NMR, NEUTRON-SCATTERING, AND THE ONE-BAND MODEL OF LA2-XSRXCUO4

被引：92

作者：

WALSTEDT, RE

SHASTRY, BS

CHEONG, SW

机构：

[1] AT and T Bell Laboratories, Murray Hill, NJ 07974

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.72.3610

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

NMR data on O-17 and Cu-63 in La1.85Sr0.15CuO4 are presented and agree well with published work. Relaxation curves for Cu-63 and for both apical and planar O-17 sites are compared with calculations based on parametrization of recent absolute neutron susceptibilities chi''(q,omega). A reasonable accord is found with the Cu-63 data. However, a significant discrepancy with the observed planar O-17 relaxation behavior poses an apparent contradiction with the widely accepted one-band dynamical model for this system.

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页码：3610 / 3613

页数：4

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