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Publication List - Fumiyasu Oba 2019 (45 / 279 entries)
Journal Paper
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N. Tsunoda,
Y. Kumagai,
F. Oba.
Stabilization of small polarons in BaTiO3 by local distortions,
Physical Review Materials,
vol. 3,
pp. 114602,
Nov. 2019.
Official location
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R. Liu,
D. D. Khalyavin,
N. Tsunoda,
Y. Kumagai,
F. Oba,
Y. Katsuya,
M. Tanaka,
K. Yamaura,
A. A. Belik.
Spin-glass magnetic properties of A-site columnar-ordered quadruple perovskites Y2MnGa(Mn4–xGax)O12 with 0 ≤ x ≤ 3",
Inorganic Chemistry,
American Chemical Society,
vol. 58,
pp. 14830-14841,
Oct. 2019.
Official location
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Y. Kuroiwa,
Y. Matsushita,
K. Harada,
F. Oba.
Theoretical prediction of strain-induced carrier effective mass modulation in 4H-SiC and GaN,
Applied Physics Letters,
vol. 115,
pp. 112102,
Aug. 2019.
Official location
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Y. Wang,
T. Ohsawa,
Y. Kumagai,
K. Harada,
F. Oba,
N. Ohashi.
Achieving non-degenerate Zn3N2 thin films by near room temperature sputtering deposition,
Applied Physics Letters,
vol. 115,
pp. 092104,
Aug. 2019.
Official location
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T. Kobayashi,
T. Gake,
Y. Kumagai,
F. Oba,
Y. Matsushita.
Energetics and electronic structure of native point defects in α-Ga2O3,
Applied Physics Express,
vol. 12,
pp. 091001,
Aug. 2019.
Official location
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Y. Hinuma,
T. Gake,
F. Oba.
Band alignment at surfaces and heterointerfaces of Al2O3, Ga2O3, In2O3, and related group-III oxide polymorphs: A first-principles study,
Physical Review Materials,
vol. 3,
pp. 084605,
Aug. 2019.
Official location
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T. Gake,
Y. Kumagai,
F. Oba.
First-principles study of self-trapped holes and acceptor impurities in Ga2O3 polymorphs,
Physical Review Materials,
vol. 8,
pp. 044603,
Apr. 2019.
Official location
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K. Shimokawa,
T. Atsumi,
M. Harada,
R. E. Ward,
M. Nakayama,
Y. Kumagai,
F. Oba,
N. L. Okamoto,
K. Kanamura,
T. Ichitsubo.
Zinc-based spinel cathode materials for magnesium rechargeable batteries: Toward the reversible spinel-rocksalt transition,
Journal of Materials Chemistry A,
vol. 7,
pp. 12225-12235,
Apr. 2019.
Official location
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T. Kobayashi,
K. Harada,
Y. Kumagai,
F. Oba,
Y. Matsushita.
Native point defects and carbon clusters in 4H-SiC: A hybrid functional study,
Journal of Applied Physics,
vol. 125,
pp. 125701,
Mar. 2019.
Official location
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N. Tsunoda,
Y. Kumagai,
M. Araki,
F. Oba.
One-dimensionally extended oxygen vacancy states in perovskite oxides,
Physical Review B,
American Physical Society,
vol. 99,
pp. 060103,
Feb. 2019.
Official location
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Keisuke Shimizu,
Ryo Kawabe,
Hajime Hojo,
Haruki Shimizu,
Hajime Yamamoto,
Marin Katsumata,
Kei Shigematsu,
Ko Mibu,
Yu Kumagai,
Fumiyasu Oba,
Masaki Azuma.
Direct Observation of Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film,
NANO LETT.,
Vol. 19,
No. 3,
pp. 1767–1773,
Jan. 2019.
International Conference (Reviewed)
International Conference (Not reviewed / Unknown)
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Christian A. Niedermeier,
Yu Kumagai,
Keisuke Ide,
Takayoshi Katase,
Fumiyasu Oba,
Hideo Hosono,
Toshio Kamiya.
Single crystal growth and intrinsic electron mobility of cubic SrGeO3,
Materials Research Meeting 2019,
Dec. 2019.
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T. Gake,
Y. Kumagai,
F. Oba.
Stability of Self-Trapped Holes in Ga2O3 polymorphs,
Materials Research Meeting 2019,
Dec. 2019.
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Naoki Tsunoda,
Yu Kumagai,
Fumiyasu Oba.
Small Polarons in BaTiO3: A First-Principles Study,
Materials Research Meeting 2019,
Dec. 2019.
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Yu Kumagai,
Akira Takahashi,
Fumiyasu Oba.
High-Throughput Calculations and Machine-Learning Prediction of Oxygen Vacancy Formation Energies,
Materials Research Meeting 2019,
Dec. 2019.
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Ha-Jun SUNG,
Yasuhide Mochizuki,
Fumiyasu Oba.
Effects of chemical composition and surface reconstruction on band alignment of perovskite oxides,
Materials Research Meeting 2019,
Dec. 2019.
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Akira Takahashi,
Yu Kumagai,
Jun Miyamoto,
Fumiyasu Oba.
Prediction of Material Properties from First Principles and Machine Learning,
ICMASS2019 (iLIM-s session),
Nov. 2019.
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Christian A. Niedermeier,
Yu Kumagai,
Keisuke Ide,
Takayoshi Katase,
Fumiyasu Oba,
Hideo Hosono,
Toshio Kamiya.
Single crystal growth of cubic SrGeO3 and estimation of intrinsic electron mobility,
11th International Symposium on Transparent Oxide Thin Films for Electronics and Optics (TOEO-11),
Oct. 2019.
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Yasuhide Mochizuki,
Ha-Jun Sung,
Akira Takahashi,
Yu Kumagai,
Fumiyasu Oba.
Ground-State Structure Search for Pnictide Antiperovskites,
The 22nd Asian Workshop on First-Principles Electronic Structure Calculations,
Oct. 2019.
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Akira Takahashi,
Yu Kumagai,
Jun Miyamoto,
Yasuhide Mochizuki,
Fumiyasu Oba.
Machine Learning Model for Predicting Dielectric Constants of Oxides,
The 4th International Symposium on Creation of Life Innovation Materials for Interdisciplinary and International Researcher Development (iLIM-4),
Oct. 2019.
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Ha-Jun Sung,
Yasuhide Mochizuki,
Fumiyasu Oba.
Band Alignment and Reconstruction of ABO3 (001) Surfaces,
The 22nd Asian Workshop on First-Principles Electronic Structure Calculations,
Oct. 2019.
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Yuichiro Kuroiwa,
Yu-ichiro Matsushita,
Kou Harada,
Fumiyasu Oba.
Strain-induced carrier effective mass modulation in 4H-SiC and GaN: A first-principles study,
The 11th International Conference on the Science and Technology for Advanced Ceramics (STAC-11),
July 2019.
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T. Gake,
Y. Kumagai,
F. Oba.
Small hole polarons in Ga2O3 polymorphs: a first-principles study,
The 11th International Conference on the Science and Technology for Advanced Ceramics (STAC-11),
July 2019.
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Christian A. Niedermeier,
Yu Kumagai,
Keisuke Ide,
Takayoshi Katase,
Fumiyasu Oba,
Hideo Hosono,
Toshio Kamiya.
SrGeO3 single crystal growth and optical phonon spectrum analysis,
The 11th International Conference on the Science and Technology for Advanced Ceramics (STAC-11),
July 2019.
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F. Oba.
Computational design and exploration of nitride semiconductors,
E-MRS Spring Meeting,
May 2019.
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Yasuhide Mochizuki,
Yu Kumagai,
Hirofumi Akamatsu,
Fumiyasu Oba.
Polar metallic behavior in strained antiperovskites: A first-principles study,
First Annual Symposium of the Tokyo Tech - UCL - McGill core-to-core collaboration Defect Functionalized Sustainable Energy Materials: From Design to Devices Application,
Feb. 2019.
Domestic Conference (Not reviewed / Unknown)
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Fumiyasu Oba.
第一原理計算による半導体物性の系統的予測と新物質探索,
レア・イベントの計算科学第3回ワークショップ,
Dec. 2019.
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Yasuhide Mochizuki,
Yu Kumagai,
Hirofumi Akamatsu,
Fumiyasu Oba.
Strain-induced Peierls transition and polar-metal phases in Ni-based perovskites,
第3回動的平均場近似計算に関する情報交流会,
Dec. 2019.
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Yasuhide Mochizuki,
Ha-Jun SUNG,
Akira Takahashi,
Yu Kumagai,
Fumiyasu Oba.
ニクタイドアンチペロブスカイトにおける安定構造探索,
第29回日本MRS年次大会,
Nov. 2019.
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Tomoya Gake,
Yu Kumagai,
Fumiyasu Oba.
Finite-Size Corrections for First-Principles Calculations of Defect-Involving Vertical Transitions,
第29回日本MRS年次大会,
Nov. 2019.
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Yuichiro Kuroiwa,
Yuichiro Matsushita,
Fumiyasu Oba.
計算材料データベースを用いたスピンバレーホール効果を示す多バレー三次元物質の探索,
第29回日本MRS年次大会,
Nov. 2019.
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Ha-Jun SUNG,
Yasuhide Mochizuki,
Fumiyasu Oba.
Effects of Surface Reconstruction on Band Alignment in Perovskite Oxides,
第29回日本MRS年次大会,
Nov. 2019.
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Fumiyasu Oba.
第一原理計算による窒化物・酸化物半導体の系統的物性予測とデータ駆動型新物質探索,
固体化学の新しい指針を探る研究会,
Nov. 2019.
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F. Oba.
半導体物性の系統的理論予測とデータ駆動型新物質探索(解説論文賞受賞記念講演 ),
第80回応用物理学会秋季学術講演会,
Sept. 2019.
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Akira Takahashi,
Yu Kumagai,
Jun Miyamoto,
Yasuhide Mochizuki,
Fumiyasu Oba.
酸化物誘電率計算データベースと機械学習による誘電率予測モデルの構築,
日本金属学会2019年秋期講演大会,
Sept. 2019.
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Naoki Tsunoda,
Yu Kumagai,
Fumiyasu Oba,
.
BaTiO3 中の電子ポーラロンに関する理論的検討,
日本金属学会2019年秋期講演大会,
Sept. 2019.
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Tomoya Gake,
Yu Kumagai,
Fumiyasu Oba.
欠陥を介した光学遷移エネルギーの高精度計算手法の開発,
日本金属学会2019年秋期講演大会,
Sept. 2019.
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F. Oba.
第一原理計算による半導体物性の系統的予測とデータ駆動型新物質探索,
日本学術振興会素材プロセシング第69委員会第2分科会(新素材関連技術) 第73回研究会,
July 2019.
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F. Oba.
半導体物性の系統的理論予測とデータ駆動型新物質探索,
第4回固体化学フォーラム,
June 2019.
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F. Oba.
マテリアルズインフォマティクスに立脚した新規半導体の開拓,
PE研究会,
Apr. 2019.
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Yuichiro Kuroiwa,
Yu-ichiro Matsushita,
Fumiyasu Oba.
データベースを用いたスピンバレーホール効果を示す三次元物質の探索,
日本物理学会第74回年次大会,
Mar. 2019.
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Tomoya Gake,
Yu Kumagai,
Fumiyasu Oba.
Ga2O3中の自己束縛正孔の第一原理計算,
日本金属学会2019年春期講演大会,
Mar. 2019.
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Tomoya Gake,
Yu Kumagai,
Fumiyasu Oba.
酸化ガリウム多形におけるホールポーラロンの第一原理計算,
第57回セラミックス基礎科学討論会,
Jan. 2019.
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