Masao Obata

Profile Information

Affiliation: 助教, 理工研究域数物科学系, 金沢大学

J-GLOBAL ID: 201801008277089342
researchmap Member ID: B000314825

Research Interests

Research Areas

Informatics / Computational science /

Research History

Apr, 2017 - Present

Institute of Science and Engineering, Faculty of Mathematics and Physics, Kanazawa University
Oct, 2016 - Mar, 2017

特別研究員(PD), 日本学術振興会
Apr, 2015 - Sep, 2016

特別研究員(DC), 日本学術振興会

Education

Mar, 2014 - Sep, 2016

Division of Mathematics and Physical Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Apr, 2012 - Mar, 2014

Division of Mathematics and Physical Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Apr, 2008 - Mar, 2012

Kanazawa University

Papers

Intrinsic instability to martensite phases in ferromagnetic shape memory alloy Ni2MnGa : Quasiparticle self-consistent GW investigation

Masao Obata, Takao Kotani, Tatsuki Oda

Physical Review Materials, Feb 21, 2023
Effect of electron localization in theoretical design of Ni-Mn-Ga based magnetic shape memory alloys

Martin Zelený, Petr Sedlák, Oleg Heczko, Hanuš Seiner, Petr Veřtát, Masao Obata, Takao Kotani, Tatsuki Oda, Ladislav Straka

Materials and Design, 209, Nov 1, 2021
Anatomy of Magnetic Anisotropy and Voltage-Controlled Magnetic Anisotropy in Metal Oxide Heterostructure from First Principles

Indra Pardede, Daiki Yoshikawa, Tomosato Kanagawa, Nurul Ikhsan, Masao Obata, Tatsuki Oda

Crystals, 10(12) 1118-1118, Dec 8, 2020
Finite electric-field approach to evaluate the vertex correction for the screened Coulomb interaction in the quasiparticle self-consistent GW method

Hirofumi Sakakibara, Takao Kotani, Masao Obata, Tatsuki Oda

Physical Review B, 101(20), May 15, 2020 Peer-reviewed
Anatomy of large perpendicular magnetic anisotropy in free-standing Co/Ni (1 1 1) multilayer

Indra Pardede, Daiki Yoshikawa, Tomosato Kanagawa, Nurul Ikhsan, Itsuki Murata, Masao Obata, Tatsuki Oda

Journal of Magnetism and Magnetic Materials, 500 166357-166357, Apr, 2020
Density Functional Approach under External Magnetic Field

Afrioni Roma Rio, Indra Pardede, Achmad Maulana Gani, Mega Christivana, Masao Obata, Tatsuki Oda

Journal of the Physical Society of Japan, 89(3) 035002-035002, Mar 15, 2020
Noncollinear Magnetic Structure with Spin-dependent van der Waals Density Functional Approach: β-phase Solid Oxygen

Mega Christivana, Masao Obata, Tatsuki Oda

Journal of the Physical Society of Japan, 88(10) 104601-104601, Oct 15, 2019
Large nonvolatile control of interfacial magnetic anisotropy in CoPt by a ferroelectric ZnO-based tunneling barrier

Al-Mahdawi Muftah, Belmoubarik Mohamed, Obata Masao, Yoshikawa Daiki, Sato Hideyuki, Nozaki Tomohiro, Oda Tatsuki, Sahashi Masashi

PHYSICAL REVIEW B, 100(5), Aug 19, 2019 Peer-reviewed
Shape Magnetic Anisotropy From Spin Density in Nanoscale Slab Systems

Oda Tatsuki, Pardede Indra, Kanagawa Tomosato, Ikhsan Nurul, Yoshikawa Daiki, Obata Masao

IEEE TRANSACTIONS ON MAGNETICS, 55(2), Feb, 2019 Peer-reviewed
Investigation of magnetic dipole-dipole interaction using magnetic density on solid oxygen based on first-principles approach

Masao Obata, Masao Obata, Mega Christivana, Tatsuki Oda, Tatsuki Oda

AIP Advances, 8(10), Oct 1, 2018 Peer-reviewed
Ab initio study of martensitic transition in Ni<inf>2</inf>MnGa

T. Koubský, P. Sedlák, H. Seiner, J. Fojtíková, M. Obata, T. Oda, L. Kalvoda

Acta Physica Polonica A, 134(3) 804-806, Sep, 2018
A Comprehensive Study of Sign Change in Electric Field Control Perpendicular Magnetic Anisotropy Energy at Fe/MgO Interface: First Principles Calculation

Indra Pardede, Tomosato Kanagawa, Nurul Ikhsan, Itsuki Murata, Daiki Yoshikawa, Masao Obata, Tatsuki Oda

IEEE Transactions on Magnetics, 55(2), Aug 14, 2018 Peer-reviewed
Implementation of magnetic dipole interaction in the planewave-basis approach for slab systems

Tatsuki Oda, Masao Obata

Journal of the Physical Society of Japan, 87(6), 2018 Peer-reviewed
Reinvestigation on large perpendicular magnetic anisotropy in Fe/MgO interface from first-principles approach

Nurul Ikhsan, Tomosato Kanagawa, Indra Pardede, Masao Obata, Tatsuki Oda

Aug 8, 2017
Tunneling electroresistance of MgZnO-based tunnel junctions

Mohamed Belmoubarik, Muftah Al-Mahdawi, Masao Obata, Daiki Yoshikawa, Hideyuki Sato, Tomohiro Nozaki, Tatsuki Oda, Masashi Sahashi

APPLIED PHYSICS LETTERS, 109(17), Oct, 2016 Peer-reviewed
Density functional study on positively charged six-coordinate FeO2 porphyrin complex for a trigger of O-2 dissociation

Naohiro Kitagawa, Masao Obata, Tatsuki Oda

CHEMICAL PHYSICS LETTERS, 643 119-125, Jan, 2016 Peer-reviewed
20pAU-1 Study on resonance state and magnetic anisotropy in the interfaces Fe/MgO

Oda Tatsuki, Yoshikawa Daiki, Kitagawa Naohiro, Obata Masao

Meeting Abstracts of the Physical Society of Japan, 71 1183-1183, 2016
19pPSA-18 Fully relativistic first-principles study on Rashba effect in thallium-lead-alloy absorbed surface on Si(111)

Nakano H., Kato H., Obata M., Oda T.

Meeting Abstracts of the Physical Society of Japan, 71 2522-2522, 2016
Interface resonance state and electric field effect on magnetic anisotropy in Fe/MgO

Oda Tatsuki, Kanagawa Tomosato, Ota Taichi, Ikhsan Nurul, Obata Masao

Meeting Abstracts of the Physical Society of Japan, 71 979-979, 2016
Weak electron correlation effects in solid oxygen

Obata M., Hamada I., Oda T.

Meeting Abstracts of the Physical Society of Japan, 71 1643-1643, 2016

Misc.

7aAL-5 First-Principles Study of Solid Oxygen Using the van der Waals Density Functional Theory II

Obata Masao, Hamada Ikutaro, Oda Tatsuki

Meeting abstracts of the Physical Society of Japan, 69(2) 594-594, Aug 22, 2014
9aAK-5 First principles calculation on magnetic anisotropy and its electric field effect in the double interface MgO/Fe/MgO

Yoshikawa D., Obata M., Oda T.

Meeting abstracts of the Physical Society of Japan, 69(2) 296-296, Aug 22, 2014
30aPS-150 An Ab-initio Mean-Force Dynamics Using a Logarithmic Energy Landscape for Reconstructing Free-Energy Profiles

Nakamura Makoto, Obata Masao, Morishita Tetsuya, Oda Tatsuki

Meeting abstracts of the Physical Society of Japan, 69(1) 435-435, Mar 5, 2014
28pAN-10 First Principle Study of Solid Oxygen Using the van der Waals Density Functional Theory

Obata Masao, Nakamura Makoto, Hamada Ikutaro, Oda Tatsuki

Meeting abstracts of the Physical Society of Japan, 69(1) 848-848, Mar 5, 2014
28pAN-8 First-principles study on pressure-induced structural phase transitions and metallization of solid argon

Asano M., Ishikawa T., Obata M., Suzuki N., Itoh H., Oda T., Shimizu K.

Meeting abstracts of the Physical Society of Japan, 69(1) 848-848, Mar 5, 2014
Development of Ab-initio Mean-Force Dynamics Using a Logarithmic Energy Landscape for Constructing Free-Energy Profiles

Nakamura Makoto, Obata Masao, Morishita Tetsuya, Oda Tatsuki

Meeting abstracts of the Physical Society of Japan, 68(2) 316-316, Aug 26, 2013
Implementation of van der Waals Density Functional Theory and Application to Molecular Complex

Obata Masao, Nakamura Makoto, Hamada Ikutaro, Oda Tatsuki

Meeting abstracts of the Physical Society of Japan, 68(2) 764-764, Aug 26, 2013

Presentations

固体酸素における電子弱相関効果

小幡正雄, 濱田幾太郎, 小田竜樹

日本物理学会講演概要集(CD-ROM), Sep 23, 2016
ファン・デル・ワールス密度汎関数法を用いた固体酸素の圧力依存性

小幡正雄, 濱田幾太郎, 小田竜樹, 小田竜樹

日本物理学会講演概要集(CD-ROM), Sep 24, 2015
18pAF-1 Pressure dependence of solid oxygen using van der Waals density functional theory

Obata M, Hamada I, Oda T

Meeting Abstracts of the Physical Society of Japan, 2015
ファン・デル・ワールス密度汎関数法を用いた固体酸素の第一原理的研究 II

小幡正雄, 濱田幾太郎, 小田竜樹

日本物理学会講演概要集, Aug 22, 2014
ファン・デル・ワールス密度汎関数法を用いた固体酸素の第一原理的研究

小幡正雄, 中村慎, 濱田幾太郎, 小田竜樹

日本物理学会講演概要集, Mar 5, 2014
7aAL-5 First-Principles Study of Solid Oxygen Using the van der Waals Density Functional Theory II

Obata Masao, Hamada Ikutaro, Oda Tatsuki

Meeting Abstracts of the Physical Society of Japan, 2014
28pAN-10 First Principle Study of Solid Oxygen Using the van der Waals Density Functional Theory

Obata Masao, Nakamura Makoto, Hamada Ikutaro, Oda Tatsuki

Meeting Abstracts of the Physical Society of Japan, 2014
Implementation of van der Waals Density Functional Theory and Application to Molecular Complex

Obata Masao, Nakamura Makoto, Hamada Ikutaro, Oda Tatsuki

Meeting Abstracts of the Physical Society of Japan, 2013

Teaching Experience

熱統計力学演習2 (金沢大学)

Professional Memberships

THE PHYSICAL SOCIETY OF JAPAN

Research Projects

Study on magnetic structure analysis and modeling in the nano twin boundary of magnetic shape memory alloy

Grants-in-Aid for Scientific Research, Fund for the Promotion of Joint International Research (Fostering Joint International Research (B)), Japan Society for the Promotion of Science, Oct, 2021 - Mar, 2025
Development of spin density functional method under magnetic/electric field and application to the materials for magnetic device

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
Development of van der Waals spin density functional method and application to the systems under high pressure and high external magnetic field

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Oda Tatsuki

Profile Information

Research Interests

Research Areas

Research History

Education

Papers

Misc.

Presentations

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