"Qiu min Liu,Hena Das,Takumi Nishikubo,Yuki Sakai,Ko Mibu,Tomoko Onoue,Takateru Kawakami,Tetsu Watanuki,Akihiko Machida,Xubin Ye,Jianhong Dai,Zhao Pan,Lei Hu,Satoshi Nakano,Masayuki Fukuda,Shiori Kihara,Koomok Lee,Takehiro Koike,Youwen Long,Masaki Azum","ressure Induced Amorphization of Pb2+ and Pb4+ in Perovskite PbFeO3",,"Chemistry of Materials",," 36",," 1899-1907",2024,Feb.
"酒井雄樹,Sergey A. Nikolaev,西久保匠,中島宏,森茂生,町田晃彦,綿貫徹,沖本洋一,松田雅昌,東正樹","ペロブスカイト型酸化物PbCoO3の温度誘起相転移","日本セラミックス協会2024年年会",,,,,,2024,
"小池 剛大,西久保 匠,酒井 雄樹,東 正樹","K2NiF4型化合物Sr2CrO4・Sr2CoO4の高圧合成と熱膨張評価","第62回セラミックス基礎科学討論会",,,,,,2024,
"酒井雄樹,Sergey A. Nikolaev,西久保匠,中島宏,森茂生,町田晃彦,綿貫徹,沖本洋一,松田雅昌,東正樹","ペロブスカイト型酸化物PbCoO3の温度誘起相転移","第64回高圧討論会",,,,,,2024,
"小池 剛大,西久保 匠,酒井 雄樹,東 正樹","K2NiF4型化合物Sr2CrO4・Sr2CoO4の高圧合成と熱膨張評価","第62回セラミックス基礎科学討論会",,,,,,2024,
"Takumi Nishikubo,Yuki Sakai,Masaichiro Mizumaki,Shogo Kawaguchi,Norihiko Oshime,Kento Sugawara,Ayumi Shimada,Kenji Ohwada,Akihiko Machida,Tetsu Watanuki,Kosuke Kurushima,Shigeo Mori,Takashi Miokawa,Masaki Azuma","Transition-type PbVO3 Based Negative Thermal Expansion Materials","International Conference on Powder and Powder Metallurgy(JSPMIC2023)",,,,,,2024,
"Takumi Nishikubo,Takashi Imai,Yuki Sakai,Masaichiro Mizumaki,Shogo Kawaguchi,Norihiro Oshime,Ayumu Shimada,Kento Sugawara,Kenji Ohwada,Akihiko Machida,Tetsu Watanuki,Kosuke Kurushima,Shigeo Mori,Takashi Mizokawa,Masaki Azuma","Domain structure observation and design of phase transition-type negative thermal expansion materials","The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4)",,,,,,2024,
"Yuki Sakai,Shiori Kihara,Shogo Wakazaki,Takumi Nishikubo,Masayuki Fukuda,Hena Das,Masaichiro Mizumaki,Ko Mibu,Akihiko Machida,Tetsu Watanuki,Masaki Azuma","Systematic charge distribution change in perovskite-type Bi0.5Pb0.5MO3 (M = 3d transition metal)","The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4)",,,,,,2024,
"Takumi Nishikubo,Yuki Sakai,Kengo Oka,Masaichiro Mizumaki,Tetsu Watanuki,Takashi Mizokawa,Masaki Azuma","Systematic charge distribution changes in Bi、Pb-3d transition metal perovskite oxides","Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23)",,,,,,2024,
"Yuki Sakai,Masaki Azuma","A-site and B-site charge ordering in perovskite-type PbCoO3","Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23)",,,,,,2024,
"Koomok Lee,Hena Das,Yuki Sakai,Takumi Nishikubo,Kei Shigematsu,Daiki Ono,Takehiro Koike,Naomi Kawamura,Masaichiro Mizumaki,Naoki Ishimatsu,Masaki Azuma","Emergence of weak ferromagnetism in High Spin Co3+ substituted BiFeO3","The 22nd Japan-Korea-Taiwan Symposium on Strongly Correlated Electron Systems (JKT22)",,,,,,2024,
"Koomok Lee,Hena Das,Yuki Sakai,Takumi Nishikubo,Kei Shigematsu,Daiki Ono,Takehiro Koike,Naomi Kawamura,Masaichiro Mizumaki,Naoki Ishimatsu,Masaki Azuma","Material Design for Low Power Consumption Multiferroic Memory using High Spin Co3+ substituted BiFeO3","第15回在日科協合同分科会",,,,,,2024,
"西久保 匠,酒井 雄樹,東 正樹","新規アニオン欠損秩序型ペロブスカイトBiNi1-xFexO2.8の構造と特異な電荷秩序","日本セラミックス協会2024年年会",,,,,,2024,
"Feiyu Qin,Lei Hu,Yingcai Zhu,Yuki Sakai,Shogo Kawaguchi,Akihiko Machida,Tetsu Watanuki,Yue-Wen Fang,Jun Sun,Xiangdong Ding,Masaki Azuma","Integrating abnormal thermal expansion and ultralow thermal conductivity into (Cd,Ni)2Re2O7 via synergy of local structure distortion and soft acoustic phonons",,"Acta Materialia",," 264",," 119544",2023,Nov.
"Takumi Nishikubo,Takashi Imai,Yuki Sakai,Masaichiro Mizumaki,Shogo Kawaguchi,Norihiro Oshime,Ayumu Shimada,Kento Sugawara,Kenji Ohwada,Akihiko Machida,Tetsu Watanuki,Kosuke Kurushima,Shigeo Mori,Takashi Mizokawa,Masaki Azuma","Polar−Nonpolar Transition-Type Negative Thermal Expansion with 11.1% Volume Shrinkage by Design",,"Chemistry of Materials",," 35",," 870-878",2023,Jan.
"Yuki Sakai,Kana Matsuno,Takumi Nishikubo,Masayuki Fukuda,Shogo Wakazaki,Masahito Ikeda,Kazuki Takahashi,Zhao Pan,Lei Hu,Masaki Azuma","Two Types of Negative Thermal Expansion Observed in PbCr1−xTixO3",,"Chemistry of Materials",," 35",," 1008-1015",2023,Jan.
"西久保匠,酒井雄樹,DAS Hena,東正樹","ペロブスカイトPbMnO3の電荷秩序状態の解明","第64回高圧討論会",,,,,,2023,
"西久保 匠,酒井 雄樹,大和田謙二,押目典宏,久留島康輔,森 茂生,東 正樹","PbVO3ベース負熱膨張物質の立方晶-正方晶相間ドメイン構造の観察","日本MRS年次大会",,,,,,2023,
"西久保匠,今井孝,酒井雄樹,水牧仁一朗,河口彰吾,押目典宏,島田歩,菅原健人,大和田謙二,町田晃彦,綿貫徹,久留島康輔,森茂生,溝川貴司,東正樹","PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察","日本物理学会第78回年次大会",,,,,,2023,
"柴田 勇介,吉田 駿之介,西久保 匠,酒井 雄樹,東 正樹","高エントロピー効果によるBサイト置換BiNiO3の負熱膨張の拡大","第33回日本MRS年次大会",,,,,,2023,
"劉 丘民,西久保 匠,酒井 雄樹,Hena Das,壬生 攻,尾上 智子,川上 隆輝,町田 晃彦,綿貫 徹,東 正樹","PbFeO3の圧力誘起相転移","第64回高圧討論会",,,,,,2023,
"小野 大樹,西久保 匠,酒井 雄樹,重松 圭,東 正樹","マルチフェロイック物質 BiFeO3 の 4d,5d 元素置換による弱強磁性化","粉体粉末冶金協会2023年度秋季大会",,,,,,2023,
"三宅 潤,小池 剛大,西久保 匠,酒井 雄樹,東 正樹","非晶質前駆体を用いたK2NiF4型負熱膨張材料の合成および探索","粉体粉末冶金協会2023年度秋季大会",,,,,,2023,
"Qiumin Liu,Hena Das,Takumi Nishikubo,Yuki Sakai,Ko Mibu,Tomoko Onoue,Takateru Kawakami,Tetsu Watanuki,Akihiko Machida,Masaki Azuma","Phase transition of PbFeO3 under high pressure","JSPM International Conference on Powder and powder Metallirgy（JSPMIC2023）",,,,,,2023,
"高橋 一樹,酒井 雄樹,西久保 匠,東 正樹","PbTiO3型巨大正方晶歪みを持つ BiCoO3の負熱膨張物質化","日本セラミックス協会第36回秋季シンポジウム",,,,,,2023,
"西久保 匠,今井 孝,酒井 雄樹,水牧 仁一朗,河口 彰吾,押目 典宏,島田 歩,菅原 健人,大和田 謙二,町田 晃彦,綿貫 徹,久留島 康輔,森 茂生,溝川 貴司,東 正樹","PbVO3の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察","日本セラミックス協会第36回秋季シンポジウム",,,,,,2023,
"劉丘民,西久保匠,酒井雄樹,Hena Das,壬生攻,尾上智子,川上隆輝,町田晃彦,綿貫徹,東正樹","PbFeO3の圧力誘起相転移","粉体粉末冶金協会2023年度春季",,,,,,2023,
"吉田駿之介,西久保匠,酒井雄樹,東正樹","BiNiO3系負熱膨張材料の動作温度範囲の制御","粉体粉末冶金協会2023年度春季",,,,,,2023,
"高橋一樹,酒井雄樹,久保匠,東正樹","PbTiO3型巨大c/a相BiCoO3の負熱膨張化の試み","粉体粉末冶金協会2023年度春季",,,,,,2023,
"大河内寛保,西久保匠,酒井雄樹,東正樹,山本隆文","高温高圧下のフラックス法を用いたバナジウム酸水素化物の単結晶育成","第61回セラミックス基礎討論会",,,,,,2023,
"小野 大樹,西久保 匠,酒井 雄樹,重松 圭,東 正樹","マルチフェロイック物質BiFeO3の４ｄ、５ｄ元素置換による弱強磁性化","日本セラミックス協会2023年年会",,,,,,2023,
"劉 丘民,西久保 匠,酒井 雄樹,ヘナ ダス,壬生 攻,尾上 智子,川上 隆照,町田 晃彦,綿貫 徹,東 正樹","PbFeO3の圧力誘起相転移","日本セラミックス協会2023年年会",,,,,,2023,
"酒井 雄樹,木原 汐里,若崎 翔吾,西久保 匠,福田 真幸,水牧 仁一郎,東 正樹","ペロブスカイト型酸化物Bi0.5Pb0.5MO3（M = 3d遷移金属）の系統的な電荷分布変化","第63回高圧討論会",,,,,,2023,
"酒井 雄樹,松野 夏奈,西久保 匠,東 正樹","ペロブスカイト型酸化物 PbCr1-xTixO3 の負熱膨張","粉体粉末冶金協会2023年度秋季大会",,,,,,2023,
"Hiroshi Nakajima,Akihiro Osako,NoriharuYodoshi,YoshiharuYamada,HirofumiTsukasaki,Ken Harada,Yuki Sakai,Kei Shigematsu,Takumi Nishikubo,Masaki Azuma,Shigeo Mori","Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys",,"Microscopy",,,,,2022,Aug.
"Takehiro Koike,Takumi Nishikubo,Yuki Sakai,Hirofumi Ishii,Masaki Azuma","Negative thermal expansion in PbTiO3-type perovskites oxide Bi0.5+xNa0.5−xVO3",,"Journal of the Ceramic Society of Japan?",," 130"," 8"," 691-695",2022,Aug.
"Shiori Kihara,Yuki Sakai,Shogo Wakazaki,Takumi Nishikubo,Takehiro Koike,Ko Mibu,Hongwu Yu,Yoichi Okimoto,Shin-ya Koshihara,Masaki Azuma","Bi0.5Pb0.5FeO3 with Unusual Pb Charge Disproportionation: Indication of a Systematic Charge Distribution Change in Bi0.5Pb0.5MO3 (M: 3d Transition Metal)",,"Inorganic Chemistry",," 61"," 32"," 12822-12827",2022,Aug.
"東 正樹,岡 研吾,山本 孟,酒井 雄樹","巨大負熱膨張材料の研究",,"粉体および粉末冶金",," 69",," 356-361",2022,Aug.
"Teppei Nagase,Takumi Nishikubo,Masayuki Fukuda,Yuki Sakai,Kei Shigematsu,Yoichi Ikeda,Yusuke Nambu,Zhang Qiang,masaaki matsuda,Kou Mibu,Masaki Azuma,Takafumi Yamamoto","SrV0.3Fe0.7O2.8: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance",,"Inorganic Chemistry",,"Vol. 61","No. 24","pp. 8987-8991",2022,June
"Zhao Pan,Koike Takehiro,Takumi Nishikubo,Lei Hu,Qiumin Liu,Yuki Sakai,Shogo Kawaguchi,Masaki Azuma","Realization of Negative Thermal Expansion in Lead-Free Bi0.5K0.5VO3 by the Suppression of Tetragonality",,"Inorganic Chemistry",," 61"," 8"," 3730?3735",2022,Feb.
"伊藤 龍寿,大見 拓也,西久保 匠,酒井 雄樹,重松 圭,東 正樹,山本 隆文","Co2+を利用したチオシアン酸アニオンを含む新規有機-無機ハイブリッド化合物 の構造と磁性","日本セラミックス協会 第 35 回秋季シンポジウム",,,,,,2022,
"Takumi Nishikubo,Takashi Imai,Yuki Sakai,Masaichiro Mizumaki,Shogo Kawaguchi,Norihiro Oshime,Ayumu Shimada,Kento Sugawara,Kenji Ohwada,Akihiko Machida,Tetsu Watanuki,Kosuke Kurushima,Shigeo Mori,Takashi Mizokawa,Masaki Azuma","Domain Structure Observation and Design of Phase Transition-type Negative Thermal Expansion Materials","15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15)",,,,,,2022,
"小池 剛大,東 正樹,西久保 匠,酒井 雄樹","PbTiO3 型ペロブスカイト酸化物Bi0.5+xNa0.5-xVO3の負熱膨張","粉体粉末冶金春季大会",,,,,,2022,
"小池 剛大,西久保 匠,酒井 雄樹,東 正樹","PbTiO3 型ペロブスカイト酸化物Bi0.5+xNa0.5-xVO3の負熱膨張","日本セラミックス協会第35回秋季シンポジウム",,,,,,2022,
"西久保匠,若崎 翔吾,山本 樹,酒井 雄樹,DAS Hena,町田 晃彦,綿貫 徹,東 正樹","ペロブスカイト PbMnO3の局所構造と電荷秩序状態の解明","日本セラミックス協会第35回秋季シンポジウム",,,,,,2022,
"酒井 雄樹,西久保 匠,ダス ヘナ,東 正樹,水牧 仁一郎,溝川 貴司,町田 晃彦,綿貫 徹,沖本 洋一","放射光を用いたペロブスカイト型酸化物Bi1-xPbxNiO3の負熱膨張メカニズムの解明","日本セラミックス協会第35回秋季シンポジウム",,,,,,2022,
"西久保 匠,酒井 雄樹,東 正樹","複数メカニズムの共存による負熱膨張特性の強化","粉体粉末冶金協会2022年度秋季大会",,,,,,2022,
"西久保 匠,若崎 翔吾,山本 樹,酒井 雄樹,DAS Hena,町田 晃彦,綿貫 徹,東 正樹","Design and Domain Structure Observation of Phase Transition-type Negative Thermal Expansion Materials","第32回日本MRS年次大会",,,,,,2022,
"鈴木仁哉,西久保匠,酒井雄樹,Pan Zhao,齋藤寛之,東正樹,山本隆文","フラックスを用いたバナジウム酸水素化物の高圧合成と反応経路のその場観察","日本セラミックス協会 第60回基礎科学討論会",,,,,,2022,
"長瀬鉄平,西久保匠,酒井雄樹,重松圭,東正樹,山本隆文,壬生攻,南部雄亮,池田陽一,松田 雅昌","酸素欠損型ペロブスカイトSrV0.3Fe0.7O2.8における磁気抵抗効果","日本セラミックス協会 第35回秋季シンポジウム",,,,,,2022,
"酒井雄樹,木原汐里,若崎翔吾,西久保匠,福田真幸,水牧仁一郎,東正樹","ペロブスカイト型酸化物 Bi0.5Pb0.5MO3(M=3d 遷移金属)の電荷分布変化","日本物理学会",,,,,,2022,
"Shogo Wakazaki,Qiumin Liu,Randy Jalem,Takumi Nishikubo,Yuki Sakai,Naoki Matsui,Guowei Zhao,Kota Suzuki,Kei Shigematsu,Takafumi Yamamoto,Ryoji Kanno,Hena Das,Yoshitaka Tateyama,Masaki Azuma","High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure",,"Chemistry of Materials",," 33"," 23"," 9194-9201",2021,Nov.
"Lei Hu,Yingcai Zhu,Yue-Wen Fang,Masayuki Fukuda,Takumi Nishikubo,Zhao Pan,Yuki Sakai,Shogo Kawaguchi,Hena Das,Akihiko Machida,Tetsu Watanuki,Shigeo Mori,Koshi Takenaka,Masaki Azuma","Origin and Absence of Giant Negative Thermal Expansion in Reduced and Oxidized Ca2RuO4",,"Chemistry of Materials",," 33"," 19",,2021,Sept.
"Masaki Azuma,Hajime Hojo,Kengo Oka,Hajime Yamamoto,Keisuke Shimizu,Kei Shigematsu,Yuki Sakai","Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis",,"Annual Review of Materials Research",," 51",," 329-349",2021,May
"Takahiro Ogata,Yuki Sakai,Takumi Nishikubo,Takashi Mizokawa,Masaichiro Mizumaki,Koomok Lee,Qiumin Liu,Masaki Azuma","Intermetallic Charge Transfer in V-Substituted PbCrO3",,"Inorganic Chemistry",," 60"," 13"," 9427-9431",2021,Apr.
"Xubin Ye,Jianfa Zhao,Hena Das,Denis Sheptyakov,Junye Yang,Yuki Sakai,Hajime Hojo,Zhehong Liu,Long Zhou,Lipeng Cao,Takumi Nishikubo,Shogo Wakazaki,Cheng Dong,Xiao Wang,Zhiwei Hu,Hong-Ji Lin,Chien-Te Chen,Christoph Sahle,Anna Efiminko,Huibo Cao,Stuart Calder,Ko Mibu,Michel Kenzelmann,Liu Hao Tjeng,Runze Yu,Masaki Azuma,Changqing Jin,Youwen Long","Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3",,"Nature Communications",," 12",," 1917",2021,Mar.
"Xubin Ye,Jianfa Zhao,Hena Das,Denis Sheptyakov,Junye Yang,Yuki Sakai,Hajime Hojo,Zhehong Liu,Long Zhou,Lipeng Cao,Takumi Nishikubo,Shogo Wakazaki,Cheng Dong,Xiao Wang,Zhiwei Hu,Hong-Ji Lin,Chien-Te Chen,Christoph Sahle,Anna Efiminko,Huibo Cao,Stuart Calder,Ko Mibu,Michel Kenzelmann,Liu Hao Tjeng,Runze Yu,Masaki Azuma,Changqing Jin,Youwen Long","Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3",,"Nature Communications",," 12",," 1917",2021,Mar.
"Masaki Ozeki,Victoria Warne-Lang,Hirofumi Tsukasaki,Naoyuki Katayama,Yoshihiko Okamoto,Shigeo Mori,Koshi Takenaka,Masaki Azuma,Hajime Hojo,Kengo Oka,Hajime Yamamoto,Keisuke Shimizu,Kei Shigematsu,Yuki Sakai","Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research",,"Annual Review of Materials Research",,,,,2021,Mar.
"東 正樹,酒井 雄樹,西久保 匠,岡 研吾,山本 孟","圧力誘起相転移を利用した巨大負熱膨張物質の開発",,"高圧力の科学と技術",," 30"," 3",,2021,Jan.
"Zhao Pan,Mao-Hua Zhang,Takumi Nishikubo,Yuki Sakai,Hajime Yamamoto,Hajime Hojo,Masayuki Fukuda,Lei Hu,Hayato Ishizaki,Satoru Kaneko,Shogo Kawaguchi,Jurij Koruza,J?rgen R?del,Masaki Azuma","Polarization Rotation at Morphotropic Phase Boundary in New Lead-Free Na1/2Bi1/2V1?xTixO3 Piezoceramics",,"Acs Applied Materials & Interfaces",," 13"," 4"," 5208-5215",2021,Jan.
"西久保 匠,今井 孝,酒井 雄樹,水牧 仁一朗,大和田 謙二,町田 晃彦,綿貫 徹,押目 典宏,島田 歩,菅原 健人,久留島 康輔,森 茂生,溝川 貴司,東 正樹","PbVO3 の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察","日本物理学会",,,,,,2021,
"酒井雄樹,西久保匠,若崎翔吾,木原汐里,東正樹","ペロブスカイト型酸化物 Bi0.5Pb0.5MO3 の電荷分布","第5回固体化学フォーラム研究会",,,,,,2021,
"酒 井雄 樹,松 野 夏 奈,西 久 保 匠,森 茂 生,中 島 宏,久 留島 康 輔,町 田 晃 彦,綿 貫 徹,東正 樹","PbCrO3 の立 方 晶 ― 立方 晶 転 移 に お け る 局 所構 造 の 変 化","日本結晶学会令和３年度年会",,,,,,2021,
"東 正樹,西久保 匠,酒井 雄樹,山本 孟,岡 研吾","Bi,Pb-3d 遷移金属ペロブスカイトの圧力誘起相転移と負熱膨張","高圧討論会",,,,,,2021,
"西久保 匠,酒井 雄樹,水牧 仁一朗,今井 孝,東 正樹","巨大な体積変化を伴う負熱膨張物質の設計","高圧討論会",,,,,,2021,
"Shiori Kihara,Shogo Wakazaki,Yuki Sakai,Takumi Nishikubo,Masaki Azuma","Charge distribution change in perovskite Bi0.5Pb0.5MO3 (M=3d transition metal)","STAC12",,,,,,2021,
"木原 汐里,酒井 雄樹,東 正樹,西久保 匠,若崎 翔吾","ペロブスカイトBi0.5Pb0.5MO3(M=3d遷移金属)の電荷分布変化","日本セラミックス協会秋季シンポジウム",,,,,,2021,
"東 正樹,岡 研吾,山本 孟,酒井雄樹","巨大負熱膨張材料の研究","粉体粉末冶金秋季大会",,,,,,2021,
"西久保 匠,酒井 雄樹,Lalitha K.V.,J?rgen R?del,東 正樹","分極・歪みによるBiInO3-BiZn1/2Ti1/2O3の負熱膨張と強弾性の制御",,"結晶学会",,,,,2021,
"Wakazaki Shogo,Nishikubo Takumi,Sakai Yuki,Shigematsu Kei,Das Hena,Zhang Depei,Zhang Qiang,Matsuda Masaaki,Azuma Masaki","Stabilized Charge, Spin, and Orbital Ordering by the 6s2 Lone Pair in Bi0.5Pb0.5MnO3",,"INORGANIC CHEMISTRY",," 59"," 18"," 13390-13397",2020,Sept.
"Masayuki Fukuda,Takumi Nishikubo,Zhao Pan,Yuki Sakai,Mao-Hua Zhang,Shogo Kawaguchi,Hongwu Yu,Yoichi Okimoto,Shin-ya Koshihara,Mitsuru Itoh,J?rgen R?del,Masaki Azuma","Enhanced Spontaneous Polarization by V4+ Substitution in a Lead-Free Perovskite CaMnTi2O6",,"INORGANIC CHEMISTRY",,"Volume 59","Issue 16"," 11749?11756",2020,Aug.
"Yoshitaka Nakamura,Yuki Sakai,Masaki Azuma,Shin-ichi Ohkosh","Long-term heat-storage ceramics absorbing thermal energy from hot water",,"SCIENCE ADVANCES",,"Volume 6","Issue 27",,2020,July
"Mitsuru Nitta,Nobuaki Nagao,Yuki Nomura,Taku Hirasawa,Yuki Sakai,Takahiro Ogata,Masaki Azuma,Shuki Torii,Toru Ishigaki,Yasuhisa Inada","High-Brightness Red-Emitting Phosphor La3(Si,Al)6(O,N)11:Ce3+ for Next-Generation Solid-State Light Sources",,"ACS APPLIED MATERIALS & INTERFACES",,"Volume 12","Issue 28"," 31652?31658",2020,July
"Hajime Yamamoto,Kaoru Toda,Yuki Sakai,Takumi Nishikubo,Ikuya Yamada,Kei Shigematsu,Masaki Azuma,Hajime Sagayama,Masaichiro Mizumaki,Kiyofumi Nitta,Hiroyuki Kimura","Emergence of a Cubic Phase Stabilized by Intermetallic Charge Transfer in (1 ? x)PbVO3?xBiCoO3 Solid Solutions",,"CHEMISTRY OF MATERIALS",," 32"," 16"," 6892-6897",2020,July
"Hayato Ishizaki,Yuki Sakai,Takumi Nishikubo,Zhao Pan,Kengo Oka,Hajime Yamamoto,Masaki Azuma","Negative Thermal Expansion in Lead-Free La-Substituted Bi0.5Na0.5VO3",,"CHEMISTRY OF MATERIALS",," 32"," 11"," 4832?4837",2020,June
"Masaki Ozeki,Victoria Warne-Lang,Hirofumi Tsukasaki,Yuki Sakai,Naoyuki Katayama,Yoshihiko Okamoto,Masaki Azuma,Shigeo Mori,Koshi Takenaka","Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles",,"APPLIED PHYSICS EXPRESS",," 13"," 7",,2020,June
"Zhao Pan,Takumi Nishikubo,Yuki Sakai,Takafumi Yamamoto,Shogo Kawaguchi,Masaki Azuma","Observation of Stabilized Monoclinic Phase as a “Bridge” at the Morphotropic Phase Boundary between Tetragonal Perovskite PbVO3 and Rhombohedral BiFeO3",,"CHEMISTRY OF MATERIALS",,"Vol. 32","No. 8","pp. 3615-3620",2020,Apr.
"Zhehong Liu,Yuki Sakai,Junye Yang,Wenmin Li,Ying Liu,Xubin Ye,Shijun Qin,Jinming Chen,Stefano Agrestini,Kai Chen,Sheng-Chieh Liao,Shu-Chih Haw,Francois Baudelet,Hirofumi Ishii,Takumi Nishikubo,Hayato Ishizaki,Tatsuru Yamamoto,Zhao Pan,Masayuki Fukuda,Kotaro Ohashi,Kana Matsuno,Akihiko Machida,Tetsu Watanuki,Saori I. Kawaguchi,Angel M. Arevalo-Lopez,Changqing Jin,Zhiwei Hu,J. Paul Attfield,Masaki Azuma,Youwen Long","Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO3",,"JOURNAL OF THE AMERICAN CHEMICAL SOCIETY",," 142"," 12"," 5731?5741",2020,Mar.
"Hayato Ishizaki,Hajime Yamamoto,Takumi Nishikubo,Yuki Sakai,Shogo Kawaguchi,Keisuke Yokoyama,Yoichi Okimoto,Shin-ya Koshihara,Takafumi Yamamoto,Masaki Azuma","Robust Giant Tetragonal Distortion Coupled with High-Spin Co3+ in Electron-Doped BiCoO3",,"Inorganic Chemistry",,"vol. 58",,"p. 16059-16064",2019,Nov.
"東 正樹,岡 研吾,山本 孟,酒井 雄樹","相転移型巨大負熱膨張物質",,"応用物理",,"Vol. 88","No. 3",,2019,Mar.
"Takahiro Ogata,Yuki Sakai,Hajime Yamamoto,Satyanarayan Patel,Peter Keil,Jurij Koruza,Shogo Kawaguchi,Zhao Pan,Takumi Nishikubo,Ju?rgen Ro?del,Masaki Azuma","Melting of dxy Orbital Ordering Accompanied by Suppression of Giant Tetragonal Distortion and Insulator-to-Metal Transition in Cr-Substituted PbVO3",,"Chemistry of Materials",,"Vol. 31",,"pp. 1352-1358",2019,Jan.
"重松 圭,山本 一理,清水 啓佑,西久保 匠,酒井雄樹,東 正樹","フェリ磁性体四重ペロブスカイト型LnCu3Mn4O12薄膜の電子状態",,,,,,,2018,Sept.
"K. Shigematsu,T. Asakura,H. Yamamoto,K. Shimizu,M. Katsumata,H. Shimizu,Y. Sakai,H. Hojo,K. Mibu,M. Azuma","Room temperature ferromagnetism in BiFe1−xMnxO3 thin film induced by spin-structure manipulation","iLIM-3",,,,,,2018,Sept.
"Koshi Takenaka,N. Inoue,Y. Mizuno,Y. Okamoto,N. Katayama,Yuki Sakai,Takumi Nishikubo,Masaki Azuma","Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca2RuO4",,"APPLIED PHYSICS LETTERS",,"Vol. 113","No. 7","p. 071902",2018,Aug.
"Hajime Yamamoto,Takashi Imai,Yuki Sakai,Masaki Azuma","Colossal Negative Thermal Expansion in Electron-Doped PbVO3 Perovskites",,"ANGEWANDTE CHEMIE-INTERNATIONAL",,"Vol. 57",,"pp. 8170-8173",2018,July
"Takumi Nishikubo,Yuki Sakai,Kengo Oka,Masaichiro Mizumaki,Tetsu Watanuki,Akihiko Machida,Naoyuki Maejima,Shigenori Ueda,Takashi Mizokawa,Masaki Azuma","Optimized negative thermal expansion induced by gradual intermetallic charge transfer in Bi1-xSbxNiO3",,"Applied physics express",,"Vol. 11","No. 6","p. 061102",2018,June
"Kei Shigematsu,Takeshi Asakura,Hajime Yamamoto,Keisuke Shimizu,Marin Katsumata,Haruki Shimizu,Yuki Sakai,Hajime Hojo,Ko Mibu,Masaki Azuma","Room temperature ferromagnetism in BiFe1-xMnxO3 thin film induced by spin-structure manipulation",,"Applied Physics Letters.",,"Vol. 112",,"p. 192905",2018,May
"Kosuke Kurushima,Hirofumi Tsukasaki,Takahiro Ogata,Yuki Sakai,Masaki Azuma,Yui Ishii,Shigeo Mori","Unusual inhomogeneous microstructures in charge glass state of PbCrO3",,"Japanese journal of applied physics",,"Vol. 57","No. 5",,2018,Mar.
"K. Takenaka,T. Shinoda,N. Inoue,Y. Okamoto,N. Katayama,Yuki Sakai,T. Nishikubo,M. Azuma","Giant negative thermal expansion in Fe-doped layered ruthenate ceramics",,"Applied physics express",,"Vol. 10","No. 11","p. 115501",2017,Nov.
"Yuki Sakai,Junye Yang,Runze Yu,Hajime Hojo,Ikuya Yamada,Ping Miao,Sanghyun Lee,Shuki Torii,Takashi Kamiyama,Marjana Le?ai?,G.Bihlmayer,M. Mizumaki,J.Komiyama,T.Mizokawa,H.Yamamoto,T.Nishikubo,Y.Hattori,K. Oka,Y.Yin,J.Dai,W.Li,S.Ueda,A.Aimi,D.Mori,Y. Inaguma,Z.Hu,T. Uozumi,C.Jin,Y.Long,Masaki Azuma","A-site and B-site charge orderings in an s-d level controlled perovskite oxide PbCoO3",,"Journal of the American Chemical Society",,"Vol. 139","No. 12","pp. 4574-4581",2017,Mar.