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T. Hirahara · SciRah

Researcher profile · Semantic Scholar

T. Hirahara

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T. Hirahara — researcher profile on SciRah

h-index: 30
Works: 127
Citations: 3,197

Most-cited papers

Redox control and high conductivity of nickel bis(dithiolene) complex π-nanosheet: a potential organic two-dimensional topological insulator.
Tetsuya Kambe, R. Sakamoto, T. Kusamoto, T. Pal +9 more
2014Journal of the American Chemical Society397 citations
Semantic Scholar
Interfacing 2D and 3D topological insulators: Bi(111) bilayer on Bi2Te3.
T. Hirahara, G. Bihlmayer, Y. Sakamoto, M. Yamada +4 more
2011Physical Review Letters193 citations
Semantic Scholar
Evidence of Dirac fermions in multilayer silicene
P. De Padova, P. Vogt, A. Resta, J. Avila +10 more
2013160 citations Open access
Semantic Scholar
Large-Gap Magnetic Topological Heterostructure Formed by Subsurface Incorporation of a Ferromagnetic Layer.
T. Hirahara, S. Eremeev, T. Shirasawa, Y. Okuyama +16 more
2017Nano letters (Print)127 citations Open access
Semantic Scholar
Magnetoresistance measurements of a superconducting surface state of in-induced and Pb-induced structures on Si(111).
M. Yamada, T. Hirahara, S. Hasegawa
2013Physical Review Letters105 citations
Semantic Scholar
Atomic and electronic structure of ultrathin Bi(111) films grown on Bi2Te3(111) substrates: evidence for a strain-induced topological phase transition.
T. Hirahara, Naoya Fukui, T. Shirasawa, M. Yamada +7 more
2012Physical Review Letters103 citations
Semantic Scholar
Direct mapping of the spin-filtered surface bands of a three-dimensional quantum spin Hall insulator
A. Nishide, A. Taskin, Y. Takeichi, T. Okuda +6 more
200999 citations Open access
Semantic Scholar
Spectroscopic evidence of a topological quantum phase transition in ultrathin Bi 2 Se 3 films
Y. Sakamoto, T. Hirahara, H. Miyazaki, S. Kimura +1 more
201098 citations
Semantic Scholar
Structure determination of multilayer silicene grown on Ag(111) films by electron diffraction: Evidence for Ag segregation at the surface
Terufusa Shirai, T. Shirasawa, T. Hirahara, Naoya Fukui +2 more
201475 citations
Semantic Scholar
Direct detection of grain boundary scattering in damascene Cu wires by nanoscale four-point probe resistance measurements
Y. Kitaoka, T. Tono, Shinya Yoshimoto, T. Hirahara +2 more
200961 citations
Semantic Scholar
Hydrogen-induced surface metallization of SrTiO3(001).
M. D'Angelo, R. Yukawa, K. Ozawa, S. Yamamoto +5 more
2012Physical Review Letters48 citations
Semantic Scholar
Origin of the surface-state band-splitting in ultrathin Bi films: from a Rashba effect to a parity effect
T. Hirahara, K. Miyamoto, A. Kimura, Y. Niinuma +9 more
200846 citations Open access
Semantic Scholar
A topological metal at the surface of an ultrathin BiSb alloy film
T. Hirahara, Y. Sakamoto, Y. Saisyu, H. Miyazaki +5 more
201041 citations
Semantic Scholar
Role of Quantum and Surface-State Effects in the Bulk Fermi-Level Position of Ultrathin Bi Films.
T. Hirahara, Terufusa Shirai, T. Hajiri, M. Matsunami +4 more
2015Physical Review Letters40 citations
Semantic Scholar
Interfacing 2 D and 3 D Topological Insulators : Bi ( 111 ) Bilayer on Bi 2 Te
T. Hirahara, G. Bihlamyer, Y. Sakamoto, M. Yamada +4 more
201135 citations
Semantic Scholar
In situ magnetotransport measurements in ultrathin Bi films: evidence for surface-bulk coherent transport.
M. Aitani, T. Hirahara, S. Ichinokura, Masahiro Hanaduka +2 more
2014Physical Review Letters34 citations
Semantic Scholar
Surface relaxation of topological insulators: Influence on the electronic structure
Naoya Fukui, T. Hirahara, T. Shirasawa, Toshio Takahashi +2 more
201233 citations
Semantic Scholar
Anomalous transport in ann-type topological insulator ultrathinBi2Se3film
T. Hirahara, Y. Sakamoto, Y. Takeichi, H. Miyazaki +4 more
201032 citations
Semantic Scholar
Surface Electrical Conductivity Measurement System with Micro-Four-Point Probes at Sub-Kelvin Temperature under High Magnetic Field in Ultrahigh Vacuum
M. Yamada, T. Hirahara, R. Hobara, S. Hasegawa +3 more
201231 citations Open access
Semantic Scholar
Spin polarization of quantum well states in Ag films induced by the Rashba effect at the surface.
K. He, T. Hirahara, T. Okuda, S. Hasegawa +2 more
2008Physical Review Letters31 citations
Semantic Scholar
Two-Dimensional Superconductivity of Ca-Intercalated Graphene on SiC: Vital Role of the Interface between Monolayer Graphene and the Substrate.
H. Toyama, R. Akiyama, S. Ichinokura, Mizuki Hashizume +9 more
2022ACS Nano30 citations Open access
Semantic Scholar
Direct observation of a gap opening in topological interface states of MnSe/Bi2Se3 heterostructure
A. V. Matetskiy, I. A. Kibirev, T. Hirahara, S. Hasegawa +2 more
201528 citations Open access
Semantic Scholar
Conductivity of the Si(111)7x7 dangling-bond state
M. D'Angelo, K. Takase, N. Miyata, T. Hirahara +4 more
200922 citations
Semantic Scholar
Electronic transport properties of quantum-well states in ultrathin Pb (111) films
N. Miyata, K. Horikoshi, T. Hirahara, S. Hasegawa +2 more
200821 citations
Semantic Scholar
Phase transition temperatures determined by different experimental methods: Si ( 111 ) 4 × 1 -In surface with defects
Takahide Shibasaki, N. Nagamura, T. Hirahara, H. Okino +7 more
201020 citations
Semantic Scholar
Structure and transport properties of Cu-dopedBi2Se3films
T. Shirasawa, Masato Sugiki, T. Hirahara, M. Aitani +3 more
201419 citations
Semantic Scholar
Interfacial Superconductivity in FeSe Ultrathin Films on SrTiO_{3} Probed by In Situ Independently Driven Four-Point-Probe Measurements.
A. K. Pedersen, S. Ichinokura, Tomoaki Tanaka, R. Shimizu +2 more
2020Physical Review Letters18 citations
Semantic Scholar
Erratum: Structure determination of multilayer silicene grown on Ag(111) films by electron diffraction: Evidence for Ag segregation at the surface [Phys. Rev. B 89, 241403(R) (2014)]
Terufusa Shirai, T. Shirasawa, T. Hirahara, Naoya Fukui +2 more
201418 citations Open access
Semantic Scholar
Topological metal at the surface of an ultrathin Bi 1 − x Sb x alloy film
T. Hirahara, Y. Sakamoto, Y. Saisyu, H. Miyazaki +5 more
201018 citations
Semantic Scholar
Fermi-Level Tuning of Topological Insulator Thin Films
M. Aitani, Y. Sakamoto, T. Hirahara, M. Yamada +4 more
201315 citations Open access
Semantic Scholar
The Rashba and quantum size effects in ultrathin Bi films
T. Hirahara
201514 citations
Semantic Scholar
Direct spectroscopic evidence of spin-dependent hybridization between Rashba-split surface states and quantum-well states.
K. He, Y. Takeichi, M. Ogawa, T. Okuda +7 more
2010Physical Review Letters14 citations
Semantic Scholar
Anisotropic conductivity of the Si(111)4×1-In surface: Transport mechanism determined by the temperature dependence
T. Uetake, T. Hirahara, Y. Ueda, N. Nagamura +2 more
201213 citations
Semantic Scholar
Insulating conduction in Sn/Si(111): Possibility of a Mott insulating ground state and metallization/localization induced by carrier doping
T. Hirahara, T. Komorida, Yan Gu, F. Nakamura +3 more
200913 citations
Semantic Scholar
Erratum: Direct mapping of the spin-filtered surface bands of a three-dimensional quantum spin Hall insulator [Phys. Rev. B 81, 041309(R) (2010)]
A. Nishide, A. Taskin, Y. Takeichi, T. Okuda +6 more
201012 citations Open access
Semantic Scholar
Efficiency of electron doping to monolayer hexagonal boron nitride by alkali metals
S. Ichinokura, A. Hemmi, H. Cun, K. Tanaka +4 more
2023Applied Physics Letters11 citations Open access
Semantic Scholar
Growth and atomic structure of tellurium thin films grown on Bi2Te3
Y. Okuyama, Y. Sugiyama, S. Ideta, Kiyohisa Tanaka +1 more
201711 citations
Semantic Scholar
Structure and transport properties of Cu-doped Bi2Se3 films
T. Shirasawa, Masato Sugiki, T. Hirahara, M. Aitani +3 more
201411 citations
Semantic Scholar
Bulk and surface electronic structure of Bi$_4$Te$_3$ from $GW$ calculations and photoemission experiments
D. Nabok, M. Taş, Shotaro Kusaka, E. Durgun +5 more
202210 citations Open access
Semantic Scholar
Development of a Convenient in situ UHV Scanning Tunneling Potentiometry System Using a Tip Holder Equipped with Current-Injection Wires
Tomonori Nakamura, Ryo Yoshino, R. Hobara, S. Hasegawa +1 more
201610 citations Open access
Semantic Scholar
Structure of a Bi/Bi2Te3heteroepitaxial film studied by x-ray crystal truncation rod scattering
T. Shirasawa, J. Tsunoda, T. Hirahara, Toshio Takahashi
201310 citations
Semantic Scholar
Development of a Surface Magneto-Transport Measurement System with Multi-Probes and the In situ Measurement of Bi Nanofilms Prepared on Si(111)7×7
N. Miyata, R. Hobara, H. Narita, T. Hirahara +2 more
201110 citations Open access
Semantic Scholar
Anomalous transport in an n-type topological insulator ultrathin Bi2Se3 film
T. Hirahara, Y. Sakamoto, Y. Takeichi, H. Miyazaki +4 more
201010 citations
Semantic Scholar
In Situ Microfabrication and Measurements of Bi2Se3 Ultrathin Films in a Multichamber System with a Focused Ion Beam, Molecular Beam Epitaxy, and Four-Tip Scanning Tunneling Microscope
Naoya Fukui, R. Hobara, T. Hirahara, S. Hasegawa +4 more
20148 citations Open access
Semantic Scholar
In situ transport measurements on ultrathin Bi(111) films using a magnetic tip: possible detection of current-induced spin polarization in the surface states
T. Tono, T. Hirahara, S. Hasegawa
20138 citations Open access
Semantic Scholar
Electron compound nature in a surface atomic layer of a two-dimensional hexagonal lattice
I. Matsuda, F. Nakamura, K. Kubo, T. Hirahara +11 more
20108 citations Open access
Semantic Scholar
Role of hybridization and magnetic effects in massive Dirac cones: Magnetic topological heterostructures with controlled film thickness
Y. Okuyama, R. Ishikawa, S. Kuroda, T. Hirahara
2019Applied Physics Letters7 citations
Semantic Scholar
Anisotropic electronic conduction in metal nanofilms grown on a one-dimensional surface superstructure
N. Nagamura, R. Hobara, T. Uetake, T. Hirahara +9 more
20147 citations
Semantic Scholar
Enhanced spin relaxation in an ultrathin metal film by the Rashba-type surface
N. Miyata, H. Narita, M. Ogawa, A. Harasawa +7 more
20117 citations
Semantic Scholar
Conductance transition and interwire ordering of Pb nanowires on Si(557)
Harumo Morikawa, K. Kim, Y. Kitaoka, T. Hirahara +2 more
20107 citations Open access
Semantic Scholar

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Toshio Takahashi — researcher profile on SciRah