MECHANISM FOR ELECTRIC-FIELD EFFECTS OBSERVED IN YBA2CU3O7-X FILMS

被引：51

作者：

CHANDRASEKHAR, N ^{[1
]}

VALLS, OT ^{[1
]}

GOLDMAN, AM ^{[1
]}

机构：

[1] UNIV MINNESOTA,SCH PHYS & ASTRON,MINNEAPOLIS,MN 55455

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.71.1079

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The chain oxygen dynamics of YBa2Cu3O7-x have been investigated using a Monte Carlo simulation of the asymmetric next-nearest-neighbor Ising model for the oxygen atoms in the basal plane. The effect of an electric field is to change the basal plane coordination of Cu ions, resulting in a change in the carrier doping of the CuO2 Planes. The ratio of magnitudes of the changes in the doping under potentials of +10 V and -10 V is in good agreement in magnitude and sign with that observed in field effect experiments, as are also the time constants for the resistance changes.

引用

页码：1079 / 1082

页数：4

共 31 条

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