NQR Investigations of High-T(c) Superconducting Oxides

被引：1
|
作者：
Matukhin, V. L. [1 ]
Anashkin, V. N. [1 ]
Pogoreltsev, A. I. [1 ]
Safin, I. A. [1 ]
机构：
[1] Russian Acad Sci, Kazan Phys Tech Inst, Kazan 420029, Russia
来源：
APPLIED MAGNETIC RESONANCE | 1992年 / 3卷 / 3-4期
关键词：
D O I：
10.1007/BF03166291
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Nuclear quadrupole resonance (NQR) of (63)Cu has been performed to study the electronic and magnetic properties of YBa(2)Cu(3)O(6.1) ceramics, treated in iodine or bromine vapours. An analysis of the NQR shows undistorted CuO(2) planes and the absence of an increase of the oxygen content in chains of Cu(1)-O in halogen treated Y-Ba-Cu-O ceramics. (139)La NQR spin-lattice relaxation measurements in powdered La(2-x)CuO(4-y) compounds are also reported. The present results indicate that the (139)La nuclear relaxation is dominated by the Cu(++)-Cu(++) magnetic correlations.
引用
收藏
页码：711 / 728
页数：18
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