21 citations · 58 across the 13 of their papers we have counts for
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Growth of 2D topological material Bi on InSb(111)B with fractal surface structures
Yoshiyuki Ohtsubo, Takuto Nakamura, Shin-ichi Kimura
Bismuth (Bi) atomic layers are known as 2D topological materials with variety of the electronic structures and topological orders depending on the number of stacking layers. Recent…
Fluctuated spin-orbital texture of Rashba-split surface states in real and reciprocal space
Takuto Nakamura, Yoshiyuki Ohtsubo, Ayumi Harasawa +4
Spin-orbit interaction (SOI) in low-dimensional systems, namely Rashba systems and the edge states of topological materials, is extensively studied in this decade as a promising so…
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…
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,…
Spin-polarized quasi 1D state with finite bandgap on the Bi/InSb(001) surface
J. Kishi, Y. Ohtsubo, T. Nakamura +13
One-dimensional (1D) electronic states were discovered on 1D surface atomic structure of Bi fabricated on semiconductor InSb(001) substrates by angle-resolved photoelectron spectro…