInO_4(R:希土類)の結晶構造と電気伝導性 (2013)
  • Author(s): 藤井孝太郎,江崎勇一,齋藤千紘,八島正知,尾本和樹,星川晃範,石垣徹,James Hester
  • Organizer: 日本セラミックス協会第26回秋季シンポジウム
  • Place of Presentation: 信州大学(長野)(3M03)
  • Year and Date: 2013-09-06
• [Presentation] 新物質Nd_<2-x>Ba_xInO_<4.5-x/2>の結晶構造と電気的特性 (2013)
  • Author(s): 江崎勇一,藤井孝太郎,尾本和樹,八島正知,石垣徹,Sue Jae Kim,Seongusu Kim,James Hester
  • Organizer: 日本セラミックス協会第26回秋季シンポジウム
  • Place of Presentation: 信州大学(長野)(3M04)
  • Year and Date: 2013-09-06
• [Presentation] 新規混合伝導体BaNdInO_4の粉末未知結晶構造解析 (2013)
  • Author(s): 藤井孝太郎,江崎勇一,尾本和樹,八島正知
  • Organizer: 第93回日本化学会年会
  • Place of Presentation: 立命館大学(滋賀)(3G6-33)
  • Year and Date: 2013-03-24
• [Presentation] 新しいタイプの構造を有する新混合伝導体BaNdInO_4の発見 (2013)
  • Author(s): 藤井孝太郎,江崎勇一,尾本和樹,八島正知
  • Organizer: 2013年日本セラミックス協会年会
  • Place of Presentation: 東京工業大学(東京)(2K09)
  • Year and Date: 2013-03-18
• [Presentation] MEM electron density analysis of the fer roelectr ic BiFeO3 from synchrotron X-ray powder diffraction data (2012)
  • Author(s): Kotaro Fujii
  • Organizer: Asian Crystallographic Association Meeting (AsCA12)
  • Place of Presentation: Adelaide, Australia
  • Year and Date: 20121202-06
• [Presentation] 粉末X線未知結晶構造解析法による有機の転移現象明 (2012)
  • Author(s): 藤井孝太郎
  • Organizer: 日本セラミックス協会第25回秋季シンポジウム
  • Place of Presentation: 名古屋大学(愛知)(S0086)
  • Year and Date: 20120919-21
• [Patent(Industrial Property Rights)] ペロブスカイト関連化合物 (2014)
  • Inventor(s): 八島正知,藤井孝太郎,尾本和 樹,江崎勇一,齋藤千紘
  • Industrial Property Rights Holder: 八島正知,藤井孝太郎,尾本和 樹,江崎勇一,齋藤千紘
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 10-2014-0025923
  • Filing Date: 2014-03-05
  • Overseas
• [Patent(Industrial Property Rights)] 結晶性無機化合物 (2014)
  • Inventor(s): 八島正知,藤 井孝太郎,尾本和 樹,上田孝志朗,山田駿太郎
  • Industrial Property Rights Holder: 八島正知,藤 井孝太郎,尾本和 樹,上田孝志朗,山田駿太郎
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 特願2014-028463
  • Filing Date: 2014-02-18
  • Overseas
• [Patent(Industrial Property Rights)] ペロブスカイト関連化合物 (2014)
  • Inventor(s): 八島正知,藤 井孝太郎,尾本和 樹,江崎勇一,齋藤千紘
  • Industrial Property Rights Holder: 八島正知,藤 井孝太郎,尾本和 樹,江崎勇一,齋藤千紘
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 特願2014-008192
  • Filing Date: 2014-02-18
  • Overseas
• [Patent(Industrial Property Rights)] 複合酸化物 (2013)
  • Inventor(s): 八島正知,藤 井孝太郎,尾本和 樹,江崎勇一,齋藤千紘
  • Industrial Property Rights Holder: 八島正知,藤 井孝太郎,尾本和 樹,江崎勇一,齋藤千紘
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 特願2013-175611
  • Filing Date: 2013-08-27
  • Overseas
• [Patent(Industrial Property Rights)] 複合酸化物 (2013)
  • Inventor(s): 八島正知,藤 井孝太郎,尾本和 樹,上田孝志朗,山田駿太郎
  • Industrial Property Rights Holder: 八島正知,藤 井孝太郎,尾本和 樹,上田孝志朗,山田駿太郎
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 特願2013-175610
  • Filing Date: 2013-08-27
  • Overseas