44 citations · 314 across the 18 of their papers we have counts for
18 papers
Anomalously large spin-dependent electron correlation in nearly half-metallic ferromagnet CoS
Hirokazu Fujiwara, Kensei Terashima, Junya Otsuki +19
The spin-dependent band structure of CoS which is a candidate for a half-metallic ferromagnet was investigated by both spin- and angle-resolved photoemission spectroscopy and t…
Soft x-ray irradiation induced metallization of layered TiNCl
Noriyuki Kataoka, Masashi Tanaka, Wataru Hosoda +5
We have performed soft x-ray spectroscopy in order to study the photoirradiation time dependence of the valence band structure and chemical states of layered transition metal nitri…
μ-PES Studies on TiNCl and Quasi-two-dimensional Superconductor Na-intercalated TiNCl
Noriyuki Kataoka, Kensei Terashima, Masashi Tanaka +5
Electron-doped TiNCl is a superconductor, for which exotic mechanisms of the superconductivity have been discussed. However, difficulty in preparing large single-phase samples has…
Origins of thermal spin depolarization in half-metallic ferromagnet CrO
H. Fujiwara, K. Terashima, M. Sunagawa +15
Using high-resolution spin-resolved photoemission spectroscopy, we observed a thermal spin depolarization to which all spin-polarized electrons contribute. Furthermore we observed…
Temperature-dependent local structure of superconducting BaPdAs and SrPdAs
K. Terashima, E. Paris, L. Simonelli +12
The local structures of 122-type paradium arsenides, namely BaPdAs and SrPdAs, are examined by As K-edge extended x-ray absorption fine structure measurements to fi…
Determination of the local structure of SrMIrO (M = K, La) as a function of doping and temperature
K. Terashima, E. Paris, E. Salas-Colera +11
The local structure of correlated spin-orbit insulator SrMIrO (M = K, La) has been investigated by Ir L-edge extended x-ray absorption fine structure measuremen…
Direct observation of double valence-band extrema and anisotropic effective masses of the thermoelectric material SnSe
T. Nagayama, K. Terashima, T. Wakita +14
Synchrotron-based angle-resolved photoemission spectroscopy is used to determine the electronic structure of layered SnSe, which was recently turned out to be a potential thermoele…
Observation of Intrinsic Half-metallic Behavior of CrO (100) Epitaxial Films by Bulk-sensitive Spin-resolved PES
Hirokazu Fujiwara, Masanori Sunagawa, Kensei Terashima +4
We have investigated the electronic states and spin polarization of half-metallic ferromagnet CrO (100) epitaxial films by bulk-sensitive spin-resolved photoemission spectrosco…
Evolution of remnant Fermi surface state in lightly-doped correlated spin-orbit insulator SrLaIrO
K. Terashima, M. Sunagawa, H. Fujiwara +14
Electronic structure has been studied in lightly electron doped correlated spin-orbit insulator SrIrO by angle-resolved photoelectron spectroscopy. We have observed coexist…
Observation of a Hidden Hole-Like Band Approaching the Fermi Level in K-Doped Iron Selenide Superconductor
Masanori Sunagawa, Kensei Terashima, Takahiro Hamada +16
One of the ultimate goals of the study of iron-based superconductors is to identify the common feature that produces the high critical temperature (Tc). In the early days, based on…
Intrinsic spin polarized electronic structure of CrO2 epitaxial film revealed by bulk-sensitive spin-resolved photoemission spectroscopy
Hirokazu Fujiwara, Masanori Sunagawa, Kensei Terashima +4
We have performed bulk-sensitive spin-resolved photoemission spectroscopy in order to clarify the intrinsic spin-resolved electronic states of half-metallic ferromagnet CrO2. We us…
Proximity to Fermi-surface topological change in superconducting LaO0.54F0.46BiS2
K. Terashima, J. Sonoyama, T. Wakita +16
The electronic structure of nearly optimally-doped novel superconductor LaOFBiS ( = 0.46) was investigated using angle-resolved photoemission spectroscopy…
Signature of high Tc around 25K in higher quality heavily boron-doped diamond
Hiroyuki Okazaki, Takanori Wakita, Takayuki Muro +7
Diamond has outstanding physical properties: the hardest known material, a wide band gap, the highest thermal conductivity, and a very high Debye temperature. In 2004, Ekimov et al…
Pressure-dependent magnetization and magnetoresistivity studies on the tetragonal FeS (mackinawite): revealing its intrinsic metallic character
S. J. Denholme, H. Okazaki, S. Demura +9
The transport and magnetic properties of the tetragonal FeS were investigated using magnetoresistivity and magnetization within 2300 K, 70 kOe and $P\le…
Electronic Structures of CeM2Al10 (M = Fe, Ru, and Os) Studied by Soft X-ray Resonant and High-Resolution Photoemission Spectroscopies
Toshihiko Ishiga, Takanori Wakita, Rikiya Yoshida +12
We have performed a photoemission spectroscopy (PES) study of CeM2Al10 (M = Fe, Ru, and Os) to directly observe the electronic structure involved in the unusual magnetic ordering.…
Soft x-ray photoemission study of new BiS-layered superconductor LaOFBiS
Shinsuke Nagira, Junki Sonoyama, Takanori Wakita +16
We use core level and valence band soft x-ray photoemission spectroscopy (SXPES) to investigate electronic structure of new BiS layered superconductor LaOFBiS$_…
Electronic structure of pristine and K-doped solid picene: Non-rigid-band change and its implication for electron-intramolecular-vibration interaction
H. Okazaki, T. Wakita, T. Muro +11
We use photoemission spectroscopy to study electronic structures of pristine and K-doped solid picene. The valence band spectrum of pristine picene consists of three main features…
Electronic Structure of Superconducting FeSe Studied by High-Resolution Photoemission Spectroscopy
Rikiya Yoshida, Takanori Wakita, Hiroyuki Okazaki +13
We have performed soft x-ray and ultrahigh-resolution laser-excited photoemission measurements on tetragonal FeSe, which was recently identified as a superconductor. Energy depende…