SYSTEMATIC DEVIATION FROM T-LINEAR BEHAVIOR IN THE INPLANE RESISTIVITY OF YBA2CU3O7-Y - EVIDENCE FOR DOMINANT SPIN SCATTERING

被引：569

作者：

ITO, T

TAKENAKA, K

UCHIDA, S

机构：

[1] Department of Applied Physics, University of Tokyo, Bunkyo-ku

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.70.3995

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The in-plane resistivity rho(ab) (T) and Hall coefficient R(H) (T) have been measured for YBa2Cu3O7-y single crystals with various oxygen concentrations. We find that for oxygen-depleted samples rho(ab)(T) deviates from T-linear behavior and that R(H)(T) deviates from 1/T below a temperature T(o) well above T(c). The deviation coincides with the development of a gap in the spin excitations seen in recent neutron and NMR studies. This is evidence that the charge transport in the CuO2 plane is determined by spin scattering.

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页码：3995 / 3998

页数：4

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