K. Sugawara

Tohoku University — Japan

Materials Science · Physical Sciences

42h-index6.6kcitations265works3.12yr avg
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Research Topics

Graphene research and applications(64), Physics of Superconductivity and Magnetism(52), 2D Materials and Applications(36), Topological Materials and Phenomena(35), Iron-based superconductors research(30)

Publications265 total

Dichotomy of charge density wave and superconductivity in monolayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>NbS</mml:mi> <mml:mn>2</mml:mn> </mml:msub> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mi>NbSe</mml:mi> <mml:mn>2</mml:mn> </mml:msub> </mml:math> : A view from fermiology
Physical Review Materials·2025
Direct observation of band structure modifications from monolayer WSe2 to Janus WSSe
arXiv (Cornell University)·2025Open Access
Ultrafast relaxation dynamics and nonequilibrium processes in graphite
Physical review. B./Physical review. B·2025· 1 cited
Band structure of monolayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>1</mml:mn><mml:mi>T</mml:mi><mml:mtext>−</mml:mtext><mml:msub><mml:mi>TiS</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math> and its implications for the phase diagrams of Ti-based transition metal dichalcogenides
Physical review. B./Physical review. B·2025
Spin-valley coupling enhanced high-TC ferromagnetism in a non-van der Waals monolayer Cr2Se3 on graphene
Nature Communications·2025· 4 citedOpen Access
Giant Rashba splitting in PtTe/PtTe2 heterostructure
Nature Communications·2025· 14 citedOpen Access
Experimental verification of terahertz surface plasmon resonance using the Dirac electron system Bi<sub>2</sub>Se<sub>x</sub>Te<sub>(3-x)</sub>
Optical Materials Express·2025· 1 citedOpen Access
Unusual temperature dependence of the band structure associated with local atomic distortion in monolayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>1</mml:mn><mml:msup><mml:mi>T</mml:mi><mml:mo>′</mml:mo></mml:msup><mml:msub><mml:mtext>-WTe</mml:mtext><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Physical Review Materials·2025· 1 citedOpen Access
Role of spin–orbit coupling for the band splitting in α-Sb and α-Bi on SiC(0001)
Journal of Physics Condensed Matter·2025
Role of spin-orbit coupling for the band splitting in ⍺-Sb and ⍺-Bi on SiC(0001)
Journal of Physics Condensed Matter·2025
Negative spin-to-charge current induced by interfacial spin–orbit coupling in Pt/monolayer 1T-TiSe<sub>2</sub>/graphene/yttrium iron garnet quadruple heterostructures
Journal of Materials Chemistry A·2025
Selective Fabrication of Monolayer 1<i>H</i>- and 1<i>T</i>′-WTe<sub>2</sub>
Journal of the Physical Society of Japan·2024· 3 citedOpen Access
In-situ topotactic chemical reaction for spectroscopies
Electronic Structure·2024· 3 citedOpen Access
Observation of edge states derived from topological helix chains
Nature·2024· 16 cited
180 °-twisted bilayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>ReSe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> as an artificial noncentrosymmetric semiconductor
Physical Review Research·2024· 5 citedOpen Access
Quasi‐Homoepitaxial Growth of Highly Strained Alkali‐Metal Ultrathin Films on Kagome Superconductors
Advanced Science·2024· 2 citedOpen Access
Antiferromagnetic topological insulator with selectively gapped Dirac cones
Nature Communications·2023· 11 citedOpen Access
Moiré‐Assisted Realization of Octahedral MoTe<sub>2</sub> Monolayer
Advanced Science·2023· 3 citedOpen Access
Switching of charge-density wave by carrier tuning in monolayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">TiTe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
Physical Review Materials·2023· 2 cited
180$^\circ$-twisted bilayer ReSe$_2$ as an artificial noncentrosymmetric semiconductor
arXiv (Cornell University)·2023Open Access
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Frequent Co-authors

T. Sato(25), T. Takahashi(16), S. Souma(12), T. Takahashi(12), Shigeyuki Nakaji(7), K. Nakayama(6), Yuki Nakata(6), Taro Hitosugi(6), T. Umeda(6), Yoichi Tanabe(5), A. Takayama(4), Yoshikazu Ito(4), Katsumi Tanigaki(4), Hidenari Takahara(4), Ryota Shimizu(4), Toshiyuki MASHIKO(4), Khuong Kim Huynh(3), Takeshi Fujita(3), Mingwei Chen(3), Katsuhiko Suzuki(3)