Study of the influence of hole concentration on high-Tc superconductivity of cuprates Bi-2212 by X-ray photoelectron spectroscopy

被引:13
作者
Hien, TD [1 ]
Man, NK
Garg, KB
机构
[1] ITIMS, Hanoi, Vietnam
[2] Univ Rajasthan, Condensed Matter Phys Lab, Jaipur, Rajasthan, India
关键词
high-T-c; superconducting; XPS; Bi-2212; hole-concentration; superconductivity; 3d-doping;
D O I
10.1016/S0304-8853(03)00087-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, we report the observation of X-ray photoelectron spectra (XPS), which were obtained from high-T-c superconducting compounds Bi-2212 with some percentage of 3d elements (Fe, Co, and Ni) substituted for copper. The changes in characteristics of XPS spectra Sr 3d and Cu 2P(3/2) with the doping content were explained in the relation to the hole concentration on CuO2 planes, which resulted in high-T-c superconductivity. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:508 / 513
页数:6
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