Hiroyo Kawai

Agency for Science, Technology and Research — Singapore

Materials Science · Physical Sciences

18h-index928citations57works6.82yr avg
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Research Topics

2D Materials and Applications(19), Quantum and electron transport phenomena(18), Molecular Junctions and Nanostructures(16), Surface and Thin Film Phenomena(16), Graphene research and applications(11)

Publications57 total

Evidence of air-induced surface transformation of atomic step-engineered sapphire in relation to epitaxial growth of 2D semiconductors
Nature Communications·2025· 2 citedOpen Access
Unveiling air-induced surface transformation on atomic step-engineered sapphire for oriented growth of transition metal dichalcogenides
2025Open Access
Uncovering Semiconductor Band Structure Effects in Au/n‐WS <sub>2</sub> Schottky Devices Using Ballistic Electron Emission Microscopy
physica status solidi (b)·2025
Propensity of oxidation of transition metal dichalcogenide monolayers in relation to physical configuration of chalcogen vacancies
Physical review. B./Physical review. B·2025· 3 cited
Influence of Substrate Defects on the Electronic Properties of the WS<sub>2</sub> Monolayer/Highly Oriented Pyrolytic Graphite Heterostructure
ACS Applied Electronic Materials·2024· 1 cited
Role of S-Vacancy Concentration in Air Oxidation of WS<sub>2</sub> Single Crystals
ACS Nano·2024· 35 cited
Interlayer hybridization in a van der Waals quantum spin-Hall insulator/superconductor heterostructure
AIP Advances·2023Open Access
Author Correction: Carrier control in 2D transition metal dichalcogenides with Al2O3 dielectric
Scientific Reports·2021Open Access
Impact of S-Vacancies on the Charge Injection Barrier at the Electrical Contact with the MoS<sub>2</sub> Monolayer
ACS Nano·2021· 51 cited
Influence of many-body effects on hole quasiparticle dynamics in a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi mathvariant="normal">WS</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math> monolayer
Physical review. B./Physical review. B·2021· 18 cited
2D approximant lattice model: A framework for the simulation of amorphous film deposition
Computational Materials Science·2020· 1 cited
Kinetic Monte Carlo Simulations of Effect of Grain Boundary Variability on Forming Times of RRAM Conductive Filaments
˜The œminerals, metals & materials series·2020· 1 cited
Detecting MoS2 and MoSe2 with optical contrast simulation
Progress in Natural Science Materials International·2019· 9 citedOpen Access
Carrier control in 2D transition metal dichalcogenides with Al2O3 dielectric
Scientific Reports·2019· 17 citedOpen Access
Surface-engineered cobalt oxide nanowires as multifunctional electrocatalysts for efficient Zn-Air batteries-driven overall water splitting
Energy storage materials·2019· 60 cited
Electronic transport in planar atomic-scale structures measured by two-probe scanning tunneling spectroscopy
Nature Communications·2019· 39 citedOpen Access
Protected hole valley states in single-layer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Mo</mml:mi><mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>
Physical review. B./Physical review. B·2019· 16 cited
Electrical Doping Effect of Vacancies on Monolayer MoS<sub>2</sub>
The Journal of Physical Chemistry C·2019· 58 cited
Making 2D Nanolayers Visible by Optical Imaging
2019
Protected hole valley states in single-layer [Formula : see text]
Physical Review B·2019
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Frequent Co-authors

Christian Joachim(19), Kuan Eng Johnson Goh(18), Mark Saeys(17), Fabio Bussolotti(12), Marek Kolmer(10), Szymon Godlewski(10), Marek Szymoński(9), Rafał Zuzak(7), Jing Yang(6), Daniel Sánchez‐Portal(6), Antonio M. Echavarren(6), Aran García-Lekue(5), Mads Engelund(5), Calvin Pei Yu Wong(4), Thathsara D. Maddumapatabandi(4), Wei Fu(4), Hyunsoo Yang(3), Michel Bosman(3), Bartosz Such(3), Pedro Brandimarte(3)