Understanding electronic structure of Bi(Pb)-Sr-Ca-Cu-O compounds by XANES

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Title:	Understanding electronic structure of Bi(Pb)-Sr-Ca-Cu-O compounds by XANES
Authors:	Asokan, Kandasami;Jan, J. C.;Chiou, J. W.;Tsai, H. M.;彭維鋒;Pong, Way-Faung;Yang, C. L.;錢凡之;Chien, F. Z.
Contributors:	淡江大學物理學系
Keywords:	Cuprates;Superconductivity;XANES
Date:	2001-03
Issue Date:	2009-12-31 10:27:00 (UTC+8)
Publisher:	Amsterdam: Elsevier BV
Abstract:	We report X-ray absorption near edge structure (XANES) of Cu and O K-edges of superconducting [Bi(Pb)]2Sr2CaCu2O8+δ (Bi-2212) and [Bi(Pb)]2Sr2Ca2Cu3O10+δ (Bi-2223) compounds. The spectral features of these two systems are compared based on existing assignments available in the literature. Spectroscopically, the intensity of Cu 1s→3dx2−y2 from Cu K-edge spectra is different in these cuprates and the pre-edge peaks of O K-edges are better resolved in Bi-2223 attributed to arise from Cu–O, and metallic Bi–O layers.
Relation:	Journal of Electron Spectroscopy and Related Phenomena 114-116, pp.837-840
DOI:	10.1016/S0368-2048(00)00398-4
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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