Temperature Dependent Electronic Structure Study of CaCu 3 Ti 4 O 12 by means of X-ray Raman Scattering

Kenjiro Nishiyama*, Seiya Nakamoto, Hojun Im, Takao Watanabe, Shunsuke Nozawa, Nobuo Nakajima Toshiaki Iwazumi, and Yasuhisa Tezuka** Grad. Sch. of Sci. and Tech., Hirosaki Univ., Hirosaki, Aomori 036-8561, Japan 2 Photon Factory, Inst. of Mats. Struct. Sci., Tsukuba, Ibaraki 305-0801, Japan Grad. Sch. of Sci., Hiroshima Univ., Higashi-Hiroshima, Hiroshima 739-8526, Japan Grad. Sch. of Eng., Osaka Pref. Univ., Sakai, Osaka 599-8531, Japan