M. Takizawa   Y. Hotta   T. Susaki   Y. Ishida   H. Wadati   Y. Takata   K. Horiba   M. Matsunami   S. Shin   M. Yabashi   K. Tamasaku   Y. Nishino   T. Ishikawa   A. Fujimori   H. Y. Hwang   
PHYSICAL REVIEW LETTERS 102(23) 2009年6月
We have studied the valence redistribution of V in LaAlO3/LaVO3/LaAlO3 trilayers, which are composed of only polar layers grown on SrTiO3 (001) substrates, by core-level photoemission spectroscopy. We have found that the V valence is intermediate ...