New methods for NMR of cuprate superconductors

被引：25

作者：

Haase, J

Curro, NJ

Stern, R

Slichter, CP

机构：

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

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

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.81.1489

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

New nuclear magnetic resonance (NMR) methods for the investigation of high temperature superconductors are reported which alleviate many of the problems NMR faces in such materials. The methods rely on combining population transfers between quadrupolar split Zeeman levels with ordinary NMR experiments. Spins labeled in this manner can be investigated selectively, e.g., allowing the differentiation between isotopes, crystallographic sites, and misaligned grains. Examples for Cu NMR on YBa2Cu4O8 and La1.85Sr0.15CuO4 are reported. The methods will also be applicable to other areas of solid state NMR.

引用

页码：1489 / 1492

页数：4

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