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    題名: X-ray absorption spectroscopy studies of Ba1-xCaxTiO3
    作者: Asokan, K.;Jan, J. C.;Chiou, J. W.;彭維鋒;Pong, W. F.;鄭伯昆;Tseng, P. K.;林諭男;Lin, I. N.
    貢獻者: 淡江大學物理學系
    關鍵詞: XANES;Titanates;Perovskites
    日期: 2001-03-01
    上傳時間: 2009-12-31 10:33:29 (UTC+8)
    出版者: Malden: Wiley-Blackwell Publishing, Inc.
    摘要: We report x-ray absorption near edge spectroscopy (XANES) of Ca and O K-edges of Ba1-xCaxTiO3 (x = 0, 0.01, 0.08, 1) and understand the spectral features related to the electronic structure of these perovskites. The XANES spectra of Ca K-edge possess a pre-edge peak similar to other 3d transition metals like Ti, Ni when present in perovskite structure and provides information about p-type or hole
    doping. Presence of considerable amount of 3d states justifies the reason to consider it as a light 3d transition metal. The O K-edge spectra display characteristic spectral features assigned as eg and t2g and show strong dependence on concentration.
    關聯: Journal of synchrotron radiation 8(2), pp.839-841
    DOI: 10.1107/S0909049501002084
    顯示於類別:[物理學系暨研究所] 期刊論文

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