Y
Yoshiyuki Yamashita
Researcher at National Institute for Materials Science
Publications - 195
Citations - 3921
Yoshiyuki Yamashita is an academic researcher from National Institute for Materials Science. The author has contributed to research in topics: X-ray photoelectron spectroscopy & Photoemission spectroscopy. The author has an hindex of 32, co-authored 183 publications receiving 3541 citations. Previous affiliations of Yoshiyuki Yamashita include Heidelberg University & University of Tokyo.
Papers
More filters
Journal ArticleDOI
Electronic, structural, and magnetic properties of the half-metallic ferromagnetic quaternary Heusler compounds CoFeMnZ (Z = Al, Ga, Si, Ge)
Vajiheh Alijani,Siham Ouardi,Gerhard H. Fecher,Jürgen Winterlik,S. Shahab Naghavi,Xeniya Kozina,Gregory Stryganyuk,Claudia Felser,Eiji Ikenaga,Yoshiyuki Yamashita,Shigenori Ueda,Keisuke Kobayashi +11 more
TL;DR: The quaternary intermetallic Heusler compounds CoFeMn$Z$ ($Z=\text{Al}$, Ga, Si, or Ge) with $1:1: 1:1$ stoichiometry were predicted to exhibit half-metallic ferromagnetism by ab initio electronic structure calculations as discussed by the authors.
Journal ArticleDOI
Hard x-ray photoelectron spectroscopy of buried Heusler compounds
Siham Ouardi,Benjamin Balke,Andrei Gloskovskii,Gerhard H. Fecher,Claudia Felser,Gerd Schönhense,Takayuki Ishikawa,Tetsuya Uemura,Masafumi Yamamoto,Hiroaki Sukegawa,Wenhong Wang,Koichiro Inomata,Yoshiyuki Yamashita,Hideki Yoshikawa,Shigenori Ueda,Keisuke Kobayashi +15 more
TL;DR: In this paper, high energy photoelectron spectroscopy from the valence band of buried Heusler thin films (Co2MnSi and Co2FeAl 0.5Si0.5) excited by photons of about 6?keV energy was performed.
Journal ArticleDOI
Formation of Ni3C Nanocrystals by Thermolysis of Nickel Acetylacetonate in Oleylamine: Characterization Using Hard X-ray Photoelectron Spectroscopy
Yuji Goto,Kota Taniguchi,Takahisa Omata,Shinya Otsuka-Yao-Matsuo,Naoki Ohashi,Shigenori Ueda,Hideki Yoshikawa,Yoshiyuki Yamashita,H. Oohashi,Keisuke Kobayashi +9 more
TL;DR: In this article, two cubic phases and a hexagonal phase were identified using X-ray diffraction and hard-X-ray photoelectron spectroscopy (HX-PES).
Journal ArticleDOI
Probing bulk electronic structure with hard X-ray angle-resolved photoemission
Alexander X. Gray,Alexander X. Gray,Christian Papp,Christian Papp,Christian Papp,Shigenori Ueda,Benjamin Balke,Benjamin Balke,Benjamin Balke,Yoshiyuki Yamashita,Lukasz Plucinski,J. Minár,Jürgen Braun,Erik Ylvisaker,Claus M. Schneider,Warren E. Pickett,Hubert Ebert,Keisuke Kobayashi,Charles S. Fadley,Charles S. Fadley +19 more
TL;DR: The effects of photon wave vector on wave vector conservation, and methods for the removal of phonon-associated smearing of features and photoelectron diffraction effects are assessed.
Proceedings ArticleDOI
Present Status of the NIMS Contract Beamline BL15XU at SPring‐8
Shigenori Ueda,Yoshio Katsuya,Masahiko Tanaka,Hideki Yoshikawa,Yoshiyuki Yamashita,Satoshi Ishimaru,Yoshitaka Matsushita,Keisuke Kobayashi +7 more
TL;DR: The revolver undulator beamline BL15XU at SPring‐8, which is the contract beamline of National Institute for Materials Science (NIMS), was established for materials science using soft and hard X-ray photoelectron spectroscopy (XPS) and high-resolution powder X•ray diffraction (XRD) as mentioned in this paper.