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Chemical trends of superconducting properties in pyrochlore oxides
Zenji Hiroi, Jun-Ichi Yamaura, Shigeki Yonezawa +1
Chemical trends of fundamental superconducting parameters and normal-state properties are described for a family of pyrochlore oxide superconductors. Particularly, the change of Tc…
Spin correlation in kagomé ice state: neutron scattering study of the dipolar spin ice Dy_{2}Ti_{2}O_{7} under magnetic field along [111]
Y. Tabata, H. Kadowaki, K. Matsuhira +4
We have investigated the kagomé ice state in the frustrated pyrochlore oxide Dy_{2}Ti_{2}O_{7} under magnetic field along a [111] axis. Spin correlations have been measured by neut…
Photoemission study of TiO2/VO2 interfaces
K. Maekawa, M. Takizawa, H. Wadati +7
We have measured photoemission spectra of two kinds of TiO-capped VO thin films, namely, that with rutile-type TiO (r-TiO/VO) and that with amorphous TiO (a…
NMR Observation of Rattling Phonons in the Pyrochlore Superconductor KOs2O6
M. Yoshida, K. Arai, R. Kaido +4
We report nuclear magnetic resonance studies on the beta-pyrochlore oxide superconductor KOs2O6. The nuclear relaxation at the K sites is entirely caused by fluctuations of electri…
Kagomé ice state in the dipolar spin ice Dy_{2}Ti_{2}O_{7}
Y. Tabata, H. Kadowaki, K. Matsuhira +4
We have investigated the kagomé ice behavior of the dipolar spin-ice compound Dy_{2}Ti_{2}O_{7} in magnetic field along a [111] direction using neutron scattering and Monte Carlo s…
Photoemission evidence for a Mott-Hubbard metal-insulator transition in VO
R. Eguchi, M. Taguchi, M. Matsunami +15
The temperature () dependent metal-insulator transition (MIT) in VO is investigated using bulk sensitive hard x-ray ( 8 keV) valence band, core level, and V 2 re…