Doctor of Engineering, 東京大学, Mar. 1991

thermal analysis

thermodynamics

Phase transition

Electric Property

Solid Oxide Fuel Cell

Defect

Electron Diffraction

X-ray Diffraction

Crystal Structure

Electronic Structure

Defect

Superconductor

Inorganic Material Chemistry

Physical Chemistry

Solid State Physics II

Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Electronic devices and equipment, Functional Materials/Device

Nanotechnology/Materials, Functional solid-state chemistry, Functional Material Chemistry

Natural sciences, Magnetism, superconductivity, and strongly correlated systems, Solid State Physics II

Nanotechnology/Materials, Inorganic materials, Inorganic Material Chemistry

Nanotechnology/Materials, Basic physical chemistry, Physical Chemistry

Apr. 2006 - Present
Professor, Nihon University

Apr. 2001 - Mar. 2006
Associate Professor, Nihon University

Apr. 1999 - Mar. 2001
Lecturer, Nihon University

Oct. 1993 - Mar. 1999
Research Associate, University of Tokyo

Apr. 1993 - Sep. 1993
Research Associate, Molecular Science Laboratory

Apr. 1991 - Mar. 1993
Research Associate, Tokyo Institute of Technology

1991
The University of Tokyo, Graduate School, Division of Engineering, 化学エネルギー工学

1986
The University of Tokyo, Faculty of Engineering, 工業化学

Oct. 2024 - Oct. 2024

Jul. 2016 - Jun. 2018
大会学術企画委員, 電気化学会

Oct. 2012 - Oct. 2013
学会誌編集委員長, 日本熱測定学会

Sep. 2024
日本熱測定学会, 日本熱測定学会学会賞
熱分析による高機能性酸化物の相転移およびガスとの相互作用の研究
橋本拓也

2001年電気化学会論文賞

★材料の熱膨張の制御方法およびゼロ膨張材料の探索
杉本隆之; 橋本拓也; 藤森裕基
Material Stage, Mar. 2025

★A new method for the preparation of high-purity CO₂-absorbing Li₃NaSiO₄ powder using lithium silicate and sodium carbonate
Shumpei Iwasaki; Kosuke Shido; Takuya Hashimoto
Dalton Transactions, 2022, Refereed, Not invited
Last

★Thermodynamic and kinetics analyses of high CO₂ absorption properties of Li₃NaSiO₄ under various CO₂ partial pressures
Manami Hirai; Eiki Niwa; Takuya Hashimoto
Dalton Transactions, 2021, Refereed, Not invited
Last

Chemical state of Fe and its effect on electrical conductivity of cubic Sr1–xLaxFeO3–δ
Keina Nagai; Takayuki Sugimoto; Takuya Hashimoto; Eiki Niwa; Motoyuki Matsuo
Solid State Ionics, Oct. 2026, Refereed, Not invited
Corresponding

Structural phase transitions and their impact on thermal expansion and electrical conductivity in SrFeO_3-δ with various oxygen contents
Taizo Yoshino; Kosuke Shido; Takayuki Sugimoto; Takuya Hashimoto
Journal of Thermal Analysis and Calorimetry, 2026, Refereed, Not invited
Last

Analysis of chemical state of Fe in cubic Sr_1-xLn_xFeO_3-δ and SrFe_1-xLn_xO_3-δ (Ln: Tm, Yb, Lu) by Mössbauer spectroscopy and its effect on electrical conduction property
Keina Nagai; Ryutaro Maehara; Takayuki Sugimoto; Kosuke Shido; Takuya Hashimoto; Motoyuki Matsuo
Journal of Radioanalytical and Nuclear Chemistry, Dec. 2025, Refereed, Not invited
Corresponding

Preparation of partially Y-or Yb-substituted SrFeO_3-δ with cubic perovskite structure and its electrical conduction properties
Keina Nagai; Chihiro Kato; Ryutaro Maehara; Taizo Yoshino; Takayuki Sugimoto; Kosuke Shido; Takuya Hashimoto; Fumito Fujishiro; Eiki Niwa; Motoyuki Matsuo
Solid State Ionics, Dec. 2025, Refereed, Not invited
Corresponding

Structural Phase Transition and Interaction with Gas Phase of Functional Oxides – SrFeO_3-δ as an Example
Takuya Hashimoto
熱測定, Jul. 2025, Refereed, Invited
Lead

Structural phase transition behavior of tetragonal and orthorhombic SrFeO_3-δ and its effects on thermal expansion and electrical conduction properties
Taizo Yoshino; Shiho Hatano; Takayuki Sugimoto; Kosuke Shido; Takuya Hashimoto
Solid State Ionics, Apr. 2025, Refereed, Not invited
Last

Li₃NaSiO₄ as reversible CO₂ absorbent: elucidation of performance-governing factors and regeneration mechanism
Shumpei Iwasaki; Taizo Yoshino; Mao Mitsuhashi; Kosuke Shido; Takuya Hashimoto
Journal of Thermal Analysis and Calorimetry, 2025, Refereed, Not invited
Last

Preparation of Li₃NaSiO₄ Powder with High Purity and Its CO₂ Absorption/Desorption Mechanism and Cyclic Property
Shumpei Iwasaki; Manami Hirai; Kosuke Shido; Takuya Hashimoto
Netsu Sokutei, Oct. 2024, Refereed, Not invited
Last

Miscibility gap by oxygen content in SrFeO_3-δ: examination using X-ray diffraction and Mössbauer spectroscopy
Kosuke Shido; Taizo Yoshino; Shiho Hatano; Motoyuki Matsuo; Takuya Hashimoto
Interactions, Sep. 2024, Refereed, Not invited
Last

Cyclic CO₂ absorption/desorption property of Li₃NaSiO₄ under the partial pressure of CO₂ for practical applications
Shumpei Iwasaki; Kosuke Shido; Fumito Fujishiro; Takuya Hashimoto
Dalton Transactions, Apr. 2024, Refereed, Not invited
Corresponding

Optimization of the Preparation Method for Homogeneous Ceramic SrFeO_3-δ
Kosuke Shido; Taizo Yoshino; Kazuya Sasaki; Takuya Hashimoto
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2024, Refereed, Not invited
Last

B-Site Mixing Effect on the Redox Reaction of Mn Ions in Perovskite-Type SrFe_1–xMn_xO_3−δ
Fumito Fujishiro; Masatsugu Oishi; Takuya Hashimoto; Katsumi Shozugawa; Motoyuki Matsuo
The Journal of Physical Chemistry C, Sep. 2023, Refereed, Not invited

Fabrication of aluminum titanate–glass composites with controlled thermal expansion and improved mechanical strength
Takayuki Sugimoto; Takuya Hashimoto; Takato Takemura; Daisuke Yokota; Hiroki Fujimori
Ceramics International, Jun. 2023, Refereed, Not invited

Relationship among the local structure, chemical state of Fe ions in Fe-O polyhedra, and electrical conductivity of cubic perovskite Ba_1-xSr_xFe_0.9In_0.1O_{3-δ
Fumito Fujishiro; Chinatsu Sasaoka; Masatsugu Oishi; Takuya Hashimoto; Katsumi Shozugawa; Motoyuki Matsuo
Materials Research Bulletin, 2021, Refereed, Not invited}

Synthesis of Ba_1-xLn_xFeO_3-δ and BaFe_1-xLn_xO_3-δ (Ln: lanthanoide or Y) with cubic perovskite structure and disordered oxide ion vacancy
Yunosuke Matsumotoa; Takashi Okiba; Reito Iwabuchi; Shogo Shimizu; Masaki Kitadume; Hirokazu Fukunaga; Akihiro Takahashi; Takuya Hashimoto
Journal of the Ceramic Society of Japan, Nov. 2020, Refereed, Not invited
Corresponding

Oxygen absorption and desorption behavior of Ba_0.5La_0.5FeO_3-δ and its effect on crystal structure and electrical conduction properties
Takashi Okiba; Katsumi Shozugawa; Motoyuki Matsuo; Takuya Hashimoto
Solid State Ionics, Mar. 2020, Refereed, Not invited

Evaluation of stability of Pr_2-xNd_xNiO_4-δ by thermogravimetry under various oxygen partial pressures
Mamoru Sakai; Chengkun Wang; Takashi Okiba; Haruki Soga; Takuya Hashimoto
Journal of Thermal Analysis and Calorimetry, 2020, Refereed, Not invited
Corresponding

Variation in crystal structure of Ln₂Ni_1-xCu_xO_4+δ (Ln: La, Pr, Nd, Sm, Eu, and their solid solution) based on type of Ln
Chengkun Wang; Haruki Soga; Takao Yugi; Mamoru Sakai; Takashi Okiba; Takuya Hashimoto
Journal of the Ceramic Society of Japan, Oct. 2019, Refereed, Not invited
Lead

Retraction notice to “Thermodynamics of the CO2 absorption in BaCeO3 and SrCeO3 using thermogravimetric and differential thermal analyses” (Materials Research Bulletin (2019) 109 (213–221), (S0025540818301521) (10.1016/j.materresbull.2018.06.033))
Eiki Niwa; Kaori Kondo; Masatake Aoki; Ryuhei Sato; Ryo Yoshizawa; Fumito Fujishiro; Masatomo Yashima; Takuya Hashimoto
Materials Research Bulletin, Apr. 2019

Thermodynamics of the CO2 absorption in BaCeO3 and SrCeO3 using thermogravimetric and differential thermal analyses
Eiki Niwa; Kaori Kondo; Masatake Aoki; Ryuhei Sato; Ryo Yoshizawa; Fumito Fujishiro; Masatomo Yashima; Takuya Hashimoto
Materials Research Bulletin, Jan. 2019

Construction of structural phase diagram of Nd₂Ni_1-xCu_xO_4+δ and effect of crystal structure and phase transition on electrical conduction behavior
Chengkun Wang; Haruki Soga; Takashi Okiba; Eiki Niwa; Takuya Hashimoto
Materials Research Bulletin, 2019, Refereed, Not invited
Corresponding

Thermal analysis of structural phase transition behavior of Ln₂Ni_1-xCu_xO_4+δ (Ln = Nd, Pr) under various oxygen partial pressures
Mamoru Sakai; Chengkun Wang; Takashi Okiba; Haruki Soga; Takuya Hashimoto
Journal of Thermal Analysis and Calorimetry, 2019, Refereed, Not invited
Corresponding

Investigation of the arrangement of oxide ion vacancies and their effect on the crystal structure of BaFe_0.9In_0.1O_3-δ
Fumito Fujishiro; Chinatsu Sasaoka; Yusuke Shibata; Kenji Tsuda; Takuya Hashimoto
Journal of the American Ceramic Society, 2019, Refereed, Not invited

Dependence of crystal structure, Morphology and electrical conductivity of Pr₂Ni_1-xCu_xO_4+δ and PrLaNi_1-xCu_xO_4+δ ceramics on Cu content
T. Hashimoto; T. Yugi; M. Sasaki; C. Wang; M. Sakai; H. Soga; T. Okiba
ECS Transactions, 2019, Refereed, Not invited
Lead

Analysis of phase transition by variation of oxide ion content in BaFe0.9In0.1O3− δ as oxygen storage material using Mössbauer spectroscopy – Discovery of magnetic phase transition with cubic structure maintained
Fumito Fujishiro; Minako Izaki; Chinatsu Sasaoka; Takuya Hashimoto; Katsumi Shozugawa; Motoyuki Matsuo
Materials Letters, Oct. 2018, Refereed, Not invited

Preparation of Ba1−xLaxFeO3−δ (x = 0.1–0.6) with cubic perovskite phase and random distribution of oxide ion vacancy and their electrical conduction property and thermal expansion behavior
Takashi Okiba; Tsubasa Sato; Fumito Fujishiro; Eiki Niwa; Takuya Hashimoto
Solid State Ionics, Jul. 2018, Refereed, Not invited

Chemical compatibility of Sr₂MgMoO_6-δ with representative electrolyte materials and interlayer materials for solid oxide fuel cells
Shungo TAKANO; Kiyoto SHIN-MURA; Eiki NIWA; Takuya HASHIMOTO; Kazuya SASAKI
Journal of the Ceramic Society of Japan, Jun. 2018, Refereed, Not invited
Corresponding

Analysis of CO₂ Absorption Property of Li₄SiO₄ by Thermogravimetry
Shingo Kaniwa; Eiki Niwa and Takuya Hashimoto
熱測定, Apr. 2018, Refereed, Not invited

Enhancement of the oxygen desorption/absorption property of BaFe1−xInxO3−δ by In substitution for Fe site
Fumito Fujishiro; Minako Izaki; Takuya Hashimoto
Journal of the American Ceramic Society, Apr. 2018, Refereed, Not invited

Evaluation of reaction kinetics of CO₂ and Li₄SiO₄ by thermogravimetry under various CO₂ partial pressures
Shingo Kaniwa; Masatoshi Yoshino; Eiki Niwa; Takuya Hashimoto
Materials Reseach Bulletin, Jan. 2018, Refereed, Not invited

Analysis of chemical reaction between Li₄SiO₄ and CO₂ by thermogravimetry under various CO₂ partial pressures-Clarification of CO₂ partial pressure and temperature region of CO₂ absorption or desorption
Shingo Kaniwa; Masatoshi Yoshino; Eiki Niwa; Masatomo Yashima; Takuya Hashimoto
Materials Research Bulletin, Oct. 2017, Refereed, Not invited

Preparation of Structural phase diagram of Nd2Ni1-xCuxO4+δ as new cathode materials - Clarification of existence of miscibility gap
C. K. Wang; H. Soga; T. Hayashi; T. Morise; E. Niwa; T. Hashimoto
ECS Transactions, May 2017, Refereed, Not invited

Preparation of structural phase diagram of Ln2Ni1-xCuxO4+δ (Ln=La, Pr, Nd, Sm, Eu) as new cathode materials: Variation of structural phase diagram on kind of Ln
H. Soga; C. K. Wang; T. Hayashi; T. Morise; E. Niwa; T. Hashimoto
ECS Transactions, May 2017, Refereed, Not invited

Crystal structure, thermal expansion and electrical conduction behavior of PrNi1-xFexO3-delta at high temperature
Kazuhiro Kurata; Yuichiro Toyota; Tsubasa Sato; Eiki Niwa; Katusmi Shozugawa; Motoyuki Matsuo; Takuya Hashimoto
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, Apr. 2017, Refereed, Not invited

Effect of chemical state and occupation site of RE (RE = Yb, Y, Eu, Sm, Nd) on crystal structure and optical property of BaCe1-xRExO3-delta -Analyses of origin of peculiar crystal structure and property of BaCe1-xRExO3-delta
Eiki Niwa; Tomomi Hosaka; Takahiro Onoe; Misa Shimizu; Yoshikiyo Hatakeyama; Ken Judai; Fumito Fujishiro; Takuya Hashimoto
MATERIALS RESEARCH BULLETIN, Mar. 2017, Refereed, Not invited

Synthesis of sr2mgmoo6by atmosphere-controlled calcination method and characterization for solid oxide fuel cells
Masahiro Kinoshita; Kyota Hara; Tomohiro Onozawa; Kiyoto Shin-Mura; Yu Otani; Seiya Ogawa; Eiki Niwa; Takuya Hashimoto; Kazuya Sasaki; Kazuya Sasaki; Kazuya Sasaki
Ceramic Engineering and Science Proceedings, Jan. 2017, Not refereed, Not invited

Synthesis of high purity li5ALO4powder by solid state reaction under the H2firing
Seiya Ogawa; Kiyoto Shin-Mura; Yu Otani; Eiki Niwa; Takuya Hashimoto; Tsuyoshi Hoshino; Kazuya Sasaki; Kazuya Sasaki; Kazuya Sasaki
Ceramic Engineering and Science Proceedings, Jan. 2017, Not refereed, Not invited

Dependence of Structural Phase Transition of Ln₂NiO_4+δ (Ln=Nd, Pr) on Oxygen Partial Pressures
Eiki Niwa and Takuya Hashimoto
熱測定, Jan. 2017, Refereed, Not invited

Synthesis of high-purity Li8ZrO6powder by solid state reaction under hydrogen atmosphere
Kiyoto Shin-mura; Yu Otani; Seiya Ogawa; Eiki Niwa; Takuya Hashimoto; Tsuyoshi Hoshino; Kazuya Sasaki; Kazuya Sasaki
Fusion Engineering and Design, Nov. 2016, Not refereed, Not invited

Dependence of crystal structure, phase transition temperature, chemical state of Fe, oxygen content and electrical conductivity of Ba2-xLaxFe2O5+delta (x=0.00-0.15) on La content
Sato, Tsubasa; Okiba, Takashi; Shozugawa, Katsumi; Matsuo, Motoyuki; Fujishiro, Fumito; Niwa, Eiki; Hashimoto, Takuya
SOLID STATE IONICS, Jul. 2016, Refereed, Not invited

Relationship Between the Arrangement of Oxide Ion Vacancies and Oxide Ion Conduction in Ba-2(Fe0.9In0.1)(2)O-5 (+) (delta)
Fumito Fujishiro; Dai Kadota; Takuya Hashimoto
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Jun. 2016, Refereed, Not invited

Analysis of oxidation decomposition reaction scheme and its kinetics of delafossite-type oxide CuLaO₂ by thermogravimetry and high-temperature X-ray diffraction
Fumito Fujishiro; Sayo Takaichi; Kosuke Hirakawa; Takuya Hashimoto
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, Mar. 2016, Not refereed, Not invited

Analysis of thermal stability of LaNi1-xFexO3-delta (x=0.0, 0.2, 0.4) by thermogravimetry and high-temperature X-ray diffraction under controlled oxygen partial pressures
Yuta Morishima; Eiki Niwa; Takuya Hashimoto
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, Mar. 2016, Refereed, Not invited

Dependence of thermal expansion of LaNi0.6Fe0.4O3 (- delta) and La0.6Sr0.4Co0.2Fe0.8O3 (-) (delta) on oxygen partial pressure
Eiki Niwa; Takuya Hashimoto
SOLID STATE IONICS, Feb. 2016, Refereed, Not invited

Electrical conduction mechanism of LaNixMe1-xO3-delta (Me = Fe, Mn)
Eiki Niwa; Hiroki Maeda; Chie Uematsu; Takuya Hashimoto
MATERIALS RESEARCH BULLETIN, Oct. 2015, Refereed, Not invited

Li vaporization property of two-phase material of Li2TiO3 and Li2SiO3 for tritium breeder
Seiya Ogawa; Yuki Masuko; Hirokazu Kato; Hayato Yuyama; Yutaro Sakai; Eiki Niwa; Takuya Hashimoto; Keisuke Mukai; Tsuyoshi Hosino; Kazuya Sasaki
FUSION ENGINEERING AND DESIGN, Oct. 2015, Refereed, Not invited

Prevention of sulfer poisoning and performance recovery of sulfer-poisoned-anode electrode by shifting amode electrode potential
Yuki Yamada; Ryusuke Okubo; Masahiro Kinoshita; Eiki Niwa; Takuya Hashimoto; Keita Tomomichi; Kazuya Sasaki
Journal of the Electrochemical Society, Jul. 2015, Refereed, Not invited

Dependence of crystal symmetry, electrical conduction property and electronic structure of LnFeO(3) (Ln: La, Pr, Nd, Sm) on kinds of Ln(3+)
Niwa, Eiki; Sato, Tsubasa; Watanabe, Yuki; Toyota, Yuichiro; Hatakeyama, Yoshikiyo; Judai, Ken; Shozugawa, Katsumi; Matsuo, Motoyuki; Hashimoto, Takuya
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, Jun. 2015, Refereed, Not invited

Oxygen nonstoichiometry and electrical conductivity of LaNi0.6Fe0.4O3-delta at high temperatures under various oxygen partial pressures
Eiki Niwa; Chie Uematsu; Junichiro Mizusaki; Takuya Hashimoto
SOLID STATE IONICS, Jun. 2015, Refereed, Not invited

Performance recovery of sulfur poisoning anode and prevention of sulfur poisoning by shifting anode potential for solid oxide fuel cell
Yuki Yamada; Ryosuke Okubo; Masahiro Kinoshita; Masashi Yoshinaga; Eiki Niwa; Takuya Hashimoto; Keita Tomomichi; Kazuya Sasaki
ECS Transactions, Jan. 2015, Not refereed, Not invited

Preparation of Dense Ba1-xSrxZr1-yYyO3-delta (y=0.0, 0.1) Ceramics by Pechini Method
Takayuki Sugimoto; Takuya Hashimoto
ELECTROCHEMISTRY, Oct. 2014, Refereed, Not invited

Structural phase relationship, sintering behavior and conducting property of Ba-1 (-) xSrxZr0.9Y0.1O3 (-) (delta)
Takayuki Sugimoto; Takuya Hashimoto
SOLID STATE IONICS, Oct. 2014, Refereed, Not invited

Analysis of structural phase transition behavior of Ln(2)NiO(4) (+) (delta) (Ln: Nd, Pr) with variation of oxygen content
Eiki Niwa; Kazuya Wakai; Tetsuya Hon; Takashi Nakamura; Keiji Yashiro; Junichiro Mizusaki; Takuya Hashimoto
SOLID STATE IONICS, Sep. 2014, Refereed, Not invited

Thermodynamic analyses of structural phase transition of Pr2NiO4+delta involving variation of oxygen content
Eiki Niwa; Kazuya Wakai; Tetsuya Hori; Keiji Yashiro; Junichiro Mizusaki; Takuya Hashimoto
THERMOCHIMICA ACTA, Jan. 2014, Refereed, Not invited

Evidence of variation of oxide ion content in structural phase transition of Ba2Fe2O5+delta observed by simultaneous TG-DTA-MS measurements
Fumito Fujishiro; Koji Okuda; Takuya Hashimoto
THERMOCHIMICA ACTA, Dec. 2013, Refereed, Not invited

Evaluation of kinetic stability against CO2 and conducting property of BaCe0.9-xZrxY0.1O3-delta
T. Okiba; F. Fujishiro; T. Hashimoto
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, Sep. 2013, Refereed, Not invited

STRUCTURAL VARIATION OF LAMNO(3+delta) BY OXYGEN NONSTOICHIOMETRY
Eiki Niwa; Hiroki Maeda; Takuya Hashimoto; Junichiro Mizusaki
Solid State Ionics: Ionics for Sustainable World, 2013, Refereed, Not invited

Electrical conductivity and defect structure of LaNi1-xFexO 3-δ
Eiki Niwa; Chie Uematsu; Junichiro Mizusaki; Takuya Hashimoto
ECS Transactions, 2013, Refereed, Not invited

Analysis of electrical conduction mechanism of LaNi_1-xMe_xO_3-δ (Me=Fe, Mn)
Eiki Niwa; Hiroki Maeda; Chie Uematsu; Takuya Hashimoto
ECS Transactions, 2013, Refereed, Not invited

Sintering temperature dependence of conductivity, porosity and specific surface area of LaNi_0.6Fe_0.4O₃ Ceramics as cathode material for solid oxide fuel cells-Superiority of Pechini method among various solution mixing processes
Eiki Niwa; Chie Uematsu; Takuya Hashimoto
Materials Research Bulletin, Jan. 2013, Refereed, Not invited

Photoluminescence properties of CuLa(1-x)Ln(x)O(2) (Ln: lanthanide)-intense and peculiar luminescence from Ln(3+) at the site with inversion symmetry
Fumito Fujishiro; Ryohei Sekimoto; Takuya Hashimoto
JOURNAL OF LUMINESCENCE, Jan. 2013, Refereed, Not invited

Evaluation of Specific Surface Area and Pore Size Distribution of LaNi0.6Fe0.4O3 Ceramics Prepared using Pechini Method by N-2 Adsorption Method-Optimization of Sintering Temperature as Cathode Material of Solid Oxide Fuel Cells
Eiki Niwa; Chie Uematsu; Takuya Hashimoto
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Dec. 2012, Refereed, Not invited

Kinetics and Mechanism of Chemical Reaction of CO2 and Ba2Fe2O5 Under Various CO2 Partial Pressures
Fumito Fujishiro; Yuki Kojima; Takuya Hashimoto
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Nov. 2012, Refereed, Not invited

X線回折と熱分析によるBa_1-xSr_xZrO₃の状態図の作成と新たなプロトン伝導体の探索
杉本隆之、橋本拓也
熱測定, Apr. 2012, Refereed, Not invited

Near infrared luminescence of CuLa_1-xLn_xO₂ (Ln: lanthanide ions) due to 4f transitions of Ln³⁺ in the site with inversion symmetry
Fumito Fujishiro; Katsutoshi Ito; Takuya Hashimoto
Materials Letters, Apr. 2012, Refereed, Not invited

Preparation of Al_2-xSc_x(MoO₄)₃ with Low Thermal Expansion and Analysis of Its Structural Phase Transition Behavior.
Choushichiroh Kitahara; Sugimoto Takayuki; Takuya Hashimoto
Netsu Sokutei, Apr. 2012, Refereed, Not invited

Analysis of structural phase transition from monoclinic Ba₂Fe₂O₅ to cubic Ba₂Fe₂O_5+δ
Fumito Fujishiro; Takuya Hashimoto
Thermochimica Acta, 2012, Refereed, Not invited

Phase transition behavior of mother phase of proton-conducting oxides, Sr_1-xBa_xZrO₃
Takayuki Sugimoto; Shinya Hasegawa; Takuya Hashimoto
Thermochimica Acta, Dec. 2011, Refereed, Not invited
Lead

The crystal structure and electrical conductivity of proton conducting, Ba_0.6Sr_0.4Zr_1-yY_yO_3-δ
Takayuki Sugimoto; Takuya Hashimoto
Solid State Ionics, Nov. 2011, Refereed, Not invited

CO₂ Absorption and Desorption Properties of Single Phase Ba₂Fe₂O₅ and Analysis of Their Mechanism Using Thermodynamic Calculation
Fumito Fujishiro; Kazuaki Fukasawa; Takuya Hashimoto
Journal of the American Ceramic Society, Nov. 2011, Refereed, Not invited

¹⁵¹Eu Moessbauer measurements of CuLa_1-xEu_xO₂ with luminescent property
Fumito Fujishiro; Takuya Hashimoto; Masashi Takahashi
Hyperfine Interactions, Oct. 2011, Refereed, Not invited

Chemical state of Fe in LaNi_1-xFe_xO₃ and its effect on electrical conduction behavior
Takuya Hashimoto; Eiki Niwa; Chie Uematsu; Erina Miyashita; Takashi Ohzeki; Katsumi Shozugawa; Motoyuki Matsuo
Hyperfine Interactions, Oct. 2011, Refereed, Not invited
Lead

Effect of Li/Ti ratio on microstructure and thermal diffusivity of lithium titanate for solid breeding material
Keisuke Mukai; Kazuya Sasaki; Takuya Hashimoto; Akihiro Suzuki; Tsuyoshi Hoshino; Takuyuki Terai
Fusion Engineering and Design, Oct. 2011, Refereed, Not invited

Structural analysis of Li₂TiO₃ by synchrotron X-ray diffraction at high temperature
Kazuki Omoto; Takuya Hashimoto; Kazuya Sasaki; Takayuki Terai; Tsuyoshi Hoshino; Masatomo Yashima
Journal of Nuclear Materials, Oct. 2011, Refereed, Not invited

p型透明導電性酸化物の速度論・平衡論的安定性
熱測定, Sep. 2011, Refereed, Not invited
Lead

Conductivity and sintering property of LaNi_1-xFe_xO₃ ceramics prepared by Pechini method
E. Niwa; C. Uematsu; E. Miyashita; T. Ohzeki; T. Hashimoto
Solid State Ionics, Aug. 2011, Refereed, Not invited

Preparation of BaCe_1-xY_xO_3-δ single phase by liquid phase mixing method and its structral variation on Y content
Misa Shimizu; Akimitsu Aoto; Takuya Hashimoto
Journal of the Ceramic Society of Japan, Jun. 2011, Refereed, Not invited

Analysis of structural phase transition of Nd₂NiO_4+δ by scanning thermal measurement under controlled oxygen partial pressures
E. Niwa; T. Nakamura; J. Mizusaki; T. Hashimoto
Thermochimica Acta, May 2011, Refereed, Not invited

Low temperature preparation of LaNi_1-xFe_xO₃ as new cathode material for SOFC - Advantage of liquid phase mixing method-
Eiki Niwa; Chie Uematsu; Erina Miyashita; Takeshi Ohzeki
ECS Transactions, May 2011, Refereed, Not invited

Optical properties of photoluminescent polycrystalline CuLa_0.98Eu_0.02O₂ thin film prepared by pulsed laser deposition at room temperature
Fumito Fujishiro; Ryohei Sekimoto
Materials Letters, May 2011, Refereed, Not invited

Substitution site and photoluminescence spectra of Eu³⁺-substituted SrTiO₃ prepared by Pechini method
Fumito Fujishiro; Tomonori Arakawa; Takuya Hashimoto
Materials Letters, Apr. 2011, Refereed, Not invited

ランタノイドイオンサイト制御による新規発光材料の探索
藤代史、村上真崇、関本亮平、荒川智則、橋本拓也
日本大学文理学部自然科学研究所「研究紀要」, Mar. 2011, Refereed, Not invited

Evaluation of thermodynamic and kinetic stability of P-type transparent conducting oxide, SrCu₂O₂ under various oxygen partial pressures.
Takayuki Sugimoto; Atsumi Yanagawa; Takuya Hashimoto
Thermochimica Acta, Mar. 2011, Refereed, Not invited

Analysis of order of structural phase transition of Sr1-xBa xZrO3 by temperature regulated X-ray diffraction and thermal analyses
T. Sugimoto; T. Hashimoto
IOP Conference Series: Materials Science and Engineering, 2011, Refereed, Not invited

Preparation of LaNi_1-xFe_xO₃ Single Phase and Characterization of Their Phase Transition Behaviors
Takeshi Ohzeki; Katsumi Shozugawa; Motoyuki Matsuo
Solid State Ionics, Dec. 2010, Refereed, Not invited
Corresponding

Orange liminescence of Eu³⁺-doped CuLaO₂ delafosite oxide
Fumito Fujishiro; Masataka Murakami; Masashi Takahashi
Journal of the Ceramic Society of Japan, Dec. 2010, Refereed, Not invited

Phase transition behavior of proton conducting oxides, Sr_1-xBa_xZrO₃
Takayuki Sugimoto; Shinya Hasegawa; Takuya Hashimoto
ECS Transactions, Nov. 2010, Refereed, Not invited
Corresponding

Investigation of phase transition of materials by hybridized thermal analyses
熱測定, Sep. 2010, Refereed, Not invited
Lead

Photoinduced phase transformations in boron nitride: new polytypic forms of sp³-bonded (6H- and 30H-) BN
Shojiro Komatsu; Kazuaki Kobayashi; Yuhei Sato; Daisuke Hirano; Takuya Nakamura; Takahiro Nagata; Toyohiro Chikyo; Takayuki Watanabe; Takeo Takizawa; Katsumitsu Nakamura; Takuya Hashimoto
The Journal of Physical Chemistry C, Jun. 2010, Refereed, Not invited

Investigation of structural phase transition behavior of SrZrO₃ by thermal analyses and high temperature X-ray diffraction
Shinya Hasegawa; Takayuki Sugimoto; Takuya Hashimoto
Solid State Ionics, May 2010, Refereed, Not invited
Corresponding

Development of Superior Preparation Process for High Functional and Homogeneous Cerium Containing Oxides –Analysis of Solid State Reaction Process and Development of New Process via Liquid Phase
A. Aoto; N. Hasumi; A. Kikuchi; Y. Sasaki; F.Fujishiro
Proceedings of the Institute of Natural Sciences, Nihon University, Mar. 2010, Refereed, Not invited
Corresponding

Neutron diffraction study of the crystal structure and structural phase transition of La_0.7Ca_0.3-xSr_xCrO₃ – Relationship between thermodynamic behavior crystal structure changes at the phase transition
K. Omoto; S. T. Norberg; S. Hull; A. Aoto
Journal of Solid State Chemistry, Jan. 2010, Refereed, Not invited
Corresponding

Evaluation of thermodynamic and kinetic stability of CuAlO₂ and CuGaO₂
Yuh Kumekawa; Motohiro Hirai; Yuhki Kobayashi; Satoshi Endoh; Eri Oikawa; Takuya Hashimoto
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY, Jan. 2010, Refereed, Not invited

Phase Transition Behavior of Proton Conducting Oxides, Sr1-xBaxZrO3
Takayuki Sugimoto; Shinya Hasegawa; Takuya Hashimoto
IONIC AND MIXED CONDUCTING CERAMICS 7, 2010, Refereed, Not invited

Analysis of phase transition behavior of BaCeO₃ with thermal analyses and high temperature X-ray diffraction
Takeshi Ohzeki; Shinya Hasegawa; Misa Shimizu; Takuya Hashimoto
Solid State Ionics, Jun. 2009, Refereed, Not invited

Construction of Structural Phase Diagram of LaGa_1-xMg_xO_3-δ by Using Various Diffraction Measurements and Thermal Analyses - Effect of Long Period Anti-Phase Domain Structure
T. Ohzeki; Y. Ogata; K. Tsuda; T. Hashimoto
Electrochemistry, Feb. 2009, Refereed, Not invited

Crystal Structure and Thermal Expansion Behavior of La_0.7Sr_0.3Ga_0.7Fe_0.2Mg_0.1O_3-δ at High Temperature - Effect of Chemical State of Fe and Oxygen Nonstoichiometry
O. Wakamatsu; A. Kuno; M. Matsuo; T. Hashimoto
Electrochemistry, Feb. 2009, Refereed, Not invited

Structral Analysis of Oxide Ion Conductor, Ba_2-xSr_xIn₂O₅ and Ba₂In_2-xGa_xO₅ - Significance of synchrotron X-ray diffraction at High Temperatures
T. Hashimoto; M. Yoshinaga; K. Nakano; K. Omoto; T. Sugimoto; M. Tanaka; M. Yashima
Journal of the Ceramic Society of Japan, Jan. 2009, Refereed, Not invited
Lead

Analysis of Crystal Structure and Phase Relationship of Ba_2-xLa_xIn₂O₅ by High Temperature Synchrotron Diffraction and Thermal Analyses - Control of Electrical Conductivity and Crystal Structure by concentration of Oxide Ion Vacancy
T. Hashimoto; T. Sugimoto; K. Omoto; M. Yoshinaga; M. Tanaka; M. Yashima
Journal of the Ceramic Society of Japan, Jan. 2009, Refereed, Not invited
Lead

Calculation of Photonic Energy Bands of TiO₂ Hollow Spherical Arrays
A. Buffaz; E. Oikawa; T. Hashimoto; S. Matsushita
Journal of Nanoscience and Nanotechnology, 2009, Refereed, Not invited

Crystal Structure of Advanced Lithium Titnate with Lithium Oxide Additives
Tsuyoshi Hoshino; Kazuya Sasaki; Kunihito Tsuchiya; Kimio Hayashi; Akihiro Suzuki; Takuya Hashimoto; Takayuki Terai
Journal of Nuclear Materials, 2009, Refereed, Not invited

Analysis of phase transition and expansion behaviour of Al₂(WO₄)₃ by temperature-regulated X-ray diffraction
Takuya Hashimoto; Takayuki Sugimoto; Kazuki Omoto; Nanami Kineri; Yoichiro Ogata; Kenji Tsuda
Physica Status Solidi B-Basic Solid State Physics, Nov. 2008, Refereed, Not invited

Space Group Determination of Al₂(WO₄)₃ using Convergent-Beam Electron Diffraction
Y. Ogata; K. Tsuda and T. Hashimoto
Japanese Journal of Applied Physics, Jun. 2008, Refereed, Not invited

Preparation of La_1-x-yCa_xSr_yCrO₃ with High-Density Structural Phase Transition and Electrical Conduction Properties
A. Mitsui; K. Homma; Y. Kumekawa; F. Nakamura; N. Ohba; Y. Hoshino and T. Hashimoto
Journal of the Electrochemical Society, May 2008, Refereed, Not invited

La_1-xSr_xCrO₃の磁性と結晶構造相転移との相関
橋本拓也
日本結晶学会誌, Apr. 2008, Refereed, Not invited
Lead

Analysis of Relationship between Magnetic Property and Crystal Structure of La_1-xSr_xCrO₃ (x=0.13, 0.15)
Y. Matsunaga; F. Nakamura; H. Takahashi and T. Hashimoto
Solid State Communications, 2008, Refereed, Not invited

Effect of Oxygen Nonstoichiometry on Electrical Conduction Property of BaBiO_3-δ
T. Hashimoto; M. Yamaguchi; Y. Sakurai and E. Oikawa
Journal of Physics and Chemistry of Solids, 2008, Refereed, Not invited
Lead

Analysis of Structural and Magnetic Phase Transition Behaviors of La_1-xSr_xCrO₃ by Measurement of Heat Capacity with Thermal Relaxation Technique
Y. Matsunaga; H. Kawaji; T. Atake; H. Takahashi; T. Hashimoto
Thermochimica Acta, 2008, Refereed, Not invited

Investigation of Chemical State of Fe and Oxide Ion Deficiency in La_1-xSr_xGa_1-y-zFe_yMg_zO_3-δ by Moessbauer Spectroscopy
O. Wakamatsu; M. Yamaguchi; T. Fumoto; T. Hashimoto; A. Kuno; M. Matsuo
Solid State Ionics, 2008, Refereed, Not invited

DSCおよび温度可変X線回折による機能性酸化物材料の相転移の解析
橋本拓也
セラミックス, Dec. 2007, Refereed, Not invited
Lead

Investigation of phase transition in Li₂TiO₃ by high temperature X-ray diffraction
Tsuyoshi Hoshino; Kenta Tanaka; Junichi Makita; Takuya Hashimoto
JOURNAL OF NUCLEAR MATERIALS, Aug. 2007, Refereed, Not invited

Thermal expansion and phase transition behavior of Al2-xMx (WO4)(3) (M = Y, Ga and Sc) ceramics
Takayuki Sugimoto; Yuhshi Aoki; Eiki Niwa; Takuya Hashimoto; Yuko Morito
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, Mar. 2007, Refereed, Not invited

Thermal expansion and phase transition behavior of Al_2-xM_x(WO₄)₃ (M = Y, Ga and Sc) ceramics
Takayuki Sugimoto; Yuhshi Aoki; Eiki Niwa; Takuya Hashimoto; Yuko Morito
Journal of the Ceramic Society of Japan, 2007, Refereed, Not invited

Improvement of Sintering Property of LaCrO₃ System by Simultaneous Substitution of Ca and Sr
K. Homma; F. Nakamura; N. Ohba; A. Mitsui and T. Hashimoto
Journal of the Ceramic Society of Japan, 2007, Refereed, Not invited

Selected Area and Convergent-Beam Electron Diffraction of LaGaO₃ and LaGa_0.9Mg_0.1O_2.95 - Space Group Determinations and Identification of Anti-phase Domain Structure
Y. Ogata; K. Tsuda; M. Yamaguchi; T. Fumoto; T. Furuya and T. Hashimoto
Solid State Ionics, 2007, Refereed, Not invited

Space Group Determinations of LaGa_1-xMg_xO_3-x/2 using Convergent-Beam Electron Diffraction
Yoichiro Ogata; Kenji Tsuda; Takuya Hashimoto
Proceedings of the 16th International Microscopy Congress (IMC16),, Sep. 2006, Refereed, Not invited

熱収縮性酸化物の大量合成と材料の熱膨張制御への展開
Takuya Hashimoto; Yuko Morito
熱測定, 2006, Refereed, Not invited
Lead

Analysis of magnetic and structural phase transition behaviors of La_1-xSr_xCrO₃ for preparation of phase diagram
F. Nakamura; Y. Matsunaga; N. Oba; K. Arai; H. Matsubara; H. Takahashi; T. Hashimoto
Thermochimica Acta, Sep. 2005, Refereed, Not invited

Exploration of high pressure phase in LaGaO₃ and LaCrO₃
T. Shibasaki; T. Furuya; J. Kuwahara; Y. Takahashi; H. Takahashi; T. Hashimoto
Journal of Thermal Analysis and Calorimetry, Aug. 2005, Refereed, Not invited

Electrical Conductivity and Crystal Structure of Ba₂In₂O₅ at High Temperatures under Various Oxygen Partial Pressures
M. Yoshinaga; T. Fumoto and T. Hashimoto
Journal of the Electrochemical Society, 2005, Refereed, Not invited

Discovery of New Phase and Analysis of Phase Relationships in BaBiO₃ with Thermal Analysis
M. Yamaguchi; F. Takeuchi and T. Hashimoto
Thermochimica Acta, 2005, Refereed, Not invited

Analysis of the Effect of the Oxide Ion Vacancy on the Crystal Structure of La_1-xCa_xCrO_3-δ by High Temperature X-ray Diffraction under Various Oxygen Partial Pressures
N. Ohba; E. Oikawa and T. Hashimoto
Defect and Diffusion Forum, 2005, Refereed, Not invited

Preparation, thermal expansion and electrical conductivity of La0.6Sr0.4Co1-xGaxO3-delta (x=0.0-0.4) as a new cathode material of SOFC
S Wang; R Zheng; A Suzuki; T Hashimoto
SOLID STATE IONICS, Oct. 2004, Refereed, Not invited

Crystal structure and phase transition behavior of La1-xSrxGa1-yMgyO3-delta
T Shibasaki; T Furuya; Wang, SR; T Hashimoto
SOLID STATE IONICS, Oct. 2004, Refereed, Not invited

Thermal conductivity of negative-thermal-expansion oxide, Zr_1-xY_xW₂O₈ (x=0.00, 0.01)-temperature dependence and effect of structural phase transition
T. Hashimoto; J. Kuwahara; T. Yoshida; M. Nashimoto; Y. Takahashi; K. Takahashi; Y. Morito
Solid State Communications, Jul. 2004, Refereed, Not invited

Refinement of crystal structural parameters and charge density of La_1-xSr_xCrO₃ (x=0.3) using CBED
Yoichiro Ogata; Kenji Tsuda; Takuya Hashimoto; Michiyoshi Tanaka
Proceedings of 8th Asia-Pacific Conference on Electron Microscopy, Jun. 2004, Not refereed, Not invited

Structural Analysis of Ce_1-xM_xO_2-0.5x-δ by High Temperature XRD under Various Oxygen Partial Pressures
S. Wang; E. Oikawa and T. Hashimoto
Journal of the Electrochemical Society, 2004, Refereed, Not invited

Preparation of Dense ZrO₂/ZrW₂O₈ Cosintered Ceramics with Controlled Thermal Expansion Coefficient
E. Niwa; S. Wakamiko; T. Ichikawa; S. Wang; T. Hashimoto; K. Takahashi and Y. Morito
Journal of the Ceramic Society of Japan, 2004, Refereed, Not invited

Relationship between Electrochemical Properties of SOFC Cathode and Composition of Oxide Layer Formed on Metallic Interconnects
K. Fujita; T. Hashimoto; K. Ogasawara; H. Kameda; Y. Matsuzaki and T. Sakurai
Journal of Power Source, 2004, Refereed, Not invited

熱分析によるペロブスカイト系酸化物材料の相関系の解析
橋本拓也
熱測定, 2004, Refereed, Not invited
Lead

High temperature properties of La0.6Sr0.4Co0.8Fe0.2O3-delta phase structure and electrical conductivity
Wang, SR; M Katsuki; M Dokiya; T Hashimoto
SOLID STATE IONICS, Mar. 2003, Refereed, Not invited

Expansion Behavior of Ce_1-yGd_yO_2.0-0.5y-δ under Varions Oxgen Partical Pressures Evaluated by HTXRD
Wang, SR; M Katsuki; T Hashimoto; M Dokiya
Journal of the Electrochemical Society, 2003, Refereed, Not invited

High temperature properties of La0.6Sr0.4Co0.8Fe0.2O3-delta oxygen nonstoichiometry and chemical diffusion constant
M Katsuki; Wang, SR; M Dokiya; T Hashimoto
SOLID STATE IONICS, Jan. 2003, Refereed, Not invited

Determination of Space Group of BaPb_0.75Bi_0.25O₃ by Convergent-Beam Electron Diffraction
Kenji Tsuda; Junichiro Shiono; Junichiro Mizusaki; Michiyoshi Tanaka
Physica C, Nov. 2002, Refereed, Not invited
Lead

Thermal analysis of phase transition in negative-thermal-expansion oxide, ZrW2O8 - Detection of trace amount of H2O and lambda-type transition
T Hashimoto; Y Morito
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, Sep. 2002, Refereed, Not invited

Refinement of crystal structural parameters and charge density using convergent-beam electron diffraction -- the rhombohedral phase of LaCrO₃ --
Kenji Tsuda; Kazunari Takagi; Yoichiro Ogata; Takuya Hashimoto; Michiyoshi Tanaka
Acta Crystallographica, Section A, Apr. 2002, Refereed, Not invited

Press-Free Preparation method of Dense Negative-Thermal-Expansion Oxide
Y Morito; K Takahashi; Wang, SR; H Abe; A Katoh; T Hashimoto
Journa of the Ceramic Society of Japan, 2002, Not refereed, Not invited

Preparatin of Dense Negative-Thermal-Expansion Oxide by Rapid Quenching of ZrW₂O₈ from Melt
Y Morito; Wang, SR; Y Ohshima; T Uehara; T Hashimoto
Journal of the Ceramic Society of Japan, 2002, Refereed, Not invited

Observation of Two Kinds of Structural Phase Transition in the Ba₂In₂O₅ System
T Hashimoto; Y Ueda; M Yoshinaga; K Komazaki; K Asaoka; Wang, SR
Journal of the Electrochemical Society, 2002, Refereed, Not invited
Lead

Determination of the Crystal System and Space Group of BaBiO₃ by Convergent-Beam Electron Diffraction and X-ray Diffraction Using Synchrotron Radiation
Kenji Tsuda; Junichiro Shiono; Junichiro Mizusaki; Michiyoshi Tanaka
Physical Review B, Jun. 2001, Refereed, Not invited
Lead

Synthesis of Large Amount of Pure Negative-Thermal-Expansion Material、ZrW₂O₈
T. Hashimoto; T. Waki and Y. Morito
Proceedings of the Institute of Natural Sciences、Nihon University, Mar. 2001, Not refereed, Not invited
Lead

燃料電池の現状と展望
「現代化学」(東京化学同人), 2001, Not refereed, Not invited

Electronic conductivity, Seebeck coefficient, defect and electronic structure of nonstoichiometric La1-xSrxMnO3
J Mizusaki; Y Yonemura; H Kamata; K Ohyama; N Mori; H Takai; H Tagawa; M Dokiya; K Naraya; T Sasamoto; H Inaba; T Hashimoto
SOLID STATE IONICS, Jul. 2000, Not refereed, Not invited

The effect of oxygen vacancy on the oxide ion mobility in LaAlO3-based oxides
TL Nguyen; M Dokiya; Wang, SR; H Tagawa; T Hashimoto
SOLID STATE IONICS, May 2000, Not refereed, Not invited

Analysis of two kinds of phase Transitions of ZrW₂O₈ by Power-compensated Differential Scanning Calorimetry and High-temperature X-ray Diffraction
T Hashimoto; T Katsube; Y Morito
Solid State Communications, 2000, Not refereed, Not invited

Analysis of Crystal Structure and Phase Transition of LaCrO₃ by Various Diffraction Measurement
T Hashimoto; N Tsuzuki; A Kishi; K Takagi; K Tsuda; M Tanaka; K Oikawa; T Kamiyama; K Yoshida; H Tagawa; M Dokiya
Solid State Ionics, 2000, Not refereed, Not invited

Absorption and Secession of H₂O and CO₂ on Ba₂In₂O₅ and their Effects on Crystal Structure
T Hashimoto; Y Inagaki; A Kishi; M Dokiya
Solid State Ionics, 2000, Not refereed, Not invited

The Effect of Defect Structure on Electrical Conductivity and Thermoelectric Power of La_2-xSr_xCuO_4-6 at High Temperatures
H Kanai; T Hashimoto; H Tagawa; J Mizusaki
Electrochemistry, 2000, Not refereed, Not invited

Oxygen nonstoichiometry and defect equilibrium in the Perovskite-type oxides La_l-xSr_xMnO_3+δ
J Mizusaki; N Mori; H Takai; Y Yonemura; H Minamiue; H Tagawa; M Dokiya; H Inaba; K Naraya; T Sasamoto; T Hashimoto
Solid State Ionics, 2000, Not refereed, Not invited

Electrical and Ionic Conductivity of Gd-Doped Ceria
Wang, SR; T Kobayashi; M Dokiya; T Hashimoto
J. Electrochem. Soc., 2000, Not refereed, Not invited

Determination of the Space Group of LaCrO₃ by Convergent-Beam Electron Diffraction
T Hashimoto; K Takagi; K Tsuda; M Tanaka; K Yoshida; H Tagawa; M Dokiya
J. Electrochem. Soc., 2000, Not refereed, Not invited

Structural Phase Transition of Orthorhombic LaCrO₃ Studied by Neutron Powder Diffraction
K Oikawa; T Kamiyama; T Hashimoto; Y Shimojyo; Y Morii
J. Solid State Chem., 2000, Refereed, Not invited

Oxygen nonstoichiometry of Ce(1-y)Sm(y)O(2-0.5y-x) (y = 0.1, 0.2)
T Kobayashi; Wang, SR; M Dokiya; H Tagawa; T Hashimoto
SOLID STATE IONICS, Nov. 1999, Not refereed, Not invited

Oxygen nonstoichiometry of BaBiO3-delta
T Hashimoto; T Kobayashi; H Tanaka; R Hirasawa; H Hirai; H Tagawa
SOLID STATE IONICS, May 1998, Not refereed, Not invited

Pressure-induced Structural Phase Transition of LaCrO₃
T Hashimoto; N Matsushita; Y Murakami; N Kojima; K Yoshida; H Tagawa; M Dokiya; T Kikegawa
Solid State Communications, 1998, Not refereed, Not invited

Diffusion coefficient of oxygen in La1.7Sr0.3CuO4-delta
H Kanai; T Hashimoto; H Tagawa; J Mizusaki
SOLID STATE IONICS, Aug. 1997, Not refereed, Not invited

Defect chemistry of La2-xSrxCuO4-delta: Oxygen nonstoichiometry and thermodynamic stability
H Kanai; J Mizusaki; H Tagawa; S Hoshiyama; K Hirano; K Fujita; M Tezuka; T Hashimoto
JOURNAL OF SOLID STATE CHEMISTRY, Jun. 1997, Not refereed, Not invited

Characterization of crystal structure of BaPb_1-xBi_xO₃ with X-ray diffraction for synchrotron radiation (共著)
T Hashimoto; R Hirasawa; T Kobayashi; H Hirai; H Tagawa; J Mizusaki; H Toraya; M Tanaka; K Ohsumi
Solid State Communications, 1997, Not refereed, Not invited

Oxygen deficiency, crystal system and conduction behavior of BaPb0.75Bi0.25O3-delta
T Hashimoto; R Hirasawa; J Komiya; H Hirai; H Tanaka; H Tagawa; J Mizusaki
AICHE JOURNAL, 1997, Not refereed, Not invited

Variation of Crystal System and Conduction Behavior of BaPb_0.75Bi_0.25O_3-δ on defect Structure (共著)
The Proceedings of the 5th World Congress of Chemical Engineering, July 14-18, 1996, San Diego, California, 1996, Not refereed, Not invited

The effect of oxygen nonstoichiometry of BaBi_1-xPb_xO_3-δ on Electrical Conduction Behavior.(共著)
T Hashimoto; H Tanaka; R Hirasawa; H Tagawa; J Mizusaki
Solid State Ionics, 1996, Not refereed, Not invited

Analysis of Role of Oxygen Deficiency in Crystal Structure and Conduction Mechanism of BaBi_0.25Pb_0.75O_3-δ
T HASHIMOTO; R HIRASAWA; T YOSHIDA; Y YONEMURA; H TANAKA; J MIZUSAKI; H TAGAWA
Journal of Physics and Chemistry of Solids, 1995, Not refereed, Not invited

Coexistence of Electrons and Holes in BaBi_0.25Pb_0.75O_3-δ Detected by Thermoelectric-Power Measurements
T HASHIMOTO; R HIRASAWA; T YOSHIDA; Y YONEMURA; J MIZUSAKI; H TAGAWA
Physical Review B condensed matter, 1995, Not refereed, Not invited

Reversible Structural Phase Transition of BaPb_0.75Bi_0.25O_3.00 around 360℃
T HASHIMOTO; E HARAYAMA; R HIRASAWA; H HIRAI; T YOSHIDA; Y YONEMURA; H TANAKA; H TAGAWA; J MIZUSAKI
Physica C, 1995, Not refereed, Not invited

EFFECTS OF SUBSTITUTION OF BI WITH PB IN BABI1-XPBXO3 ON CRYSTAL-STRUCTURE AND CONDUCTION BEHAVIOR
T HASHIMOTO; H KAWAZOE; H SHIMAMURA
PHYSICA C, Apr. 1994, Not refereed, Not invited

Effect of Oxygen Deficiency on the Structure and Conduction Behavior(共著)
T HASHIMOTO; H KAWAZOE
Solid State Communications, 1993, Not refereed, Not invited

Preparation of MgIn₂O_4-δ Thin Films on Glass Substrate by RF. Sputtering
H UNNO; N HIKUMA; T OMATA; N UEDA; T HASHIMOTO; H KAWAZOE
Japanese Journal of Applied Physics, 1993, Refereed, Not invited

Crystal Structure of BaBi_1-xPb_xO₃ and Its Effect on Chemical State of Bi(共著)
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology, 1993, Not refereed, Not invited

New Oxide Phase Cd_1-xY_xSb₂O₆ with Wide Band Gap and High Electrical Conductivity(共著)
K YANAGAWA; Y OHKI; N UEDA; T OMATA; T HASHIMOTO; H KAWAZOE
Applied Physics Letters, 1993, Not refereed, Not invited

Preparation of Oxygen Excess SrLaFeO_4+δ and Its Electrical and Magnetic Properties(共著)
T OMATA; K UEDA; N UEDA; M KATADA; S FUJITSU; T HASHIMOTO; H KAWAZOE
Solid State Communications, 1993, Not refereed, Not invited

Chemical Stability of CVD Source Materials for High-Tc Superconducting Films(共著)
T HASHIMOTO; H KOINUMA; M NAKABAYASHI; T SHIRAISHI; Y SUEMUNE; T YAMAMOTO
Journal of Materials Research, 1992, Not refereed, Not invited

Development and Application of Microbeam Plasma Generator(共著)
H KOINUMA; H OHKUBO; T HASHIMOTO; K INOMATA; T SHIRAISHI; A MIYANAGA; S HAYASHI
Applied Physics Letters, 1992, Not refereed, Not invited

New Oxide Phase with Wide Band Gap and High Electroconductivity MgIn₂O₄(共著)
N UEDA; T OMATA; N HIKUMA; K UEDA; H MIZOGUCHI; T HASHIMOTO; H KAWAZOE
Applied Physics Letters, 1992, Not refereed, Not invited

New Oxide Phase with Wide Band Gap and High Electroconductivity, CdGa₂O₄ Spinel
Takahisa Omata; Naoyuki Ueda; Naoko Hikuma; Kazushige Ueda; Hiroshi Mizoguchi; Takuya Hashimoto; Hiroshi Kawazoe
Applied Physics Letters, 1992, Not refereed, Not invited

Photo-absorption and Photochemical Deposition of Copper and Alkaline-Earth β-diketonates as Source Gases of High-Tc Superconducting Films(共著)
T HASHIMOTO; K KITAZAWA; M NAKABAYASHI; T SHIRAISHI; Y SUEMUNE; T YAMAMOTO; H KOINUMA
Applied Organometallic Chemistry, 1991, Not refereed, Not invited

Thermodynamic Estimation of Oxidation Ability of Various Gases used for the Preparation of Superconducting Films at High Vacuum
T HASHIMOTO; H KOINUMA; K KISHIO
Japanese Journal of Applied Physics, 1991, Not refereed, Not invited

Low-Temperature Synthesis of Bi-Sr-Ca-Cu-O Films by Photo CVD Method(共著)
M NAKABAYASHI; T SHIRAISHI; T HASHIMOTO; KA CHAUDHARY; H KOINUMA
Physica C, 1991, Not refereed, Not invited

¹⁵¹Eu Mossbauer Spectroscopy and Structure of Electron-doped (Eu, La)_2-xCe_xCuO_4-y Superconductor(共著)
M YOSHIMOTO; H KOINUMA; T HASHIMOTO; J TANAKA; S TANABE; N SOGA
Physica C, 1991, Not refereed, Not invited

Purification and UV-VIS Light Absorption Property of Source Materials for CVD of High-Tc Superconducting Films(共著)
T HASHIMOTO; K KITAZAWA; Y SUEMUNE; T YAMAMOTO; H KOINUMA
Japanese Journal of Applied Physics, 1990, Not refereed, Not invited

Superconductivity in a New Oxide System of Eu-La-Ce-Cu-O(共著)
M YOSHIMOTO; T HASHIMOTO; M TAKATA; H KOINUMA
Japanese Journal of Applied Physics, 1989, Not refereed, Not invited

Thermodynamic analyses of the orthorhombic-to-tetragonal phase transition in Pr_2-xNd_xNiO_4-δ under controlled oxygen partial pressures
Eiki Niwa; Tsubasa Sato; Takuya Hashimoto
Dalton Transactions, 2020, Refereed, Not invited

Ba_2-xLa_xFe₂O_5+δの特性・構造の酸素不定比量依存性
大木葉隆司; 佐藤翼; 深澤健; 福永寛和; 舘野洋介; 小豆川勝見; 松尾基之; 丹羽栄貴; 藤代史; 橋本拓也
電気化学会大会講演要旨集(CD-ROM), 17 Mar. 2017, Not refereed, Not invited

固体酸化物型燃料電池アノード材料Sr₂MgMoO_6-δと代表的な電解質材料との両立性
高野峻吾; 新村潔人; 本多駿資; 丹羽栄貴; 橋本拓也; 佐々木一哉
エレクトロセラミックス研究討論会講演予稿集, 2017

“Thermodynamic and Kinetic Analyses of C02 Absorption Material, Li4Si04
E. Niwa; S. Kaniwa; K. Fujii; T. Hashimoto; M. Yashima
Report of the 172nd Committee for Alloy Phase Diagram, 2017, Not refereed, Not invited

Ba_2-xLa_xFe₂O_5+δの構造相転移および電気伝導機構
丹羽栄貴; 丹羽栄貴; 佐藤翼; 大木葉隆史; 小豆川勝見; 松尾基之; 藤代史; 藤井孝太郎; 橋本拓也; 八島正知
電気化学会大会講演要旨集(CD-ROM), 23 Mar. 2016, Not refereed, Not invited

プロトン伝導体BaCe_1-xR_xO_3-δ(R:希土類)の格子体積と光学的特性
丹羽栄貴; 藤井孝太郎; 八島正知; 保坂友美; 尾上貴弘; 畠山義清; 十代健; 橋本拓也; 藤代史
日本セラミックス協会年会講演予稿集(CD-ROM), 01 Mar. 2016, Not refereed, Not invited

材料の熱膨張の評価と制御
橋本拓也
表面技術, 01 Mar. 2016, Refereed, Invited
Lead

Ba_2-xLa_xFe₂O_5+δの結晶構造と導電特性の組成依存性
佐藤翼; 舘野洋介; 大木葉隆司; 小豆川勝見; 松尾基之; 藤代史; 丹羽栄貴; 橋本拓也
セラミックス基礎科学討論会講演要旨集, 07 Jan. 2016, Not refereed, Not invited

LnFeO₃(Ln:ランタノイド)の組成制御による導電設計
丹羽栄貴; 佐藤翼; 渡辺裕貴; 豊田裕一郎; 畠山義清; 十代健; 小豆川勝見; 松尾基之; 橋本拓也
電気化学会大会講演要旨集(CD-ROM), 09 Mar. 2015, Not refereed, Not invited

LnFeO₃(Ln;Lanthanoid)の結晶構造対称性と電気伝導性・電子構造の相関
丹羽栄貴; 佐藤翼; 渡辺裕貴; 豊田裕一郎; 畠山義清; 十代健; 橋本拓也; 小豆川勝見; 松尾基之
日本セラミックス協会年会講演予稿集(CD-ROM), 06 Mar. 2015, Not refereed, Not invited

Ba_2-xLa_xFe₂O_5+δの相転移挙動・化学状態と導電特性
佐藤翼; 丹羽栄貴; 大木葉隆司; 橋本拓也; 小豆川勝見; 松尾基之; 藤代史
電気化学秋季大会講演要旨集, 27 Sep. 2014, Not refereed, Not invited

酸化物材料の酸素欠損配列の規則・不規則転移ー熱分析による解析
橋本拓也
熱測定, 01 Apr. 2014, Refereed, Not invited
Lead

LnNi_1-xFe_xO_3-δ(Ln=La,Pr,Nd,Sm)の結晶構造の対称性と導電特性
佐藤翼; 丹羽栄貴; 豊田裕一郎; 渡辺裕貴; 橋本拓也; 小豆川勝見; 松尾基之
電気化学会大会講演要旨集, 29 Mar. 2014, Not refereed, Not invited

Crystal structure, conducting property and chemical state of Fe of LnNi_1-xFe_xO_3-δ(Ln=La, Pr, Nd, Sm)
T. Hashimoto; E. Niwa; T. Sato; Y. Toyoda; Y. Watanabe; K. Shozugawa; M. Matsuo
Bulletin of Japan Moessbauer Spectroscopy Forum, 2014, Not refereed, Not invited

ペロブスカイト型結晶構造をとるSOFC材料の相転移
橋本拓也
燃料電池, 2013, Not refereed, Invited
Lead

Preparation of trivalent ion doped barium cerate via liquid phase and analysis of their phase transitions
M. Shimizu; F. Fujishiro; T. Hashimoto
Proceedings of the 12th Asian Conference on Solid State Ionics, 2010, Not refereed, Not invited

Refinement of Crystal Structural Parameters and Charge Density of LaCrO_3 Using CBED
TSUDA Kenji; OGATA Yoichiro; TAKAGI Kazunari; TANAKA Michiyoshi; HASHIMOTO Takuya
Materia Japan, 2004, Not refereed, Not invited

CO₂の分離・回収・貯留技術の開発とプロセス設計
Joint work, 第3章第14節 熱天秤によるアルカリケイ酸塩のCO₂吸収特性解析
（株）技術情報協会, Oct. 2022, Not refereed

Handbook of Calorimetry and Thermal Analysis
Joint work, 193, 195, 204, 205
Maruzen Co., Ltd., Aug. 2020, Not refereed
9784621305072

熱分析 第4版
Contributor, 5.5 セラミックス
講談社サイエンティフィック, Feb. 2017, Not refereed
9784061543966

サーマルマネジメントー余熱・排熱の制御と有効利用
Contributor
株式会社エヌ・ティー・エス, Apr. 2013, Not refereed

熱膨張・収縮の低減化とトラブル対策
Contributor
S&T出版, Sep. 2012, Not refereed

「固体電気化学-実験法入門」(共著)
脇原将孝; 水田進; 山口周; 丸山俊夫; 小林清; 川田利也, Joint work, 脇原将孝、水田進、山口周、丸山俊夫、小林清、川田利也
講談社サイエンティフィック, Apr. 2001, Not refereed

★Comparison of solid- and liquid-state reaction methods for the synthesis of SrFeO_3-δ
Kosuke Shido; Shiho Hatano; Takuya Hashimoto
電気化学会第90回大会, Mar. 2023, 電気化学会, Not invited

★Trial for preparation of cubic phase by partial substitution of Ca, Ba or rare earth ions for SrFeO_3-δ
Kosuke Shido; Shiho Hatano; Shumpei Nimura; Ryutaro Maehara; Takuya Hashimoto; Motoyuki Matsuo
電気化学会第90回大会, Mar. 2023, 電気化学会, Not invited

★Phase Transformation of SrFeO_3-δ by Oxygen Nonstoichiometry,– Analysis of Crystal Structure and Chemical State of Fe
Takuya Hashimoto; Kosuke Shido; Shiho Hatano; Motoyuki Matsuo
第48回固体イオニクス討論会, Dec. 2022, 固体イオニクス学会, Not invited

★CO₂吸収・貯蔵材料、Li₃NaSiO₄の合成と安定性
橋本 拓也,三橋 万緒,岩崎 俊平
2021年電気化学秋季大会, Sep. 2021, 電気化学会, Not invited

★CO₂吸収材料、Li₃NaSiO₄粉末の合成プロセスの最適化
橋本 拓也・岩崎 俊平・三橋 万緒
日本セラミックス協会第34回秋季シンポジウム, Sep. 2021, 日本セラミックス協会, Not invited

Effects of Decomposition and Re-firing on the Microstructure and Density of Aluminum Titanate
Takayuki SUGIMOTO; Satoshi YAMAGATA; Mariko NOGUCH; Takato TAKEMURA; Takuya HASHIMOTO; Hiroki FUJIMORI
The 11th International Congress on Ceramics, Sep. 2026, Not invited

Variation of Structural Phase Transition Behavior of SrFeO_3-δ by Oxygen Nonstoichiometry
Haoxuan LIU; Taizo YOSHINO; Kosuke SHIFO; Eiki NIWA; Takuya HASHIMOTO
The 11th International Congress on Ceramics, Sep. 2026, Not invited

Development of the Synthesis Process of SrFeO_3-δ with Controlled Oxygen Deficiency and Crystal Structure using Thermal Analyses
Yuto Ozawa; Haoxuan LIU; Taizo YOSHINO; Takuya Hashimoto
The 11th International Congress on Ceramics, Sep. 2026, Not invited

Dependence of Chemical State of Fe and Electrical Conduction Property on Kinds of Ln³⁺ in Sr_1-xLn_xFeO_3-δ
Takuya HASHIMOTO; Keina NAGAI; Takayuki SUGIMOTO; Motoyuki Matsuo
The 11th International Congress on Ceramics, Sep. 2026, Not invited