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.
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页码：1350 / 1353
页数：4
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