activity
20082026
most citedLarge-gap magnetic topological heterostructure formed by subsurface incorporation of a ferromagnetic layer

153 citations · 1.3k across the 48 of their papers we have counts for

collaborators

48 papers

cond-mat.str-el2026

Electronic structure and anisotropic magnetotransport in the topological kagome ferromagnet MgMn6Sn6

Debasmita Swain, Mohit Mudgal Suman Nandi, Aradhana Kumari +7

We report the magnetic, magnetotransport, and electronic properties of the kagome ferromag net MgMn6Sn6 using magnetization, angle dependent magnetoresistance, x-ray magnetic circu…

cond-mat.str-el2025★ 1 cited

Proximity-Induced Nodal Metal in an Extremely Underdoped CuO Plane in Triple-Layer Cuprates

Shin-ichiro Ideta, Shintaro Adachi, Takashi Noji +15

ARPES studies have established that the high- cuprates with single and double CuO layers evolve from the Mott insulator to the pseudogap state with a Fermi arc, on which t…

cond-mat.supr-con2024

Coupling between electrons and charge density wave fluctuation and its possible role in superconductivity

Yeonghoon Lee, Yeahan Sur, Sunghun Kim +12

In most of charge density wave (CDW) systems of different material classes, ranging from traditional correlated systems in low-dimension to recent topological systems with Kagome l…

cond-mat.mes-hall2024★ 11 cited

Evidence for Two-dimensional Weyl Fermions in Air-Stable Monolayer PtTe

Zhihao Cai, Haijun Cao, Haohao Sheng +14

The Weyl semimetals represent a distinct category of topological materials wherein the low-energy excitations appear as the long-sought Weyl fermions. Exotic transport and optical…

cond-mat.mes-hall2023

Proving weak electronic interaction between molecules and substrate: a study of pentacene monolayer on graphite

Yuri Hasegawa, Takuma Yamaguchi, Matthias Meissner +6

The impact of van der Waals interaction on the electronic structure between a pentacene monolayer and a graphite surface was investigated. Upon cooling the monolayer, newly formed…

cond-mat.mtrl-sci2022★ 3 cited

Semiconducting Electronic Structure of the Ferromagnetic Spinel Revealed by Soft-X-Ray Angle-Resolved Photoemission Spectroscopy

Hiroaki Tanaka, Andrei V. Telegin, Yurii P. Sukhorukov +12

We study the electronic structure of the ferromagnetic spinel by soft-x-ray angle-resolved photoemission spectroscopy (SX-ARPES) and first-p…

cond-mat.str-el2022★ 1 cited

Observation of the bands with orbital character near the Fermi level in NdFeAsPOF using angle-resolved photoemission spectroscopy

Z. H. Tin, T. Adachi, A. Takemori +6

We studied the band structure of NdFeAsPOF ( = 0, 0.2, 0.4 and 0.6) using angle-resolved photoemission spectroscopy (ARPES) measurements. Two of th…

cond-mat.mtrl-sci2022★ 36 cited

Large anomalous Hall effect induced by weak ferromagnetism in the noncentrosymmetric antiferromagnet

Hiroaki Tanaka, Shota Okazaki, Kenta Kuroda +13

We study the mechanism of the exceptionally large anomalous Hall effect (AHE) in the noncentrosymmetric antiferromagnet by angle-resolved pho…

cond-mat.supr-con2021★ 4 cited

Superconducting gap and pseudogap in the surface states of the iron-based superconductor PrFeAsO studied by angle-resolved photoemission spectroscopy

K. Hagiwara, M. Ishikado, M. Horio +12

In order to study the possible superconductivity at the polar surfaces of 1111-type iron-based superconductors, which is doped with a large amount of holes in spite of the electron…

cond-mat.mes-hall2021★ 15 cited

Van Hove Singularity and Lifshitz Transition in Thickness-Controlled Li-Intercalated Graphene

S. Ichinokura, M. Toyoda, M. Hashizume +8

We demonstrate a new method to control the Fermi level around the van Hove singularity (VHS) in Li-intercalated graphene on the SiC substrate. By angle-resolved photoemission spect…

cond-mat.supr-con2020★ 18 cited

Hybridization of Bogoliubov-quasiparticles between adjacent CuO layers in the triple-layer cuprate BiSrCaCuO studied by ARPES

S. Ideta, S. Johnston, T. Yoshida +13

Hybridization of Bogoliubov quasiparticles (BQPs) between the CuO layers in the triple-layer cuprate high-temperature superconductor BiSrCaCuO is studi…

cond-mat.mtrl-sci2020★ 44 cited

Devil's staircase transition of the electronic structures in CeSb

Kenta Kuroda, Y. Arai, N. Rezaei +21

Solids with competing interactions often undergo complex phase transitions with a variety of long-periodic modulations. Among such transition, devil's staircase is the most complex…

cond-mat.supr-con2020★ 20 cited

Extended superconducting dome of electron-doped cuprates after protect annealing revealed by ARPES

C. Lin, T. Adachi, M. Horio +17

The electron-doped cuprates are usually characterized by a more robust antiferromagnetic phase and a much narrower superconducting (SC) dome than those of the hole-doped counterpar…

cond-mat.supr-con2020★ 1 cited

Electronic Structure of ( = 0.25, = 0.08) Revealed by Angle-Resolved Photoemission Spectroscopy

Toru Adachi, Shinichiro Ideta, Zi How Tin +4

We have investigated the electronic structure of ( = 0.25, = 0.08) by means o…

cond-mat.mes-hall2019★ 3 cited

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…

cond-mat.supr-con2019★ 18 cited

-wave superconducting gap observed in protect-annealed electron-doped cuprate superconductors PrLaCeCuO

M. Horio, K. Koshiishi, S. Nakata +11

For electron-doped cuprates, the strong suppression of antiferromagnetic spin correlation by efficient reduction annealing by the "protect-annealing" method leads to superconductiv…

cond-mat.mtrl-sci2019★ 6 cited

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…

cond-mat.supr-con2018★ 21 cited

Nematicity in the pseudogap state of cuprate superconductors revealed by angle-resolved photoemission spectroscopy

S. Nakata, M. Horio, K. Koshiishi +9

The nature of the pseudogap and its relationship with superconductivity are one of the central issues of cuprate superconductors. Recently, a possible scenario has been proposed th…

cond-mat.supr-con2018★ 2 cited

Change of Fermi surface states related with two different -raising mechanisms in iron pnictide superconductor

A. Takemori, T. Hajiri, S. Miyasaka +6

Evolution of Fermi surface (FS) states of NdFeAsPOF single crystals with As/P substitution has been investigated. The critical temperature a…

cond-mat.supr-con2018★ 8 cited

Effect of electron correlations on spin excitation bandwidth in BaKFeAs as seen via time-of-flight inelastic neutron scattering

Naoki Murai, Katsuhiro Suzuki, Shin-ichiro Ideta +4

We use inelastic neutron scattering (INS) to investigate the effect of electron correlations on spin dynamics in the iron-based superconductor BaKFeAs…

cond-mat.mtrl-sci2018★ 21 cited

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,…

cond-mat.str-el2018★ 29 cited

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…

cond-mat.str-el2017★ 6 cited

Direct observation of heterogeneous valence state in Yb-based quasicrystalline approximants

M. Matsunami, M. Oura, K. Tamasaku +10

We study the electronic structure of Tsai-type cluster-based quasicrystalline approximants, AuGeYb (AGY-I), AuGeYb (AGY-II), and Zn$_{…

cond-mat.mtrl-sci2017★ 153 cited

Large-gap magnetic topological heterostructure formed by subsurface incorporation of a ferromagnetic layer

Toru Hirahara, Sergey V. Eremeev, Tetsuroh Shirasawa +17

Inducing magnetism into topological insulators is intriguing for utilizing exotic phenomena such as the quantum anomalous Hall effect (QAHE) for technological applications. While m…