Hikaru Sawahata, Naoya Yamaguchi, Hiroki Kotaka and Fumiyuki Ishii,
Electric field dependence of topological edge states in one-bilayer Bi(111): A first-principles study, e-J. Surf. Sci. Nanotechnol. 16, 427 (2018). Open Access
Kaiki Shibata, Naoya Yamaguchi, Hikaru Sawahata and Fumiyuki Ishii,
Thermoelectric Effect in Kagome Lattice Enhanced at Van Hove Singularities, J. Phys. Soc. Jpn. 92, 124704 (2023). Open Access
Rifky Syariati, Vierta Saraswati, Hikaru Sawahata, Naoya Yamaguchi and Fumiyuki Ishii,
First-principles study of anomalous Nernst effect in Cr-doped Bi_2_Se_3_, Jpn. J. Appl. Phys., in press. Open Access
Yaotang Zhang, Naoya Yamaguchi, Hikaru Sawahata and Fumiyuki Ishii,
Prediction of wide-gap topological insulating phase in metastable BiTeI, Appl. Phys. Express 16, 053002 (2023). Open Access
Yume Morishima, Naoya Yamaguchi, Hikaru Sawahata and Fumiyuki Ishii,
Seebeck-induced anomalous Nernst effect in van der Waals MnBi_2_Te_4_ layers, Appl. Phys. Express 16, 043003 (2023). Open Access
Takahiro Tominaga, Naoya Yamaguchi, Hikaru Sawahata and Fumiyuki Ishii,
First-principles study of anomalous hall effect and anomalous Nernst effect in Fe_2_Si, Jpn. J. Appl. Phys. 62, SD1019 (2023). Free Article
Naoya Yamaguchi, Hiroaki Sano, Hikaru Sawahata, Masahiro Nakano, Tetsuya TAIMA, Fumiyuki Ishii and Makoto KARAKAWA,
Statistical analysis of properties of non-fullerene acceptors for organic photovoltaics, Jpn. J. Appl. Phys. 61, 030905(2022). Open Access, Spotlights 2022
Tomoki Yamashita, Shinichi Kanehira, Nobuya Sato, Hiori Kino, Kei Terayama, Hikaru Sawahata, Takumi Sato, Futoshi Utsuno, Koji Tsuda, Takashi Miyake, Tamio Oguchi,
CrySPY: a crystal structure prediction tool accelerated by machine learning, STAM Methods 1, 87 (2021). Open Access
Shunsuke Kitou, Takao Tsumuraya, Hikaru Sawahata, Fumiyuki Ishii, Ko-ichi Hiraki, Toshikazu Nakamura, Naoyuki Katayama, and Hiroshi Sawa,
Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)_2_I_3_, Phys. Rev. B 103, 035135 (2021). arXiv:2006.08978
Rifky Syariati, Susumu Minami, Hikaru Sawahata, and Fumiyuki Ishii,
First-Principles Study of Anomalous Nernst Effect in Half-Metallic Iron Dichloride Monolayer, APL Materials 8, 041105 (2020). Open Access
Hikaru Sawahata, Naoya Yamaguchi, Susumu Minami and Fumiyuki Ishii
Computational high throughput screening of two-dimensional magnetic thermoelectric materials,
New Perspective in Spin Conversion Science,
柏の葉カンファレンスセンター, 千葉県柏市
2020/02/03 - 2020/02/04
Hikaru Sawahata, Naoya Yamaguchi, Susumu Minami and Fumiyuki Ishii
First-principles study of the Chern insulator induced by spin chirality
Materials research meeting 2019,
横浜シンポジア, 神奈川県横浜市
2019/12/10 - 2019/12/14
Hikaru Sawahata, Naoya Yamaguchi, Susumu Minami and Fumiyuki Ishii
Implementation of computing anomalous Hall conductivity for high throughput screening of magnetic thermoelectric materials
The 22nd Asian Workshop on First-Principles Electronic Structure Calculations,
大阪大学豊田キャンパス, 大阪府大阪市
2019/10/28 - 2019/10/30
Hikaru Sawahata, Naoya Yamaguchi and Fumiyuki Ishii
First-principles study of electric-field induced Z_2_ topological phase transition in strained one-bilayer Bi(111)
The 21st Asian Workshop on First-principles Electronic Structure Calculation,
KAIST, 大田広域市, 韓国
2018/10/29 - 2018/10/31
Hikaru Sawahata, Naoya Yamaguchi and Fumiyuki Ishii
First-principles study of topological phase transition in two-dimensional bismuth and its alloys
APS March meeting 2018,
Los Angels Convention Center, Los Angeles, California, America
2018/3/5 - 2018/3/9
Hikaru Sawahata, Naoya Yamaguchi, Hiroki Kotaka and Fumiyuki Ishii
First-principles study of topological phase in two-dimensional Bismuth
The 8th International Symposium on Surface Science,
筑波国際会議場, 茨城県つくば市
2017/10/24 - 2017/10/25
Hikaru Sawahata, Yo Pierre Mizuta, Fumiyuki Ishii
Large Chern number in skyrmion crystals
International Symposium on Computational Science,
金沢大学, 石川県金沢市
2017/7/27
Hikaru Sawahata
Collabolators: Yo Pierre Mizuta, Naoya Yamaguchi, Fumiyuki Ishii
Chern number and Z_2_ invariant
The 2nd OpenMX developer's meeting(informal),
KAIST, 大田広域市, 韓国
2016/11/24 - 2016/11/25, 発表スライド
Hikaru Sawahata, Yo Pierre Mizuta, Fumiyuki Ishii
Large Chern number in oxide thin films
International workshop on nano-spin conversion science & quantum spin dynamics,
東京大学, 東京都文京区
2016/10/12 - 2016/10/15