6 citations · 6 across the 1 of their papers we have counts for
7 papers
One-dimensionality of the spin-polarized surface conduction and valence bands of quasi-one-dimensional Bi chains on GaSb(110)-(21)
Yoshiyuki Ohtsubo, Naoki Tokumasu, Hiroshi Watanabe +8
Surface electronic structure and its one-dimensionality above and below the Fermi level () were surveyed on the Bi/GaSb(110)-(21) surface hosting quasi-one-dimen…
Fermi level tuning of one-dimensional giant Rashba system on a semiconductor substrate: Bi/GaSb(110)-(2x1)
Takuto Nakamura, Yoshiyuki Ohtsubo, Naoki Tokumasu +10
We fabricated spin-polarized surface electronic states with tunable Fermi level from semiconductor to low-dimensional metal in the Bi/GaSb(110)-(21) surface using angle-res…
Optical and photoelectrical studies on anisotropic metal-insulator transition of RuAs
Yuki Nakajima, Zenjiro Mita, Hiroshi Watanabe +6
The anisotropic changes in the electronic structure of a metal-to-insulator transition (MIT) material, RuAs, with two-step phase transition are reported by using polarized optical…
Temperature-driven modification of surface electronic structure on bismuth, a topological border material
Y. Ohtsubo, Y. Yamashita, J. Kishi +7
Single crystalline bismuth (Bi) is known to have a peculiar electronic structure which is very close to the topological phase transition. The modification of the surface states of…
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,…
Non-trivial surface states of samarium hexaboride at the (111) surface
Y. Ohtsubo, Y. Yamashita, K. Hagiwara +10
The peculiar metallic electronic states observed in the Kondo insulator, samarium hexaboride (SmB), has stimulated considerable attention among those studying non-trivial elect…