SCANNING TUNNELING SPECTROSCOPY ON HIGH T-C SUPERCONDUCTORS

被引：2

作者：

HASEGAWA, T ^{[1
]}

NANTOH, M ^{[1
]}

HEIKE, S ^{[1
]}

TAKAGI, A ^{[1
]}

IKUTA, H ^{[1
]}

KITAZAWA, K ^{[1
]}

KAWASAKI, M ^{[1
]}

KOINUMA, H ^{[1
]}

机构：

[1] TOKYO INST TECHNOL,ENGN MAT RES LAB,YOKOHAMA,KANAGAWA 227,JAPAN

来源：

PHYSICA SCRIPTA | 1993年 / T49A卷

关键词：

D O I：

10.1088/0031-8949/1993/T49A/035

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Atomic site tunneling spectroscopy has been applied to bulk single crystals of BSCCO and laser-ablated thin films of YBCO. The tunneling spectrum on the cleaved surface of BSCCO showed both semiconducting and superconducting behaviors, depending on the tip-sample distance. This observation is consistent with the quasi two-dimensional layered model. In both systems, clear superconducting gap structures with quite low zero bias conductances were observed, suggesting the s-wave like symmetry of the order parameter.

引用

页码：215 / 218

页数：4

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