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
收藏
页码：3181 / 3183
页数：3
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