246 citations · 597 across the 13 of their papers we have counts for
13 papers
Molecular spin-orbit excitations in the J_eff = 1/2 frustrated spinel GeCoO
K. Tomiyasu, M. K. Crawford, D. T. Adroja +9
We describe powder and single-crystal inelastic neutron scattering experiments on a spinel-type antiferromagnet GeCoO, represented by an effective total angular momentum J_…
Elastic Instabilities within Antiferromagnetically Ordered Phase in the Orbitally-Frustrated Spinel GeCoO
Tadataka Watanabe, Shigeo Hara, Shin-Ichi Ikeda +1
Ultrasound velocity measurements of the orbitally-frustrated GeCoO reveal unusual elastic instabilities due to the phonon-spin coupling within the antiferromagnetic phase.…
Spin-orbit coupling inactivity of Co ion in geometrically frustrated magnet GeCoO
Keisuke Tomiyasu, Ayaka Tominaga, Shigeo Hara +5
We report single-crystal neutron diffraction studies on a spinel antiferromagnet GeCoO, which exhibits magnetic order with a trigonal propagation vector and tetragonal latt…
Electron correlation in FeSe superconductor studied by bulk-sensitive photoemission spectroscopy
A. Yamasaki, Y. Matsui, S. Imada +18
We have investigated the electronic structures of recently discovered superconductor FeSe by soft-x-ray and hard-x-ray photoemission spectroscopy with high bulk sensitivity. The la…
Itinerancy and Electron Correlation in FeSe 1-x Superconductor Studied by Bulk-Sensitive Photoemission Spectroscopy
A. Yamasaki, S. Imada, K. Takase +9
We have investigated the electronic structures of newly discovered superconductor FeSe1-x by bulk-sensitive photoemission spectroscopy (PES). The large Fe 3d spectral weight is loc…
Jahn-Teller Inactivity and Magnetic Frustration in GeCoO Probed by Ultrasound Velocity Measurements
Tadataka Watanabe, Shigeo Hara, Shin-Ichi Ikeda
Ultrasound velocity measurements of cubic spinel GeCoO in single crystal were performed for the investigation of shear and compression moduli. The shear moduli in the param…