473 citations · 1.2k across the 29 of their papers we have counts for
12 papers · 1 filter
Unveiling two-dimensional electron systems on ultra-wide bandgap semiconductor -GaO
Ryu Yukawa, Hiroshi Mizuseki, Suryo Santoso Putro +26
Ultra-wide bandgap (UWBG) semiconductors promise to revolutionize power electronics, yet a fundamental understanding of their interfacial electronic structure has been hindered by…
Molecular beam epitaxy growth of the highly conductive oxide SrMoO
Hiroshi Takatsu, Naoya Yamashina, Daisuke Shiga +5
SrMoO is a promising material for its excellent electrical conductivity, but growing high-quality thin films remains a challenge. Here we synthesized epitaxial films of SrMoO$_…
Electronic structure of a 3x3-ordered silicon layer on Al(111)
Y. Sato, Y. Fukaya, M. Cameau +11
Electronic structure of the 3x3 ordered-phase of a silicon (Si) layer on Al(111) has been studied by angle resolved photoemission spectroscopy (ARPES) technique using synchrotron r…
Tunable two-dimensional electron system at the (110) surface of SnO
J. Dai, E. Frantzeskakis, F. Fortuna +11
We report the observation of a two-dimensional electron system (2DES) at the surface of the transparent bulk insulator SnO, and the tunability of its carrier density by…
Natural van der Waals heterostructural single crystals with both magnetic and topological properties
Jiazhen Wu, Fucai Liu, Masato Sasase +8
Heterostructures having both magnetism and topology are promising materials for the realization of exotic topological quantum states while challenging in synthesis and engineering.…
Giant Rashba splitting of quasi-1D surface states on Bi/InAs(110)-(21)
T. Nakamura, Y. Ohtsubo, Y. Yamashita +10
Electronic states on the Bi/InAs(110)-(21) surface and its spin-polarized structure are revealed by angle-resolved photoelectron spectroscopy (ARPES), spin-resolved ARPES,…
High-density two-dimensional electron system induced by oxygen vacancies in ZnO
T. C. Rödel, J. Dai, F. Fortuna +10
We realize a two-dimensional electron system (2DES) in ZnO by simply depositing pure aluminum on its surface in ultra-high vacuum, and characterize its electronic structure using a…
Peculiar bonding associated with atomic doping and hidden honeycombs in borophene
Chi-Cheng Lee, Baojie Feng, Marie D'angelo +6
Engineering atomic-scale structures allows great manipulation of physical properties and chemical processes for advanced technology. We show that the B atoms deployed at the center…
Growth of Antiperovskite Oxide Ca3SnO Films by Pulsed Laser Deposition
Makoto Minohara, Ryu Yukawa, Miho Kitamura +3
We report the epitaxial growth of Ca3SnO antiperovskite oxide films on (001)-oriented cubic yttria-stabilized zirconia (YSZ) substrates by using a conventional pulsed laser deposit…
Emergence of quantum critical behavior in metallic quantum-well states of strongly correlated oxides
Masaki Kobayashi, Kohei Yoshimatsu, Taichi Mitsuhashi +7
Controlling quantum critical phenomena in strongly correlated electron systems, which emerge in the neighborhood of a quantum phase transition, is a major challenge in modern conde…
Dirac fermions in borophene
Baojie Feng, Osamu Sugino, Ro-Ya Liu +14
Honeycomb structures of group IV elements can host massless Dirac fermions with non-trivial Berry phases. Their potential for electronic applications has attracted great interest a…
Semimetallic "Electride Bands" Derived from Interlayer Electrons in Quasi-Two-Dimensional Electride YC
Koji Horiba, Ryu Yukawa, Taichi Mitsuhashi +10
Two-dimensional (2D) electrides are a new concept material in which anionic electrons are confined in the interlayer space between positively charged layers. We have performed angl…