NMR evidence for spatial modulations in the cuprates

被引：29

作者：

Haase, J

Slichter, CP

Stern, R

Milling, CT

Hinks, DG

机构：

[1] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[2] Univ Illinois, Mat Res Lab, Urbana, IL 61801 USA

[3] Univ Stuttgart, Inst Phys 2, D-70569 Stuttgart, Germany

[4] Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA

来源：

JOURNAL OF SUPERCONDUCTIVITY | 2000年 / 13卷 / 05期

关键词：

nuclear magnetic resonance; spatial modulations; cuprates;

D O I：

10.1023/A:1007853912812

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nuclear magnetic resonance (NMR) data on Cu, apical and planar O in La1.85Sr0.15CuO4 are presented. Spin echo double resonance shows that the large Cu magnetic shift distribution is of short-length scale. Analysis of the O data reveals static modulations of the spin susceptibility with a spin-spin correlation function near zero. The Cu shift distribution is found to be of orbital origin. The full planar oxygen spectra show a correlated modulation of the electric field gradient with the spin susceptibility. Similar results on other cuprates indicate universality of these phenomena.

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页码：723 / 726

页数：4

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