activity
20042023
most citedHeavily electron-doped electronic structure and isotropic superconducting gap in AxFe2Se2 (A=K,Cs)

449 citations · 2.2k across the 72 of their papers we have counts for

collaborators

72 papers

cond-mat.str-el2023★ 9 cited

Observation of Electronic Structure Modification in the Hidden Order Phase of CeCoSi

Shin-ichi Kimura, Hiroshi Watanabe, Shingo Tatsukawa +1

CeCoSi with no local inversion symmetric crystal structure () exhibits a phase transition of unknown origin (Hidden Order: HO) at about 12 K () above the antiferromagn…

cond-mat.str-el2023★ 3 cited

Current-Induced Metallization and Valence Transition in Black SmS

Shin-ichi Kimura, Hiroshi Watanabe, Shingo Tatsukawa +4

A strongly-correlated insulator, samarium mono-sulfide (SmS), presents not only the pressure-induced insulator-to-metal transition (IMT) with the color change from black to golden-…

cond-mat.mtrl-sci2022★ 1 cited

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…

cond-mat.str-el2022★ 4 cited

Surface valence transition in SmS by alkali metal adsorption

Takuto Nakamura, Toru Nakaya, Yoshiyuki Ohtsubo +9

The electronic structure changes of SmS surfaces under potassium (K) doping are elucidated using synchrotron-based core-level photoelectron spectroscopy and angle-resolved photoele…

cond-mat.str-el2022★ 6 cited

Breakdown of bulk-projected isotropy in surface electronic states of topological Kondo insulator SmB(001)

Yoshiyuki Ohtsubo, Toru Nakaya, Takuto Nakamura +4

The topology and spin-orbital polarization of two-dimensional (2D) surface electronic states have been extensively studied in this decade. One major interest in them is their close…

cond-mat.mtrl-sci2021★ 2 cited

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…