Asymmetric local displacements in the Bi2Sr2CaCu2O8+β superconductor

被引：0
|
作者：
N.L. Saini
A. Lanzara
A. Bianconi
H. Oyanagi
机构：
[1] Unita' INFM and Dipartimento di Fisica,
[2] Università di Roma “La Sapienza",undefined
[3] P.A. Moro 2,undefined
[4] 00185 Roma,undefined
[5] Italy,undefined
[6] Electrotechnical Laboratory,undefined
[7] Umezono,undefined
[8] Tsukuba,undefined
[9] Ibaraki 305 Tsukuba,undefined
[10] Japan,undefined
来源：
The European Physical Journal B - Condensed Matter and Complex Systems | 2000年 / 18卷
关键词：
PACS. 74.72.Hs Bi-based cuprates - 61.10.Ht X-ray absorption spectroscopy: EXAFS, NEXAFS, XANES, etc. - 74.80.-g Spatially inhomogeneous structures;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Instantaneous in-plane Cu-O bond distribution in the Bi2Sr2CaCu2O8+β (Bi2212) superconductor has been investigated by high k-resolution Cu K-edge extended X-ray absorption fine structure (EXAFS) measured with polarized vector parallel to the two orthogonal Cu-O-Cu bonds of the CuO2 square plane. The results show an anisotropic Cu-O distribution in the two directions and provide further information on the local atomic displacements in the lattice-charge stripes.
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页码：257 / 261
页数：4
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