Motoaki Hirayama

Bunkyo University — Japan

Physics and Astronomy · Physical Sciences

25h-index3.0kcitations139works3.42yr avg
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Research Topics

Topological Materials and Phenomena(57), Graphene research and applications(27), Advanced Condensed Matter Physics(27), Physics of Superconductivity and Magnetism(24), 2D Materials and Applications(15)

Publications139 total

Three-dimensional spinless Euler insulators with rotational symmetry
Physical review. B./Physical review. B·2025Open Access
Material realization of spinless, covalent-type Dirac semimetals in three dimensions
arXiv (Cornell University)·2025Open Access
One‐Step Low‐Temperature Synthesis of Metastable <i>ε</i> ‐Iron Carbide Nanoparticles with Unique Catalytic Properties Beyond Conventional Iron Catalysts
Small·2025· 2 citedOpen Access
Antiferroelectric Behavior in Mixed‐Anion Bi<sub>2</sub>TiO<sub>4</sub>F<sub>2</sub> Induced by Rotation of TiO<sub>3</sub>F<sub>3</sub> Octahedra
Advanced Functional Materials·2025· 3 citedOpen Access
Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2
Nature Communications·2025· 13 citedOpen Access
Highly Active and Air-Stable Iron Phosphide Catalyst for Reductive Amination of Carbonyl Compounds Enabled by Metal–Support Synergy
Journal of the American Chemical Society·2025· 5 cited
Designing single and degenerate flat bands in the kagome lattice with long-range hopping
Physical review. B./Physical review. B·2025· 4 cited
Noncentrosymmetric half-Heusler family of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>R</mml:mi><mml:mi>AuSn</mml:mi></mml:mrow></mml:math> with controllable band spin texture and colossal magnetoresistance
Physical review. B./Physical review. B·2025· 5 cited
Ideal spin-orbit-free Dirac semimetal and diverse topological transitions in Y8CoIn3 family
Communications Materials·2024· 2 citedOpen Access
Designing single and degenerate flat bands in the Kagome lattice with long-range hopping
arXiv (Cornell University)·2024Open Access
Spin-polarized saddle points in the topological surface states of elemental bismuth revealed by pump-probe spin- and angle-resolved photoemission spectroscopy
Physical review. B./Physical review. B·2024· 2 citedOpen Access
Band-driven switching of magnetism in a van der Waals magnetic semimetal
Science Advances·2024· 11 citedOpen Access
Topological band inversion and chiral Majorana mode in hcp thallium
Journal of Physics Condensed Matter·2024· 1 citedOpen Access
Ideal Spin-Orbit-Free Dirac Semimetal and Diverse Topological Transitions in Pr$_8$CoGa$_3$ Family
arXiv (Cornell University)·2024Open Access
Topological Band Inversion and Chiral Majorana Mode in Hcp Thallium
arXiv (Cornell University)·2023Open Access
Strongly pinned skyrmionic bubbles and higher-order nonlinear Hall resistances at the interface of Pt/FeSi bilayer
arXiv (Cornell University)·2023Open Access
Colossal negative magnetoresistance in field-induced Weyl semimetal of magnetic half-Heusler compound
Nature Communications·2023· 13 citedOpen Access
Iron phosphide nanocrystals as an air-stable heterogeneous catalyst for liquid-phase nitrile hydrogenation
Nature Communications·2023· 25 citedOpen Access
Crystal symmetry protected gapless vortex line phases in superconducting Dirac semimetals
Physical review. B./Physical review. B·2023· 5 cited
Spontaneous topological Hall effect induced by non-coplanar antiferromagnetic order in intercalated van der Waals materials
Nature Physics·2023· 92 cited
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Frequent Co-authors

Ryotaro Arita(21), Takuya Nomoto(10), Shuichi Murakami(10), Yoshinori Tokura(8), Takashi Miyake(7), Masatoshi Imada(6), Daisuke Hashizume(5), Susumu Minami(4), Takashi Koretsune(4), Youhei Yamaji(4), Minoru Kawamura(4), Shiro Sakai(4), Tonghua Yu(4), Akito Sakai(3), Taishi Chen(3), Satoru Nakatsuji(3), Ryo Okugawa(3), Yusuke Nomura(3), Kenta Kuroda(3), Shik Shin(3)