ORIGIN OF ZERO-BIAS CONDUCTANCE PEAKS IN HIGH-T-C SUPERCONDUCTORS

被引：378

作者：

KASHIWAYA, S ^{[1
]}

TANAKA, Y

KOYANAGI, M

TAKASHIMA, H

KAJIMURA, K

机构：

[1] ELECTROTECH LAB, 1-1-4 UMEZONO, TSUKUBA, IBARAKI 305, JAPAN

[2] NIIGATA UNIV, DEPT PHYS, NIIGATA 95021, JAPAN

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.51.1350

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A wide variety of experimental conductance spectra in high-Tc superconductors can be explained by a theory of proximity-electron-tunneling spectroscopy (PETS) for d-wave superconductors. From a solution of the Bogoliubov-de Gennes equation, the conductance spectra of the PETS are proved to show gap or zero-bias peak structures depending on the axis orientation of the superconductor. The features of the calculated spectra are consistent with the experimental results of YBa2Cu3O7-δ observed by low-temperature scanning tunneling spectroscopy. © 1995 The American Physical Society.

引用

页码：1350 / 1353

页数：4

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