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Akao, Tadahiro*; Azuma, Yusuke; Usuda, Manabu; Nishihata, Yasuo; Mizuki, Junichiro; Hamada, Noriaki*; Hayashi, Naoaki*; Terashima, Takahito*; Takano, Mikio*
Physical Review Letters, 91(15), p.156405_1 - 156405_4, 2003/10
Times Cited Count:34 Percentile:79.55(Physics, Multidisciplinary)X-ray anomalous diffraction, together with a band structure calculation, was employed to obtain a quantitative comprehension of the charge-ordering state in a single-crystalline CaFeO thin film. The experimental results show a characteristic energy dispersion of the near inhibited reflection at 150, implying Fe atoms split into two distinct states. The energy dispersion is in good agreement with the calculated spectrum based on LDA+U scheme. The calculation reveals an electronic configuration of the Fe 3d orbital follows a localization in the oxygen orbital surrounds one of the distinct Fe atoms.
Mizuki, Junichiro
Bussei Kenkyu, 79(3), p.481 - 490, 2002/12
The content of the text is focused on a use of resonant effect of X-rays from Synchrotron Radiation. The resonant effect of X-rays is one of the advantages of Synchrotron radiation to be used for structural studies on condenced matters. We will show some recent studies employed with this effect.