Evidence for the constancy of U in the Mott transition of V2O3 (2009)
Fujiwara, H., Sekiyama, A., Allen, J. W., Yamaguchi, J., Funabashi, G., ...
We have performed high-resolution hard X-ray photoemission spectroscopy (HAXPES) for the Mott-Hubbard system (V(1-x)Cr(x))2O3 in the paramagnetic metal (PM), paramagnetic insulator (PI) and...
Yano, M., Sekiyama, A., Fujiwara, H., Amano, Y., Imada, S., Muro, T., ...
Soft and hard X-ray photoelectron spectroscopy (PES) has been performed for one of the heavy fermion system CeRu$_2$Si$_2$ and a $4f$-localized ferromagnet CeRu$_2$Ge$_2$ in the paramagnetic phase....
Metal-insulator transition in V6O13 probed by photoemission and optical studies (2005)
Irizawa, Akinori, Higashiya, A., Tsunekawa, M., Sekiyama, A., Imada, S., Suga, S., ...
Suga, S., Imada, S., Higashiya, A., Shigemoto, A., Kasai, S., Sing, M., ...
We report on the Cu 1s resonant inelastic X-ray scattering (RIXS) of Cu-O one-dimensional (1D) strongly correlated insulator systems with contrasting atomic arrangements, namely edge-sharing CuGeO3...
Sekiyama, A., Fujiwara, H., Higashiya, A., Imada, S., Kuwahara, H., Tokura, Y., ...
Unusual temperature and doping dependence of the Mn 3d spectral functions of manganese perovskites Nd1-xSrxMnO3 has been revealed by the high-resolution Mn 2p-3d resonance photoemission. The...
High-resolution Photoemission Study of Cd2Re2O7 (2002)
Irizawa, A., Higashiya, A., Kasai, S., Sasabayashi, T., Shigemoto, A., Sekiyama, A., ...
High-resolution bulk-sensitive photoemission has been measured for pyrochlore oxide Cd2Re2O7. Temperature variations of the spectral shapes between 20 and 250 K are obviously observed for the Re 4f...