TEMPERATURE BEHAVIOR OF THE OUT-OF-PLANE RESISTIVITY IN SINGLE-CRYSTAL YBA2CU3O7-DELTA

被引：18

作者：

LIU, M

XING, DY

机构：

[1] SOUTHEAST UNIV,DEPT PHYS,NANJING 210018,PEOPLES R CHINA

[2] UNIV HOUSTON,TEXAS CTR SUPERCONDUCT,HOUSTON,TX 77204

[3] NANJING UNIV,DEPT PHYS,NANJING 210008,PEOPLES R CHINA

来源：

PHYSICAL REVIEW B | 1994年 / 49卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.49.682

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Analysis of anisotropic transport data of YBa2Cu3O7-delta shows that the out-of-plane resistivity rho(c) changes from nonmetallic to metallic following a reduction in rho(c). The metallic p, arises from a conventional relaxation mechanism within the framework of the band theory, while the nonmetallic rho(c) is dominated by hopping conduction. Whether the Mott-Ioffe-Regel rule is satisfied by the out-of-plane transport draws a distinction between relaxation transport and hopping conduction. The results can account for experimental data observed on single-crystal YBa2Cu3O7-delta as well as other high-T(c) copper oxides.

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页码：682 / 685

页数：4

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