Basic Information

Faculty

• Faculty of Science

Email Address

• Email Address

  yamamoto.takafumi.6vkyoto-u.ac.jp

Academic Degree

• 23 Mar. 2010

  京都大学修士（理学）
• 26 Nov. 2012

  京都大学博士（工学）

Academic Resume (Graduate Schools)

• 京都大学, 大学院工学研究科博士後期課程物質エネルギー化学専攻, 修了
• 京都大学, 大学院理学研究科修士課程化学専攻, 修了

Academic Resume (Undergraduate School/Majors)

• 京都大学, 理学部理学科, 卒業

ID,URL

• ORCID ID

  0000-0002-7960-1014

• J-Global ID

  201401075867346900

• Researcher number

  80650639

researchmap URL

• https://researchmap.jp/7000009320

Research

Research Areas

• Nanotechnology/Materials, Inorganic compounds/materials chemistry

Papers

• Geometric Isomers of Bipyridinium in Lead Halide Perovskitoids

  Takuya Ohmi; Soumya Kundu; Hanyang Ye; Wen Zhou; Kanta Ogawa; Yuki Haruta; Alejandra M. Navarrete-López; Takafumi Yamamoto; Makhsud I. Saidaminov

  Inorganic Chemistry, 23 Jun. 2025

  
• Crystal structure and magnetoresistance of vacancy-ordered perovskite SrV0.3Fe0.7O2.8 at low temperature

  Teppei Nagase; Takumi Nishikubo; Yuki Sakai; Kei Shigematsu; Ko Mibu; Masato Hagihala; Masaki Azuma; Takafumi Yamamoto

  CrystEngComm, 2025

  
• Colossal Thermal Expansion in Ca-Substituted PbCrO₃

  Qiumin Liu; Takumi Nishikubo; Kazuki Takahashi; Seiho Higashi; Yusuke Shibata; Jun Miyake; Kano Hatayama; Yuki Sakai; Teppei Nagase; Koki Matsushima; Runze Yu; Takafumi Yamamoto; Masaki Azuma

  Chemistry of Materials, 12 Mar. 2025

  
• Rapid In Situ Investigation of Nitride Synthesis: Ambient Atmospheric Nitridation of 3d Metal Oxides Using Dicyandiamide

  Momoka Demura; Keigo Ono; Masanori Nagao; Takafumi Yamamoto; Chul-Ho Lee; Aichi Yamashita; Chikako Moriyoshi; Shohei Tada; Yuji Masubuchi; Yuta Fujii; Kiyoharu Tadanaga; Akira Miura

  Chemistry of Materials, 10 Dec. 2024

  
• FA4Pb2I7.5(SCN)0.5: n = 3 Member of Perovskite Homologous Series FAn+1Pbn−1I3n−1.5(SCN)0.5 with Columnar Defects

  Takuya Ohmi; James R. Neilson; Wataru Taniguchi; Tomoya Fukui; Teppei Nagase; Yuki Haruta; Makhsud I. Saidaminov; Takanori Fukushima; Masaki Azuma; Takafumi Yamamoto

  ACS Materials Letters, 06 May 2024

  
• Synthesis and Structure of Vacancy-Ordered Perovskite Ba6Ta2Na2X2O17 (X = P, V): Significance of Structural Model Selection on Discovered Compounds

  Takafumi Yamamoto; Yuya Otsubo; Teppei Nagase; Taiki Kosuge; Masaki Azuma

  Inorganic Chemistry, 11 Mar. 2024

  
• Synthesis and Structure of Vacancy-Ordered Perovskite Ba6Ta2Na2X2O17 (X = P, V): Significance of Structural Model Selection on Discovered Compounds

  Takafumi Yamamoto; Yuya Otsubo; Teppei Nagase; Taiki Kosuge; Masaki Azuma

  08 Dec. 2023

  
• 3D Visualization of Morphological Evolution of Large Defects during Spark Plasma Sintering of Alumina Granules

  Gaku Okuma; Masaya Endo; Haruki Minagawa; Ryo Inoue; Hideki Kakisawa; Takuma Kohata; Toshio Osada; Takafumi Yamamoto; Masaki Azuma; Akihisa Takeuchi; Masayuki Uesugi; Olivier Guillon; Fumihiro Wakai

  Advanced Engineering Materials, Sep. 2023

  
• Thiocyanate-Stabilized Pseudo-cubic Perovskite CH(NH₂)₂PbI₃ from Coincident Columnar Defect Lattices

  Takuya Ohmi; Iain W. H. Oswald; James R. Neilson; Nikolaj Roth; Shunta Nishioka; Kazuhiko Maeda; Kotaro Fujii; Masatomo Yashima; Masaki Azuma; Takafumi Yamamoto

  Journal of the American Chemical Society, 31 Aug. 2023

  
• Selective Synthesis of Perovskite Oxyhydrides Using a High-Pressure Flux Method

  Jinya Suzuki; Hiroyasu Okochi; Naoki Matsui; Teppei Nagase; Haruki Tochizawa; Hiroki Sahara; Takumi Nishikubo; Yuki Sakai; Takuya Ohmi; Zhao Pan; Takashi Saito; Hiroyuki Saitoh; Atsunori Ikezawa; Hajime Arai; Ryoji Kanno; Takafumi Yamamoto; Masaki Azuma

  Journal of the American Chemical Society, 02 Aug. 2023

  
• Theoretical Prediction and High-Pressure Synthesis of New LISICON-Type Solid-State Electrolyte Li_2.75[B_0.625P_0.125S_0.25]O_3.375

  Masahito Ikeda; Randy Jalem; Gen Hasegawa; Naoaki Kuwata; Qiumin Liu; Takafumi Yamamoto; Kei Shigematsu; Yoshitaka Tateyama; Masaki Azuma

  The Journal of Physical Chemistry C, 18 Jul. 2023

  
• Emergence of Dynamically‐Disordered Phases During Fast Oxygen Deintercalation Reaction of Layered Perovskite

  Takafumi Yamamoto; Shogo Kawaguchi; Taiki Kosuge; Akira Sugai; Naoki Tsunoda; Yu Kumagai; Kosuke Beppu; Takuya Ohmi; Teppei Nagase; Kotaro Higashi; Kazuo Kato; Kiyofumi Nitta; Tomoya Uruga; Seiji Yamazoe; Fumiyasu Oba; Tsunehiro Tanaka; Masaki Azuma; Saburo Hosokawa

  Advanced Science, 25 Apr. 2023

  Access this paper :

  
• Generation of third-harmonic spin oscillation from strong spin precession induced by terahertz magnetic near fields

  Zhenya Zhang; Fumiya Sekiguchi; Takahiro Moriyama; Shunsuke C. Furuya; Masahiro Sato; Takuya Satoh; Yu Mukai; Koichiro Tanaka; Takafumi Yamamoto; Hiroshi Kageyama; Yoshihiko Kanemitsu; Hideki Hirori

  Nature Communications, 31 Mar. 2023

  Access this paper :

  
• Selective CO2 Fixation to Styrene Oxide by Ta-Substitution of Lindqvist-Type [(Ta,Nb)(6)O-19](8-) Clusters

  Vorakit Chudatemiya; Mio Tsukada; Hiroki Nagakari; Soichi Kikkawa; Jun Hirayama; Naoki Nakatani; Takafumi Yamamoto; Seiji Yamazoe

  CATALYSTS, Feb. 2023

  
• Ultralow thermal conductivity in the mixed-anion solid solution Sn2SbS2−xSexI3

  Justin Mark; Wenhao Zhang; Kazuhiko Maeda; Takafumi Yamamoto; Hiroshi Kageyama; Takao Mori

  Journal of Materials Chemistry A, 2023

  
• 3D Visualization of Morphological Evolution of Large Defects during Spark Plasma Sintering of Alumina Granules

  Takafumi Yamamoto

  Advanced Engineering Materials, 2023

  
• High-pressure behavior of tetragonal barium carbodiimide, BaNCN

  Yuji Masubuchi; Suzuka Miyazaki; Peng Song; Takafumi Yamamoto; Kosuke Nakano; Kenta Hongo; Ryo Maezono

  JOURNAL OF ALLOYS AND COMPOUNDS, Oct. 2022

  
• Temperature-induced structural transition in an organic-inorganic hybrid layered perovskite (MA)(2)PbI2-xBrx(SCN)(2)

  Takuya Ohmi; Tomoaki Miura; Kei Shigematsu; Alexandra A. Koegel; Brian S. Newell; James R. Neilson; Tadaaki Ikoma; Masaki Azuma; Takafumi Yamamoto

  CRYSTENGCOMM, Aug. 2022

  
• Bulk charge density wave and electron-phonon coupling in superconducting copper oxychlorides

  L. Chaix; B. Lebert; H. Miao; A. Nicolaou; F. Yakhou; H. Cercellier; S. Grenier; N. B. Brookes; A. Sulpice; S. Tsutsui; A. Bosak; L. Paolasini; D. Santos-Cottin; H. Yamamoto; I. Yamada; M. Azuma; T. Nishikubo; T. Yamamoto; M. Katsumata; M. P. M. Dean; M. d'Astuto

  Physical Review Research, 05 Jul. 2022

  
• Polyoxocationic antimony oxide cluster with acidic protons

  Yuki Watanabe; Kim Hyeon-Deuk; Takafumi Yamamoto; Masayoshi Yabuuchi; Olesia M. Karakulina; Yasuto Noda; Takuya Kurihara; I-Ya Chang; Masanobu Higashi; Osamu Tomita; Cédric Tassel; Daichi Kato; Jingxin Xia; Tatsuhiko Goto; Craig M. Brown; Yuto Shimoyama; Naoki Ogiwara; Joke Hadermann; Artem M. Abakumov; Sayaka Uchida; Ryu Abe; Hiroshi Kageyama

  Science Advances, 17 Jun. 2022

  Access this paper :

  
• SrV_0.3Fe_0.7O_2.8: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance

  Teppei Nagase; Takumi Nishikubo; Masayuki Fukuda; Yuki Sakai; Kei Shigematsu; Yoichi Ikeda; Yusuke Nambu; Qiang Zhang; Masaaki Matsuda; Ko Mibu; Masaki Azuma; Takafumi Yamamoto

  Inorganic Chemistry, 03 Jun. 2022

  
• Sequential Pressure-Induced B1–B2 Transitions in the Anion-Ordered Oxyhydride Ba2YHO3

  Harry W. T. Morgan; Takafumi Yamamoto; Takumi Nishikubo; Takuya Ohmi; Takehiro Koike; Yuki Sakai; Masaki Azuma; Hirofumi Ishii; Genki Kobayashi; John E. McGrady

  Inorganic Chemistry, 09 May 2022, Peer-reviewed

  
• PbBi3O4X3 (X = Cl, Br) with Single/Double Halogen Layers as a Photocatalyst for Visible-Light-Driven Water Splitting: Impact of a Halogen Layer on the Band Structure and Stability

  Hajime Suzuki; Masanobu Higashi; Osamu Tomita; Yusuke Ishii; Takafumi Yamamoto; Daichi Kato; Tetsu Kotani; Daichi Ozaki; Shunsuke Nozawa; Kouichi Nakashima; Koji Fujita; Akinori Saeki; Hiroshi Kageyama; Ryu Abe

  Chemistry of Materials, 28 Dec. 2021

  
• High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure

  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

  Chemistry of Materials, 18 Nov. 2021

  
• High-Pressure and High-Temperature Synthesis of Anion-Disordered Vanadium Perovskite Oxyhydrides

  Kazumasa Miyazaki; Masayuki Ochi; Takumi Nishikubo; Jinya Suzuki; Takashi Saito; Takashi Kamiyama; Kazuhiko Kuroki; Takafumi Yamamoto; Masaki Azuma

  Inorganic Chemistry, 06 Oct. 2021

  
• Enhanced Magnetic Interaction by Face-Shared Hydride Anions in 6H-BaCrO2H

  Kentaro Higashi; Masayuki Ochi; Yusuke Nambu; Takafumi Yamamoto; Taito Murakami; Naoya Yamashina; Cédric Tassel; Yuki Matsumoto; Hiroshi Takatsu; Craig M. Brown; Hiroshi Kageyama

  Inorganic Chemistry, 16 Aug. 2021

  
• Base Catalysis of Sodium Salts of [Ta6−xNbxO19]8− Mixed-Oxide Clusters

  Soichi Kikkawa; Mio Tsukada; Kanako Shibata; Yu Fujiki; Kazuki Shibusawa; Jun Hirayama; Naoki Nakatani; Takafumi Yamamoto; Seiji Yamazoe

  Symmetry, 15 Jul. 2021

  
• Pressure-Induced Collapse Transition in BaTi2Pn2O (Pn = As, Sb) with an Unusual Pn–Pn Bond Elongation

  Takafumi Yamamoto; Takeshi Yajima; Zhi Li; Takateru Kawakami; Kousuke Nakano; Takami Tohyama; Takehiko Yagi; Yoji Kobayashi; Hiroshi Kageyama

  Inorganic Chemistry, 15 Feb. 2021

  
• Conduction Band Control of Oxyhalides with a Triple-Fluorite Layer for Visible Light Photocatalysis

  Nakada, Akinobu; Kato, Daichi; Nelson, Ryky; Takahira, Hikaru; Yabuuchi, Masayoshi; Higashi, Masanobu; Suzuki, Hajime; Kirsanova, Maria; Kakudou, Naoji; Tassel, Cédric; Yamamoto, Takafumi; Brown, Craig M.; Dronskowski, Richard; Saeki, Akinori; Abakumov, Artem; Kageyama, Hiroshi; Abe, Ryu

  Journal of the American Chemical Society, 2021

  
• Structure and Optical Properties of Layered Perovskite (MA)2PbI2–xBrx(SCN)2 (0 ≤ x < 1.6)

  Takafumi Yamamoto; Iain W. H. Oswald; Christopher N. Savory; Takuya Ohmi; Alexandra A. Koegel; David O. Scanlon; Hiroshi Kageyama; James R. Neilson

  Inorganic Chemistry, 07 Dec. 2020

  
• Strain-induced creation and switching of anion vacancy layers in perovskite oxynitrides

  Takafumi Yamamoto; Akira Chikamatsu; Shunsaku Kitagawa; Nana Izumo; Shunsuke Yamashita; Hiroshi Takatsu; Masayuki Ochi; Takahiro Maruyama; Morito Namba; Wenhao Sun; Takahide Nakashima; Fumitaka Takeiri; Kotaro Fujii; Masatomo Yashima; Yuki Sugisawa; Masahito Sano; Yasushi Hirose; Daiichiro Sekiba; Craig M. Brown; Takashi Honda; Kazutaka Ikeda; Toshiya Otomo; Kazuhiko Kuroki; Kenji Ishida; Takao Mori; Koji Kimoto; Tetsuya Hasegawa; Hiroshi Kageyama

  Nature Communications, Dec. 2020

  Access this paper :

  
• Responsive four‐coordinate Fe(II) nodes in FePd(CN)4

  Ryo Ohtani; Hiromu Matsunari; Takafumi Yamamoto; Koji Kimoto; Masaaki Isobe; Kotaro Fujii; Masatomo Yashima; Susumu Fujii; Akihide Kuwabara; Yuh Hijikata; Shin-ichiro Noro; Masaaki Ohba; Hiroshi Kageyama; Shinya Hayami

  Angewandte Chemie International Edition, 13 Jul. 2020, Peer-reviewed

  
• Observation of Stabilized Monoclinic Phase as a “Bridge” at the Morphotropic Phase Boundary between Tetragonal Perovskite PbVO3 and Rhombohedral BiFeO3

  Zhao Pan; Takumi Nishikubo; Yuki Sakai; Takafumi Yamamoto; Shogo Kawaguchi; Masaki Azuma

  Chemistry of Materials, 28 Apr. 2020

  
• Robust Giant Tetragonal Distortion Coupled with High-Spin Co3+ in Electron-Doped BiCoO3

  Hayato Ishizaki; Hajime Yamamoto; Takumi Nishikubo; Yuki Sakai; Shogo Kawaguchi; Keisuke Yokoyama; Yoichi Okimoto; Shin-ya Koshihara; Takafumi Yamamoto; Masaki Azuma

  Inorganic Chemistry, 02 Dec. 2019

  
• Pressure-Induced Transitions in the 1-Dimensional Vanadium Oxyhydrides Sr2VO3H and Sr3V2O5H2, and Comparison to 2-Dimensional SrVO2H

  Takafumi Yamamoto; Harry W. T. Morgan; Dihao Zeng; Takateru Kawakami; Midori Amano Patino; Michael A. Hayward; Hiroshi Kageyama; John E. McGrady

  Inorganic Chemistry, 18 Nov. 2019

  
• Realization of interlayer ferromagnetic interaction in MnSb2Te4 toward the magnetic Weyl semimetal state

  Taito Murakami; Yusuke Nambu; Takashi Koretsune; Gu Xiangyu; Takafumi Yamamoto; Craig M. Brown; Hiroshi Kageyama

  PHYSICAL REVIEW B, Nov. 2019, Peer-reviewed

  
• Exploring Structures and Properties through Anion Chemistry

  Kageyama Hiroshi; Yajima Takeshi; Tsujimoto Yoshihiro; Yamamoto Takafumi; Tassel Cedric; Kobayashi Yoji

  BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, Aug. 2019, Peer-reviewed

  
• Band Engineering of Double-Layered Sillén–Aurivillius Perovskite Oxychlorides for Visible-Light-Driven Water Splitting

  Akinobu Nakada; Masanobu Higashi; Takuma Kimura; Hajime Suzuki; Daichi Kato; Hiroyuki Okajima; Takafumi Yamamoto; Akinori Saeki; Hiroshi Kageyama; Ryu Abe

  Chemistry of Materials, 14 May 2019, Peer-reviewed

  
• Highly Correlated Hydride Ion Tracer Diffusion in SrTiO3–xHx Oxyhydrides

  Xin Liu; Tor Svendsen Bjørheim; Lasse Vines; Øystein Slagtern Fjellvåg; Cecilie Granerød; Øystein Prytz; Takafumi Yamamoto; Hiroshi Kageyama; Truls Norby; Reidar Haugsrud

  Journal of the American Chemical Society, 20 Mar. 2019, Peer-reviewed

  
• High-Pressure Synthesis of A(2)NiO(2)Ag(2)Se(2) (A=Sr, Ba) with a High-Spin Ni2+ in Square-Planar Coordination

  Matsumoto Yuki; Yamamoto Takafumi; Nakano Kousuke; Takatsu Hiroshi; Murakami Taito; Hongo Kenta; Maezono Ryo; Ogino Hiraku; Song Dongjoon; Brown Craig M; Tassel Cedric; Kageyama Hiroshi

  ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 14 Jan. 2019, Peer-reviewed

  
• Metal-Dependent Support Effects of Oxyhydride-Supported Ru, Fe, Co Catalysts for Ammonia Synthesis

  Tang Ya; Kobayashi Yoji; Masuda Naoya; Uchida Yoshinori; Okamoto Hiroki; Kageyama Toki; Hosokawa Saburo; Loyer Francois; Mitsuhara Kei; Yamanaka Keisuke; Tamenori Yusuke; Tassel Cedric; Yamamoto Takafumi; Tanaka Tsunehiro; Kageyama Hiroshi

  ADVANCED ENERGY MATERIALS, 27 Dec. 2018, Peer-reviewed

  
• Conical-to-ferromagnetic phase conversion induced by cation order–disorder transition in Hf1–xTixMnSb2

  Taito Murakami; Takafumi Yamamoto; Amit Kumar; Seikh M. Yusuf; Hiroshi Kageyama

  Journal of Solid State Chemistry, 01 Jul. 2018, Peer-reviewed

  
• AgFeOF2: A Fluorine-Rich Perovskite Oxyfluoride

  Fumitaka Takeiri; Takafumi Yamamoto; Naoaki Hayashi; Saburo Hosokawa; Kazunari Arai; Jun Kikkawa; Kazutaka Ikeda; Takashi Honda; Toshiya Otomo; Cedric Tassel; Koji Kimoto; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Jun. 2018, Peer-reviewed

  
• Promoted hydride/oxide exchange reaction in SrTiO3 by introduction of anion vacancy

  Takeiri Fumitaka; Yamamoto Takafumi; Kobayashi Yoji; Kageyama Hiroshi

  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 18 Mar. 2018, Peer-reviewed

  
• Selective Hydride Occupation in BaVO3-xHx (0.3 ≤ × ≤ 0.8) with Faceand Corner-Shared Octahedra

  Takafumi Yamamoto; Kazuki Shitara; Shunsaku Kitagawa; Akihide Kuwabara; Masahiro Kuroe; Kenji Ishida; Masayuki Ochi; Kazuhiko Kuroki; Kotaro Fujii; Masatomo Yashima; Craig M. Brown; Hiroshi Takatsu; Cedric Tassel; Hiroshi Kageyama

  Chemistry of Materials, 13 Mar. 2018, Peer-reviewed

  
• Heavy interstitial hydrogen doping into SrTiO3

  Ryo Nakayama; Mitsuhiko Maesato; Takafumi Yamamoto; Hiroshi Kageyama; Takahito Terashima; Hiroshi Kitagawa

  Chemical Communications, 2018, Peer-reviewed

  
• Hydride-Enhanced CO2 Methanation: Water-Stable BaTiO2.4H0.6 as a New Support

  Tang Ya; Kobayashi Yoji; Tassel Cedric; Yamamoto Takafumi; Kageyama Hiroshi

  Advanced Energy Materials, 2018, Peer-reviewed

  
• High pressure synthesis of hydride-fluoride pyrochlore NaCaMg2F7 1 xHx

  Kazunari Arai; Yoji Kobayashi; Ya Tang; Yusuke Tsutsui; Daisuke Sakamaki; Takafumi Yamamoto; Kotaro Fujii; Masatomo Yashima; Shu Seki; Hiroshi Kageyama

  Chemistry Letters, 2018, Peer-reviewed

  
• Suppression of H-/O2- exchange by incorporated nitride anions in the perovskite lattice

  Fumitaka Takeiri; Takeshi Yajima; Takafumi Yamamoto; Yoji Kobayashi; Toshiaki Matsui; James Hester; Hiroshi Kageyama

  JOURNAL OF SOLID STATE CHEMISTRY, Dec. 2017, Peer-reviewed

  
• Effect of Fe-site Substitution on Pressure-induced Spin Transition in SrFeO2

  Takateru Kawakami; Takafumi Yamamoto; Kanami Yata; Minoru Ishii; Yoshitaka Watanabe; Masaichiro Mizumaki; Naomi Kawamura; Naoki Ishimatsu; Hiroki Takahashi; Taku Okada; Takehiko Yagi; Hiroshi Kageyama

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Dec. 2017, Peer-reviewed

  
• Promoted Hydride/Oxide Exchange in SrTiO3 by Introduction of Anion Vacancy via Aliovalent Cation Substitution

  Fumitaka Takeiri; Kohei Aidzu; Takeshi Yajima; Toshiaki Matsui; Takafumi Yamamoto; Yoji Kobayashi; James Hester; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Nov. 2017, Peer-reviewed

  
• On Hydride Diffusion in Transition Metal Perovskite Oxyhydrides Investigated via Deuterium Exchange

  Ya Tang; Yoji Kobayashi; Kazuki Shitara; Ayako Konishi; Akihide Kuwabara; Takahide Nakashima; Cedric Tassel; Takafumi Yamamoto; Hiroshi Kageyama

  CHEMISTRY OF MATERIALS, Oct. 2017, Peer-reviewed

  
• The role of pi-blocking hydride ligands in a pressure-induced insulator-to-metal phase transition in SrVO2H

  Takafumi Yamamoto; Dihao Zeng; Takateru Kawakami; Vaida Arcisauskaite; Kanami Yata; Midori Amano Patino; Nana Izumo; John E. McGrady; Hiroshi Kageyama; Michael A. Hayward

  NATURE COMMUNICATIONS, Oct. 2017, Peer-reviewed

  Access this paper :

  
• Valence Band Engineering by a Layer Insertion to Sillen-Aurivillius Perovskite Oxyhalides

  Daichi Kato; Cecile Herve; Takafumi Yamamoto; Hironobu Kunioku; Masanobu Higashi; Ryu Abe; Hiroshi Kageyama

  CHEMISTRY LETTERS, Aug. 2017, Peer-reviewed

  
• Hypervalent Bismuthides La3MBi5 (M = Ti, Zr, Hf) and Related Antimonides: Absence of Superconductivity

  Taito Murakami; Takafumi Yamamoto; Fumitaka Takeiri; Kousuke Nakano; Hiroshi Kageyama

  INORGANIC CHEMISTRY, May 2017, Peer-reviewed

  
• Cubic lead perovskite PbMoO3 with anomalous metallic behavior

  Hiroshi Takatsu; Olivier Hernandez; Wataru Yoshimune; Carmelo Prestipino; Takafumi Yamamoto; Cedric Tassel; Yoji Kobayashi; Dmitry Batuk; Yuki Shibata; Artem M. Abakumov; Craig M. Brown; Hiroshi Kageyama

  Physical Review B, 04 Apr. 2017, Peer-reviewed

  
• ZnTaO2N: Stabilized High-Temperature LiNbO3-type Structure

  Yoshinori Kuno; Cedric Tassel; Koji Fujita; Dmitry Batuk; Artem M. Abakamov; Kazuki Shitara; Akihide Kuwabara; Hiroki Moriwake; Daichi Watabe; Clemens Ritter; Craig M. Brown; Takafumi Yamamoto; Fumitaka Takeiri; Ryu Abe; Yoji Kobayashi; Katsuhisa Tanaka; Hiroshi Kageyama

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Dec. 2016, Peer-reviewed

  
• Selective and low temperature transition metal intercalation in layered tellurides

  Takeshi Yajima; Masaki Koshiko; Yaoqing Zhang; Tamio Oguchi; Wen Yu; Daichi Kato; Yoji Kobayashi; Yuki Orikasa; Takafumi Yamamoto; Yoshiharu Uchimoto; Mark A. Green; Hiroshi Kageyama

  NATURE COMMUNICATIONS, Dec. 2016, Peer-reviewed

  Access this paper :

  
• Impact of Lanthanoid Substitution on the Structural and Physical Properties of an Infinite-Layer Iron Oxide

  Takafumi Yamamoto; Hiroshi Ohkubo; Cedric Tassel; Naoaki Hayashi; Shota Kawasaki; Taku Okada; Takehiko Yagi; James Hester; Maxim Avdeev; Yoji Kobayashi; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Nov. 2016, Peer-reviewed

  
• High-pressure synthesis of the layered iron oxyselenide BaFe2Se2O with strong magnetic anisotropy

  Fumitaka Takeiri; Yuki Matsumoto; Takafumi Yamamoto; Naoaki Hayashi; Zhi Li; Takami Tohyama; Cedric Tassel; Clemens Ritter; Yasuo Narumi; Masayuki Hagiwara; Hiroshi Kageyama

  PHYSICAL REVIEW B, Nov. 2016, Peer-reviewed

  
• High-Pressure Synthesis of Manganese Oxyhydride with Partial Anion Order

  Cedric Tassel; Yoshinori Goto; Daichi Watabe; Ya Tang; Honcheng Lu; Yoshinori Kuno; Fumitaka Takeiri; Takafumi Yamamoto; Craig M. Brown; James Hester; Yoji Kobayashi; Hiroshi Kageyama

  ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Aug. 2016, Peer-reviewed

  
• HfMnSb2: A Metal-Ordered NiAs-type Pnictide with a Conical Spin Order

  Taito Murakami; Takafumi Yamamoto; Cedric Tassel; Hiroshi Takatsu; Clemens Ritter; Yoshitami Ajiro; Hiroshi Kageyama

  ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Aug. 2016, Peer-reviewed

  
• Topochemical Nitridation with Anion Vacancy -Assisted N3-/O2- Exchange

  Riho Mikita; Tomoko Aharen; Takafumi Yamamoto; Fumitaka Takeiri; Tang Ya; Wataru Yoshimune; Koji Fujita; Suguru Yoshida; Katsuhisa Tanaka; Dmitry Batuk; Artem M. Abakumov; Craig M. Brown; Yoji Kobayashi; Hiroshi Kageyama

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Mar. 2016, Peer-reviewed

  
• Pressure-Induced Transitions in Square Planar Coordinate Metal Oxides

  YAMAMOTO Takafumi; KAGEYAMA Hiroshi

  Nihon Kessho Gakkaishi, 2016

  
• High Pressure Electrical Resistance Mesurments of Sr(Fe_0.8Co_0.2)O₂ and Sr(Fe_0.8Mn_0.2)O₂

  Yata Kanami; Kawakami Takateru; Murakawa Yosika; Yamamoto Takahumi; Kageyama Hirosi

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• Low temperature properties of the new lead perovskite PbMoO3

  Takatsu Hiroshi; Yoshimune Wataru; Yamamoto Takafumi; Tassel Cedric; Kobayashi Yoji; Hernandez Olivier; Batuk Dmitry; Abakumov Artem M.; Brown Craig; Kageyama Hiroshi

  Meeting Abstracts of the Physical Society of Japan, 2016

  
• Nonlinear magnetization dynamics of antiferromagnetic spin resonance induced by intense terahertz magnetic field

  Y. Mukai; H. Hirori; T. Yamamoto; H. Kageyama; K. Tanaka

  NEW JOURNAL OF PHYSICS, Jan. 2016, Peer-reviewed

  Access this paper :

  
• Hydride in BaTiO2.5H0.5: A Labile Ligand in Solid State Chemistry

  Naoya Masuda; Yoji Kobayashi; Olivier Hernandez; Thierry Bataille; Serge Paofai; Hajime Suzuki; Clemens Ritter; Naoki Ichijo; Yasuto Noda; Kiyonori Takegoshi; Cedric Tassel; Takafumi Yamamoto; Hiroshi Kageyama

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Dec. 2015, Peer-reviewed

  
• A labile hydride strategy for the synthesis of heavily nitridized BaTiO3

  Takeshi Yajima; Fumitaka Takeiri; Kohei Aidzu; Hirofumi Akamatsu; Koji Fujita; Wataru Yoshimune; Masatoshi Ohkura; Shiming Lei; Venkatraman Gopalan; Katsuhisa Tanaka; Craig M. Brown; Mark A. Green; Takafumi Yamamoto; Yoji Kobayashi; Hiroshi Kageyama

  NATURE CHEMISTRY, Dec. 2015, Peer-reviewed

  
• Interlayer Communication in Aurivillius Vanadate to Enable Defect Structures and Charge Ordering

  Yaoqing Zhang; Takafumi Yamamoto; Mark A. Green; Hiroshi Kageyama; Yutaka Ueda

  INORGANIC CHEMISTRY, Nov. 2015, Peer-reviewed

  
• Electrical Properties of Epitaxial Thin Films of Oxyhydrides ATiO(3-x)H(x) (A = Ba and Sr)

  Guillaume Bouilly; Takeshi Yajima; Takahito Terashima; Wataru Yoshimune; Kousuke Nakano; Cedric Tassel; Yoshiro Kususe; Koji Fujita; Katsuhisa Tanaka; Takafumi Yamamoto; Yoji Kobayashi; Hiroshi Kageyama

  CHEMISTRY OF MATERIALS, Sep. 2015, Peer-reviewed

  
• A Nearly Ideal One-Dimensional S=5/2 Antiferromagnet FeF3(4,4 '-bpy) (4,4 '-bpy=4,4 '-bipyridyl) with Strong Intrachain Interactions

  Hongcheng Lu; Takafumi Yamamoto; Wataru Yoshimune; Naoaki Hayashi; Yoji Kobayashi; Yoshitami Ajiro; Hiroshi Kageyama

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Aug. 2015, Peer-reviewed

  
• Labile hydrogen: the reactivity of oxyhydrides

  Masuda Naoya; Hernandez Olivier; Tang Ya; Hosokawa Saburo; Tassel Cedric; Yamamoto Takafumi; Kobayashi Yoji; Kageyama Hiroshi

  ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 22 Mar. 2015, Peer-reviewed

  
• An Antiferro-to-Ferromagnetic Transition in EuTiO3-xHx Induced by Hydride Substitution

  Takafumi Yamamoto; Ryuta Yoshii; Guillaume Bouilly; Yoji Kobayashi; Koji Fujita; Yoshiro Kususe; Yoshitaka Matsushita; Katsuhisa Tanaka; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Feb. 2015, Peer-reviewed

  
• 18pCD-9 A Magnetically Ordered LiNbO_3-type Manganese Oxynitride

  Tassel C.; Kuno Y.; Yamamoto T.; Kobayashi Y.; Kageyama H.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 18pCD-2 Pressure-Induced Phase Transition in the Layered Pnictide Oxide Superconductor

  Yamamoto T.; Li Zhi; Kawakami T.; Yajima T.; Nakano K.; Tohyama T.; Okada T.; Yagi T.; Kikegawa T.; Kobayashi Y.; Kageyama H.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• 22aCP-4 Nonlinear Terahertz Magnetization Dynamics of Rare-earth Ferrite HoFeO_3

  Mukai Y.; Hirori H.; Yamamoto T.; Kageyama H.; Tanaka K.

  Meeting Abstracts of the Physical Society of Japan, 2015

  
• Resonant Antiferromagnetic Spin Wave Excitation by Terahertz Magnetic Near-Field with Split Ring Resonator

  Y. Mukai; H. Hirori; T. Yamamoto; H. Kageyama; K. Tanaka

  Ultrafast Phenomena XIX, 2015, Peer-reviewed

  
• Terahertz Nonlinear Magnetic Response in Antiferromagnets

  Mukai Y; Hirori H; Yamamoto T; Kageyama H; Tanaka K; IEEE

  2015 Conference on Lasers and Electro-Optics (Cleo), 2015, Peer-reviewed

  
• MnTaO2N: Polar LiNbO3-type Oxynitride with a Helical Spin Order

  Cedric Tassel; Yoshinori Kuno; Yoshihiro Goto; Takafumi Yamamoto; Craig M. Brown; James Hester; Koji Fujita; Masanobu Higashi; Ryu Abe; Katsuhisa Tanaka; Yoji Kobayashi; Hiroshi Kageyama

  ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Jan. 2015, Peer-reviewed

  
• Superconductivity in LaPd2As2 with a collapsed 122 structure

  Subodh Ganesanpotti; Takeshi Yajima; Kousuke Nakano; Yasumasa Nozaki; Takafumi Yamamoto; Cedric Tassel; Yoji Kobayashi; Hiroshi Kageyama

  JOURNAL OF ALLOYS AND COMPOUNDS, Nov. 2014, Peer-reviewed

  
• Antiferromagnetic resonance excitation by terahertz magnetic field resonantly enhanced with split ring resonator

  Y. Mukai; H. Hirori; T. Yamamoto; H. Kageyama; K. Tanaka

  APPLIED PHYSICS LETTERS, Jul. 2014, Peer-reviewed

  
• 29pCG-14 Pressure-induced Charge Transfer Transition in a Square Planar Iron Oxide

  Yamamoto T.; Kawakami T.; Mizumaki M.; Yoshii R.; Okada T.; Yagi T.; Kobayashi Y.; Takano M.; Kageyama H.

  Meeting abstracts of the Physical Society of Japan, Jan. 2014, Peer-reviewed

  
• Substrate-induced anion rearrangement in epitaxial thin films of LaSrCoO4-xHx

  Guillaume Bouilly; Takeshi Yajima; Takahito Terashima; Yoshiro Kususe; Koji Fujita; Cedric Tassel; Takafumi Yamamoto; Katsuhisa Tanaka; Yoji Kobayashi; Hiroshi Kageyama

  CRYSTENGCOMM, 2014, Peer-reviewed

  
• Gas phase contributions to topochemical hydride reduction reactions

  Yoji Kobayashi; Zhaofei Li; Kei Hirai; Cedric Tassel; Francois Loyer; Noriya Ichikawa; Naoyuki Abe; Takafumi Yamamoto; Yuichi Shimakawa; Kazuyoshi Yoshimura; Mikio Takano; Olivier J. Hernandez; Hiroshi Kageyama

  JOURNAL OF SOLID STATE CHEMISTRY, Nov. 2013, Peer-reviewed

  
• Field-induced ferromagnetism of Fe4+-perovskite system, Sr 1-xBaxFeO3(0≤x≤1)

  Naoaki Hayashi; Takafumi Yamamoto; Atsushi Kitada; Akira Matsuo; Koichi Kindo; James Hester; Hiroshi Kageyama; Mikio Takano

  Journal of the Physical Society of Japan, Nov. 2013, Peer-reviewed

  
• Hydride Reductions of Transition Metal Oxides

  Takafumi Yamamoto; Hiroshi Kageyama

  CHEMISTRY LETTERS, Sep. 2013, Peer-reviewed

  
• Magnon generation in rare-earth orthoferrite HoFeO_3 by intense terahertz magnetic field

  Mukai Y.; Hirori H.; Yamamoto T.; Kageyama H.; Tanaka K.

  Meeting abstracts of the Physical Society of Japan, Jan. 2013, Peer-reviewed

  
• Pressure induced intersite charge transfer in Sr_<0.7>EU_<0.3>FeO_2 with a square-planar coordination

  Yaguchi Junta; Kawakami Takateru; Yamamoto Takafumi; Kobayashi Youji; Kageyama Hiroshi

  Meeting abstracts of the Physical Society of Japan, Jan. 2013, Peer-reviewed

  
• Novel Superconductor BaTi_2Bi_2O with a d^1 Square Lattice

  Yajima Takeshi; Nakano Kousuke; Takeiri Fumitaka; Hester James; Yamamoto Takafumi; Kobayashi Yoji; Tsuji Naruki; Kim Jungeun; Fujiwara Akihiko; Kageyama Hiroshi

  Meeting abstracts of the Physical Society of Japan, Jan. 2013, Peer-reviewed

  
• Solventless Low Temperature Reactions for Novel Transition Metal Oxides

  山本 隆文; 小林 洋治; 陰山 洋

  機能材料, Jan. 2013, Peer-reviewed

  
• Synthesis and Physical Properties of the New Oxybismuthides BaTi2Bi2O and (SrF)(2)Ti2Bi2O with a d(1) Square Net

  Takeshi Yajima; Kousuke Nakano; Fumitaka Takeiri; James Hester; Takafumi Yamamoto; Yoji Kobayashi; Naruki Tsuji; Jungeun Kim; Akihiko Fujiwara; Hiroshi Kageyama

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jan. 2013, Peer-reviewed

  
• Oxyhydrides of (Ca,Sr,Ba)TiO3 Perovskite Solid Solutions

  Tatsunori Sakaguchi; Yoji Kobayashi; Takeshi Yajima; Masatoshi Ohkura; Cedric Tassel; Fumitaka Takeiri; Shingo Mitsuoka; Hiroshi Ohkubo; Takafumi Yamamoto; Jung Eun Kim; Naruki Tsuji; Akihiko Fujihara; Yoshitaka Matsushita; James Hester; Maxim Avdeev; Kenji Ohoyama; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Nov. 2012, Peer-reviewed

  
• (Sr1-xBax)FeO2 (0.4 <= x <= 1): A New Oxygen-Deficient Perovskite Structure

  Takafumi Yamamoto; Yoji Kobayashi; Naoaki Hayashi; Cedric Tassel; Takashi Saito; Shoji Yamanaka; Mikio Takano; Kenji Ohoyama; Yuichi Shimakawa; Kazuyoshi Yoshimura; Hiroshi Kageyama

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Jul. 2012, Peer-reviewed

  
• 20pCD-10 Mossbauer of Sr_<0.7>Eu_<0.3>FeO_2 under high pressure

  Ishii Minoru; Kawakami Takateru; Yamamoto Takafumi; Kobayashi Youji; Kageyama Hiroshi

  Meeting abstracts of the Physical Society of Japan, Jan. 2012, Peer-reviewed

  
• Quadruple-layered perovskite (CuCl)Ca2NaNb4O13

  A. Kitada; Y. Tsujimoto; T. Yamamoto; Y. Kobayashi; Y. Narumi; K. Kindo; A. A. Aczel; G. M. Luke; Y. J. Uemura; Y. Kiuchi; Y. Ueda; K. Yoshimura; Y. Ajiro; H. Kageyama

  JOURNAL OF SOLID STATE CHEMISTRY, Jan. 2012, Peer-reviewed

  
• Synthesis, Structure and physical properties of (Sr, Ba)FeO2

  山本 隆文; 陰山 洋

  京都大学低温物質科学研究センター誌 : LTMセンター誌, Dec. 2011, Peer-reviewed

  
• Random fan-out state induced by site-random interlayer couplings

  Ryo Tamura; Naoki Kawashima; Takafumi Yamamoto; Cedric Tassel; Hiroshi Kageyama

  PHYSICAL REVIEW B, Dec. 2011, Peer-reviewed

  
• B1-to-B2 Structural Transitions in Rock Salt Intergrowth Structures

  Takafumi Yamamoto; Yoji Kobayashi; Taku Okada; Takehiko Yagi; Takateru Kawakami; Cedric Tassel; Shota Kawasaki; Naoyuki Abe; Ken Niwa; Takumi Kikegawa; Naohisa Hirao; Mikio Takano; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Nov. 2011, Peer-reviewed

  
• Fe-Site Substitution Effect on the Structural and Magnetic Properties in SrFeO2

  Liis Seinberg; Takafumi Yamamoto; Cedric Tassel; Yoji Kobayashi; Naoaki Hayashi; Atsushi Kitada; Yuji Sumida; Takashi Watanabe; Masakazu Nishi; Kenji Ohoyama; Kazuyoshi Yoshimura; Mikio Takano; Werner Paulus; Hiroshi Kageyama

  INORGANIC CHEMISTRY, May 2011, Peer-reviewed

  
• Pressure-Induced Structural, Magnetic, and Transport Transitions in the Two-Legged Ladder Sr3Fe2O5

  Takafumi Yamamoto; Cedric Tassel; Yoji Kobayashi; Takateru Kawakami; Taku Okada; Takehiko Yagi; Hideto Yoshida; Takanori Kamatani; Yoshitaka Watanabe; Takumi Kikegawa; Mikio Takano; Kazuyoshi Yoshimura; Hiroshi Kageyama

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Apr. 2011, Peer-reviewed

  
• BaFeO3: A Ferromagnetic Iron Oxide

  Naoaki Hayashi; Takafumi Yamamoto; Hiroshi Kageyama; Masakazu Nishi; Yoshitaka Watanabe; Takateru Kawakami; Yoshitaka Matsushita; Atsushi Fujimori; Mikio Takano

  ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2011, Peer-reviewed

  
• Spin transition of Sr_3Fe_2O_5 under high pressure

  YOSHIDA Hideto; KAWAKAMI Takateru; KAMATANI Takanori; KAGEYAMA Hiroshi; YAMAMOTO Takafumi; TASSEL Cedric; NASU Saburo

  高圧討論会講演集, Oct. 2010, Peer-reviewed

  
• 24pWL-13 Super Solid Phase by Effect of Anisotropic Randomness and Frustration

  Tamura Ryo; Kawashima Naoki; Seinberg Liis; Yamamoto Takafumi; Kageyama Hiroshi

  Meeting abstracts of the Physical Society of Japan, Aug. 2010, Peer-reviewed

  
• 25aPS-72 High-Pressure Mossbauer spectroscopy of Sr_3Fe_2O_5 under external field

  Yoshida Hideto; Kawakami Takateru; Kamatani Takanori; Kageyama Hiroshi; Yamamoto Takafumi; Tassel Cedric; Nasu Saburo

  Meeting abstracts of the Physical Society of Japan, Aug. 2010, Peer-reviewed

  
• Synthesis and Thermal Stability of the Solid Solution AFeO(2) (A = Ba, Sr, Ca)

  Takafumi Yamamoto; Zhaofei Li; Cedric Tassel; Naoaki Hayashi; Mikio Takano; Masahiko Isobe; Yutaka Ueda; Kenji Ohoyama; Kazuyoshi Yoshimura; Yoji Kobayashi; Hiroshi Kageyama

  INORGANIC CHEMISTRY, Jul. 2010, Peer-reviewed

  Access this paper :

  
• Muon spin relaxation studies of the frustrated quasi-two-dimensional square-lattice spin system Cu(Cl,Br)La(Nb,Ta)(2)O-7: Evolution from spin-gap to antiferromagnetic state

  Y. J. Uemura; A. A. Aczel; Y. Ajiro; J. P. Carlo; T. Goko; D. A. Goldfeld; A. Kitada; G. M. Luke; G. J. MacDougall; I. G. Mihailescu; J. A. Rodriguez; P. L. Russo; Y. Tsujimoto; C. R. Wiebe; T. J. Williams; T. Yamamoto; K. Yoshimura; H. Kageyama

  PHYSICAL REVIEW B, Nov. 2009, Peer-reviewed

  Access this paper :

  
• Superconducting state coexisting with a phase-separated static magnetic order in (Ba,K)Fe2As2, (Sr,Na)Fe2As2, and CaFe2As2

  T. Goko; A. A. Aczel; E. Baggio-Saitovitch; S. L. Bud'ko; P. C. Canfield; J. P. Carlo; G. F. Chen; Pengcheng Dai; A. C. Hamann; W. Z. Hu; H. Kageyama; G. M. Luke; J. L. Luo; B. Nachumi; N. Ni; D. Reznik; D. R. Sanchez-Candela; A. T. Savici; K. J. Sikes; N. L. Wang; C. R. Wiebe; T. J. Williams; T. Yamamoto; W. Yu; Y. J. Uemura

  PHYSICAL REVIEW B, Jul. 2009, Peer-reviewed

  Access this paper :

  
• Synthesis and magnetism of SrFe_1-xM_xO₂ (M=Co,Mn) obtained by low temperature solid state reduction

  Sumida Yuji; Kitada Atsushi; Yoshimura Kazuyoshi; Yamamoto Takahumi; Watanabe Takashi; Liss Seinberg; Cedric Tassel; Nishi Masakazu; Kageyama Hiroshi; Hayashi Naoaki; Tuzimoto Yoshihiro

  Preprints of Annual Meeting of The Ceramic Society of Japan
  Preprints of Fall Meeting of The Ceramic Society of Japan, 2009

  
• A Structural Investigation of the Infinite Layer Sr_1-xCa_xFeO₂ (0 ≤ x ≤ 1)

  Tassel Cedric; Kageyama Hiroshi; Yamamoto Takafumi; Kitada Atsushi; Tsujimoto Yoshihiro; Matsushita Yoshitaka; Katsuya Yoshio; Tanaka Masahiko; Yoshimura Kazuyoshi

  Preprints of Annual Meeting of The Ceramic Society of Japan
  Preprints of Fall Meeting of The Ceramic Society of Japan, 2009

  
• Synthesis and Structural Phase Transition of the Infinite-Layer Iron Oxide (Sr1-xBax)FeO2

  Yamamoto Takafumi; Shimakawa Yuichi; Yoshimura Kazuyoshi; Saito Takashi; Kageyama Hiroshi; Hayashi Naoaki; Takano Mikio; Tassel Cédric; Tsujimoto Yoshihiro; Kitada Atsushi; Oyama Kenji

  Preprints of Annual Meeting of The Ceramic Society of Japan
  Preprints of Fall Meeting of The Ceramic Society of Japan, 2009

  
• Synthesis, structure, and magnetic properties of the two-dimensional quantum antiferromagnets (CuBr)A_2B_3O_{10} (A=Ca, Sr, Ba, Pb; B=Nb, Ta) with the 1/3 magnetization plateau

  Y. Tsujimoto; H. Kageyama; Y. Baba; A. Kitada; T. Yamamoto; Y. Narumi; K. Kindo; M. Nishi; J. P. Carlo; A. A. Aczel; T. J. Williams; T. Goko; G. M. Luke; Y. J. Uemura; Y. Ueda; Y. Ajiro; K. Yoshimura

  PHYSICAL REVIEW B, Dec. 2008, Peer-reviewed

  Access this paper :

  
• Synthesis, structure, and magnetic properties of the two-dimensional quantum antiferromagnets (CuBr)A(2)B(3)O(10) (A=Ca, Sr, Ba, Pb; B=Nb, Ta) with the 1/3 magnetization plateau

  Y. Tsujimoto; H. Kageyama; Y. Baba; A. Kitada; T. Yamamoto; Y. Narumi; K. Kindo; M. Nishi; J. P. Carlo; A. A. Aczel; T. J. Williams; T. Goko; G. M. Luke; Y. J. Uemura; Y. Ueda; Y. Ajiro; K. Yoshimura

  PHYSICAL REVIEW B, Dec. 2008, Peer-reviewed

  Access this paper :

  
• Stability of the infinite layer structure with iron square planar coordination

  Cedric Tassel; Takashi Watanabe; Yoshihiro Tsujimoto; Naoaki Hayashi; Atsushi Kitada; Yuji Sumida; Takafumi Yamamoto; Hiroshi Kageyama; Mikio Takano; Kazuyoshi Yoshimura

  JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Mar. 2008, Peer-reviewed

  
• 金属ハイドライド還元法による鉄酸化物の合成

  陰山洋; セドリック・タッセル; 辻本吉廣; 山本隆文; 渡邉貴志; 吉村一良

  機能材料, 2008, Peer-reviewed

  

Misc.

• Observation of topochemical reaction in SrCrO_3-δ by time-resolved XRD

  小菅大輝; 河口彰吾; 別府孝介; 細川三郎; 東正樹; 山本隆文

  日本セラミックス協会秋季シンポジウム講演予稿集(Web), 2022

  
• Time-resolved XRD measurement of topochemical reaction in Sr₃Fe₂O_7-δ

  山本隆文; 菅井玲; 小菅大輝; 東正樹; 河口彰吾; 別府孝介; 細川三郎

  日本セラミックス協会秋季シンポジウム講演予稿集(Web), 2022

  
• Advanced analysis of the reaction in SrCrO_3-δ by time-resolved XRD and Bayesian inference

  小菅大輝; 河口彰吾; 小林慎太郎; 横山優一; 水牧仁一朗; 細川三郎; 東正樹; 東正樹; 山本隆文

  日本セラミックス協会秋季シンポジウム講演予稿集(Web), 2023

  
• High-Pressure Synthesis of A₂NiO₂Ag₂Se₂ (A=Sr, Ba) with a High-Spin Ni²⁺ in Square-Planar Coordination

  Matsumoto Yuki; Yamamoto Takafumi; Nakano Kousuke; Takatsu Hiroshi; Murakami Taito; Hongo Kenta; Hongo Kenta; Hongo Kenta; Hongo Kenta; Hongo Kenta; Maezono Ryo; Maezono Ryo; Ogino Hiraku; Song Dongjoon; Brown Craig M.; Tassel Cedric; Kageyama Hiroshi

  Angewandte Chemie, 2019

  
• 六方晶系BaVO_3-xH_xにおける水酸化物イオンのサイト選択性に関する第一原理計算

  設樂一希; 山本隆文; 陰山洋; 森分博紀; 桑原彰秀

  日本セラミックス協会年会講演予稿集(CD-ROM), 2018

  
• 金属秩序NiAs型構造を持つ新規ニクタイドの合成と物性

  村上泰斗; 山本隆文; 陰山洋

  日本化学会春季年会講演予稿集(CD-ROM), 2018

  
• 層状秩序NiAs型構造を持つ新規ニクタイドの合成と物性

  村上泰斗; 山本隆文; 陰山洋

  日本セラミックス協会年会講演予稿集(CD-ROM), 2018

  
• In‐situ抵抗測定によるSrTiO₃への水素イオンビーム照射効果の研究

  中山亮; 前里光彦; 吉宗航; 山本隆文; 陰山洋; 寺嶋孝仁; 北川宏

  京都大学物性科学センター誌, Jun. 2017

  
• 新規ペロブスカイト型鉄酸フッ化物

  竹入史隆; 山本隆文; 細川三郎; 林直顕; 池田一貴; 本田孝志; 大友季哉; TASSEL Cedric; 小林洋治; 陰山洋

  日本化学会春季年会講演予稿集(CD-ROM), 03 Mar. 2017

  
• 水素イオンビーム照射によるチタン酸ストロンチウムの物性制御

  中山亮; 前里光彦; 吉宗航; 山本隆文; 陰山洋; 寺嶋孝仁; 北川宏

  日本化学会春季年会講演予稿集(CD-ROM), 03 Mar. 2017

  
• 新規層状オキシカルコゲナイド化合物の合成と磁性

  松本勇輝; 山本隆文; 竹入史隆; 陰山洋; 林直顕; 遠山貴己; ZHI Li

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 29 Aug. 2016

  
• 新規ペロブスカイト型鉄酸フッ化物の合成と物性

  竹入史隆; 山本隆文; 藤田晃司; 細川三郎; 小林洋治; 陰山洋; 林直顕; 池田一貴; 本田孝志; 大友季哉

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 29 Aug. 2016

  
• 新規層状オキシカルコゲナイド化合物の合成と磁性

  山本隆文; 松本勇輝; 竹入史隆; LI Zhi; 林直顕; 遠山貴己; 陰山洋

  日本物理学会講演概要集(CD-ROM), 22 Mar. 2016

  
• 新規層状カルコゲナイド化合物の合成と磁性

  松本勇輝; 山本隆文; 竹入史隆; 林直顕; 陰山洋; ZHI Li; 遠山貴己

  日本化学会春季年会講演予稿集(CD-ROM), 10 Mar. 2016

  
• 高温トポケミカル反応による新規酸窒化物の合成

  三木田梨歩; 阿波連知子; 山本隆文; 竹入史隆; 吉宗航; 藤田晃司; 吉田傑; 田中勝久; BATUK Dmitry; ABAKUMOV Artem M; ABAKUMOV Artem M; BROWN Craig M; 小林洋治; 小林洋治; 陰山洋; 陰山洋

  日本化学会春季年会講演予稿集(CD-ROM), 10 Mar. 2016

  
• ペロブスカイト型チタン酸化物におけるH^-/O^2-交換

  竹入史隆; 會津康平; 三木田梨歩; 山本隆文; 小林洋治; 陰山洋; 矢島健

  日本セラミックス協会年会講演予稿集(CD-ROM), 01 Mar. 2016

  
• 新規層状アンチモン化物の合成と磁気物性

  村上泰斗; 山本隆文; TASSEL Cedric; 高津浩; 陰山洋

  日本物理学会講演概要集(CD-ROM), 2016

  
• 新規層状アンチモナイドの合成と磁気物性

  村上泰斗; 山本隆文; TASSEL Cedric; 高津浩; 陰山洋

  日本セラミックス協会年会講演予稿集(CD-ROM), 2016

  
• 金属秩序NiAs型構造を持つ磁性体HfMnSb₂の次元性制御

  村上泰斗; 山本隆文; 高津浩; 陰山洋; YUSUF S.M.

  日本物理学会講演概要集(CD-ROM), 2016

  
• 金属秩序NiAs型構造を持つ磁性体HfMnSb₂の次元性制御

  村上泰斗; 山本隆文; 高津浩; 陰山洋; YUSUF S.M.

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 2016

  
• 高温トポケミカル反応による新規酸窒化物の合成

  三木田梨歩; 阿波連知子; 山本隆文; 竹入史隆; 吉宗航; 藤田晃司; 田中勝久; 陰山洋

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 01 Sep. 2015

  
• トポケミカル反応による新規バナジウム酸窒化物の合成

  出雲菜々; 山本隆文; 竹入史隆; 陰山洋

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 01 Sep. 2015

  
• ヒドリドを活用した新規酸窒化物合成

  竹入史隆; 矢島健; 吉宗航; 山本隆文; 小林洋治; 陰山洋

  京都大学低温物質科学研究センター誌, Jun. 2015

  
• 新規チタン酸窒化物(2):BaTiO_3-xN_2x/3の物性

  竹入史隆; 會津康平; 吉宗航; 藤田晃司; 田中勝久; 山本隆文; 小林洋治; 陰山洋; 矢島健; 赤松寛文; LEI Shiming; GOPALAN Venkatraman

  日本セラミックス協会年会講演予稿集(CD-ROM), 06 Mar. 2015

  
• 新規チタン酸窒化物(1):BaTiO_3-xN_2x/3の合成

  竹入史隆; 會津康平; 吉宗航; 山本隆文; 小林洋治; 陰山洋; 矢島健

  日本セラミックス協会年会講演予稿集(CD-ROM), 06 Mar. 2015

  
• 9pAD-11 Nonlinear terahertz spin dynamics in rare-earth orthoferrite HoFeO_3

  Mukai Y.; Hirori H.; Yamamoto T.; Kageyama H.; Tanaka K.

  Meeting abstracts of the Physical Society of Japan, 22 Aug. 2014

  
• 9aBC-7 High spin - intermediate spin transition of Sr_<0.7>Eu_<0.3>FeO_2

  Yamaguchi Junta; Kawakami Takateru; Yamamoto Takafumi; Kobayashi Youji; Kageyama Hiroshi; Kawamura Naomi; Mizumaki Masaichiro

  Meeting abstracts of the Physical Society of Japan, 22 Aug. 2014

  
• 新規層状ニクタイド水素化物の合成

  野崎保将; 矢島健; 矢島健; 吉宗航; 後藤能宏; TASSEL Cedric; 山本隆文; 小林洋治; 陰山洋

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 2014

  
• トポケミカル酸化反応による新規ペロブスカイト薄膜の合成

  吉宗航; TASSEL Cedric; BOUILLY Guillaume; 寺嶋孝仁; 山本隆文; 小林洋冶; 陰山洋

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 2014

  
• ビスマス化物新規超伝導物質の探索

  村上泰斗; 山本隆文; 吉宗航; 中野晃佑; 陰山洋

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 2014

  
• 新超伝導体BaTi₂Bi₂OおよびBaTi₂Pn₂O(Pn=As,Sb,Bi)の電子相図

  矢島健; 中野晃佑; 竹入史隆; 野崎保将; HESTER James; 山本隆文; 辻成希; KIM Jungeun; 藤原明比古; 小林洋治; 陰山洋

  応用物理学会秋季学術講演会講演予稿集(CD-ROM), 31 Aug. 2013

  
• アニオン固溶系BaTi₂Pn₂O(Pn=As,Sb,Bi)の超伝導物性

  野崎保将; 矢島健; 中野晃佑; 竹入史隆; 山本隆文; 小林洋治; 陰山洋; 藤原明比古; KIM Jungeun; 辻成希; HESTER James

  日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM), 28 Aug. 2013

  
• 新規チタン酸水素化物(2):(Ca,Sr,Ba)TiO_3-xH_x

  坂口辰徳; 矢島健; 小林洋治; 大倉仁寿; 竹入史隆; 光岡新悟; 大久保博史; 山本隆文; HESTER James; ANDEEV Maxim; 大山研司; 陰山洋

  日本セラミックス協会年会講演予稿集, 19 Mar. 2012

  
• 25pTE-12 Phase Transitions of Site-Random Model with Anisotropic Interactions

  Tamura Ryo; Kawashima Naoki; Seinberg Luis; Yamamoto Takafumi; Kageyama Hiroshi

  Meeting abstracts of the Physical Society of Japan, 03 Mar. 2011, Peer-reviewed

  
• 25aPS-17 Mossbauer spectroscopy for SrFe_<0.8>Mn_<0.2>O_2 under high pressure

  Watanabe Yoshitaka; Kawakami Takateru; Nakakura Yuta; Yamamoto Takahumi; Kageyama Hiroshi; Takano Mikio

  Meeting abstracts of the Physical Society of Japan, 03 Mar. 2011, Peer-reviewed

  
• Li₂MnO₃系正極材料の酸素不定比性と電子・局所構造解析

  大石昌嗣; 川村渥史; 折笠有基; 藤本貴洋; 高梨優; 山本隆文; 小林洋治; 陰山洋; 谷田肇; 荒井創; 石井秀司; 渡邊巌; 太田俊明; 内本喜晴; 内本喜晴; 小久見善八

  固体イオニクス討論会講演要旨集, 2011

  
• 23aGC-4 Mossbauer spectroscopy of Sr_3Fe_2O_5 under high pressure

  Yoshida Hideto; Kawakami Takateru; Kageyama Hiroshi; Yamamoto Takafumi; Tassel Cedric; Yoshimura Kazuyoshi; Nasu Saburo

  Meeting abstracts of the Physical Society of Japan, 01 Mar. 2010

  
• 26aRA-6 Mossbauer Effect of Sr_<1-x>Ca_xFeO_2

  Hayashi Naoaki; Yamamoto Takafumi; Tassel Cedric; Tsujimoto Yoshinori; Kageyama Hiroshi; Yoshimura Kazuyoshi; Takano Mikio

  Meeting abstracts of the Physical Society of Japan, 18 Aug. 2009

  
• 27aQJ-2 Synthesis and Magnetism of Two-Dimensional Quantum Spin System (CuCl)Ca_2NaNb_4O_<13>

  Kitada A.; Kageyama H.; Tsujimoto Y.; Yamamoto T.; Ajiro Y.; Narumi Y.; Kindo K.; Nishi M.; Kiuchi Y.; Ichihara M.; Ueda Y.; Uemura Y. J.; Yoshimura K.

  Meeting abstracts of the Physical Society of Japan, 18 Aug. 2009

  
• 27pRE-10 Frustrated Magnetism in Co- and Mn-Substituted Infinite Layer Iron Oxide SrFeO_2

  Yamamoto T.; Sumida Y.; Seimberg Liis; Kageyama H.; Watanabe T.; Tassel Cedric; Nishi M.; Hayashi N.; Tsujimoto Y.; Kitada A.; Yoshimura K.

  Meeting abstracts of the Physical Society of Japan, 18 Aug. 2009

  
• 30aTC-8 μSRで見た鉄砒素超伝導体の磁性と超伝導(30aTC 鉄砒素超伝導体5(中性子,NMR),領域8(強相関系:高温超伝導,強相関f電子系など))

  後神 達郎; Carlo J. P.; Aczel A. A.; Williams T. J.; Yu W.; Luke G. M.; Sanchez-Candela D. R.; Baggio-Saitovitch E.; 山本 隆文; 陰山 洋; Ni N.; Bud'ko S. L.; Canfield P. C.; Chen G. F.; Wang N. L.; Dai Pengcheng; Uemura Y. J.

  日本物理学会講演概要集, 03 Mar. 2009

  
• 28aTH-11 Synthesis, structure and magnetism of BaFeO_2

  Yamamoto T.; Saito T.; Kageyama H.; Hayashi N.; Takano M.; Tassel Cedric; Tsujimoto Y.; Kitada A.; Oyama K.; Shimakawa Y.; Yoshimura K.

  Meeting abstracts of the Physical Society of Japan, 03 Mar. 2009

  
• 29pTG-6 Characterization of Two-Dimensional Spin System (CrCl)LaNb_2O_7

  Kitada A.; Tsujimoto Y.; Watanabe T.; Yamamoto T.; Kageyama H.; Ajiro Y.; Yoshimura K.; Nishi M.

  Meeting abstracts of the Physical Society of Japan, 03 Mar. 2009

  
• 20pQG-6 Synthesis and structural phase transition of the infinite-layer iron oxide Sr_<1-x>Ba_xFeO_2

  Yamamoto T.; Saito T.; Kageyama H.; Hayashi N.; Takano M.; Tassel Cedric; Tsujimoto Y.; Shimakawa Y.; Yoshimura K.

  Meeting abstracts of the Physical Society of Japan, 25 Aug. 2008

  
• 23aPS-68 Synthesis of Infinite-Layer Iron Oxides: Sr_<1-x>Ba_xFeO_2

  Yamamoto T.; Tsujimoto Y.; Tassel C.; Watanabe T.; Kageyama H.; Yoshimura K.

  Meeting abstracts of the Physical Society of Japan, 29 Feb. 2008

  

External funds: Kakenhi

• Green Routes for Developing Non-toxic Layered Perovskites for Optoelectronic Applications

  Grant-in-Aid for JSPS Fellows

  Basic Section 34010:Inorganic/coordination chemistry-related

  Kyoto University

  山本 隆文

  From 01 Oct. 2024, To 31 Mar. 2027, Granted

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24KF0147/
• 特異なアニオン欠損面を持つ新規ペロブスカイトの開拓

  Grant-in-Aid for Scientific Research (B)

  Basic Section 26020:Inorganic materials and properties-related

  Institute of Science Tokyo

  山本 隆文

  From 01 Apr. 2022, To 31 Mar. 2025, Granted

  ペロブスカイト;アニオン欠陥;電気磁気特性;電気化学特性;アニオン欠損;配位環境;電気磁気物性;電気化学;ペロブスカイト酸化物

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K23035/
• Exploring physicochemical properties of Supra-ceramics

  Grant-in-Aid for Transformative Research Areas (A)

  Transformative Research Areas, Section (II)

  Kyoto University

  堀毛 悟史

  From 16 Jun. 2022, To 31 Mar. 2027, Granted

  相転移;電子伝導;不均一触媒;機械的特性;界面物性;セラミックス;力学特性;ハイブリッドペロブスカイト;超伝導;超セラミックス;相変化;伝導性

  https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-22H05147/
• Synthesis of layered compounds based on differences in compressibility

  Grant-in-Aid for Challenging Research (Exploratory)

  Medium-sized Section 36:Inorganic materials chemistry, energy-related chemistry, and related fields

  Tokyo Institute of Technology

  Yamamoto Takafumi

  From 28 Jun. 2019, To 31 Mar. 2022, Project Closed

  高圧;圧縮率;層状構造;複合アニオン;高圧合成;オキシカルコゲナイド

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19K22230/
• Understanding of Mixed Anion Compounds: Analyses of Chemical, Structural and Electronic States

  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

  Science and Engineering

  Kyushu University

  Katsuro Hayashi

  From 30 Jun. 2016, To 31 Mar. 2021, Project Closed

  複合アニオン化合物;構造解析;第一原理計算;ヒドリドイオン;高速イオン伝導;配位多面体幾何;放射光X線分光;複合アニオン;回折法;電子顕微鏡;Ｘ線吸収分光;核磁気共鳴;理論計算;高圧合成;複合アニオ;解析・評価;セラミックス;無機工業化学;構造・機能材料;核磁気共鳴法;結晶化学;低次元物質;その場計測;混合アニオン

  https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-16H06440/
• Summary of Synthesis of Mixed Anion Compounds toward Novel Functionalities

  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

  Science and Engineering

  Kyoto University

  Hiroshi Kageyama

  From 30 Jun. 2016, To 31 Mar. 2021, Project Closed

  複合アニオン化合物;セラミックス;酸水素化物;酸窒化物;酸フッ化物;固体化学;複合アニオン;新物質;機能開発

  https://kaken.nii.ac.jp/grant/KAKENHI-ORGANIZER-16H06438/
• Structure and Physical property design by high compressibility of hydride ion

  Grant-in-Aid for Young Scientists (A)

  Tokyo Institute of Technology;Kyoto University

  Takafumi Yamamoto

  From 01 Apr. 2016, To 31 Mar. 2020, Project Closed

  ヒドリド;酸水素化物;高圧;ペロブスカイト;バナジウム

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16H06033/
• Selective Intercalation Chemistry of Layered Inorganic Compounds

  Grant-in-Aid for Scientific Research (A)

  Kyoto University

  Kageyama Hiroshi

  From 01 Apr. 2016, To 31 Mar. 2019, Project Closed

  機能材料;層状化合物;複合アニオン;インターカレーション;配位

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16H02267/
• Synthesis and characterization of extremely low valent iron

  Grant-in-Aid for Challenging Exploratory Research

  Kyoto University

  Yamamoto Takafumi

  From 01 Apr. 2014, To 31 Mar. 2017, Project Closed

  鉄一価;低原子価;高圧;電荷移動;平面四配位

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26620044/
• 平面四配位鉄酸化物の金属化・強磁性体化

  Grant-in-Aid for Research Activity Start-up

  Kyoto University

  山本 隆文

  From 30 Aug. 2013, To 31 Mar. 2015, Declined

  平面四配位;鉄酸化物;高圧;電荷移動転移

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25889037/

Education

Teaching subject(s)

• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Inorganic Chemistry IA

  7064, Spring, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Inorganic Chemistry IB

  7065, Fall, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Advanced Inorganic Chemistry IA

  7168, Spring, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Inorganic Chemistry ID

  7067, Fall, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Seminar on Inorganic Chemistry IC

  7066, Spring, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Advanced Inorganic Chemistry ID

  7171, Fall, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Advanced Inorganic Chemistry IC

  7170, Spring, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Advanced Inorganic Chemistry IB

  7169, Fall, Graduate School of Science, 1
• From 01 Apr. 2025, To 31 Mar. 2026

  Special study course II (Chemistry) 10

  5637, Year-long, Faculty of Science, 12
• From 01 Apr. 2025, To 31 Mar. 2026

  Exercises in Inorganic and Solid State Chemistry

  3627, Fall, Faculty of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Solid State Physics & Chemistry I

  3608, Spring, Faculty of Science, 2
• From 01 Apr. 2025, To 31 Mar. 2026

  Advanced Lecture on Structures of Inorganic Materials I

  7014, Fall, Graduate School of Science, 2

Participation in PhD Defense

• Study on Synthesis and Physical Properties of Dinuclear Platinum Complexes

  Peng-Hao Wang, Graduate School of Science, Sub-chief Examiner

  24 Mar. 2025

Administration

Faculty management (title, position)

• From 01 Apr. 2025, To 31 Mar. 2026

  理学部・教育委員会委員
• From 01 Apr. 2025, To 31 Mar. 2026

  理学部・教育委員会　少人数担任委員会委員
• From 01 Apr. 2025, To 31 Mar. 2026

  理学研究科研究科会議構成員