Impurity effect on spin correlations in lightly doped La2-xSrxCuO4

被引：1

作者：

Matsuda, M. ^{[1
]}

Hiraka, H. ^{[2
]}

Fujita, M. ^{[2
]}

Ohta, S. ^{[2
]}

Wakimoto, S. ^{[1
]}

Yamada, K. ^{[2
]}

机构：

[1] Japan Atom Energy Agcy, Quantum Beam Sci Directorate, Tokai, Ibaraki 3191195, Japan

[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2008年 / 69卷 / 12期

基金：

日本学术振兴会;

关键词：

Superconductors; Neutron scattering; Magnetic properties;

D O I：

10.1016/j.jpcs.2008.06.095

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A review is given of the impurity effect on the static spin correlations in lightly doped La2-xSrxCuO4 studied by the neutron scattering technique. Zn doping reduces the incommensurability just slightly. On the other hand, Ni doping quickly reduces the incommensurability and restores Neel ordering, indicating a strong effect on hole localization. This suggests that Ni is doped as Ni3+ or that doped Ni2+ and hole form a strongly bound state with the Zhang-Rice character. it was found that this behavior is universal in a wide range of hole concentration in La2-xSrxCuO4 (0.01 <= x <= 0.07). (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：3181 / 3183

页数：3

共 15 条

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