Surface oxygen and electrical resistance of YBa2Cu4O8

被引：0
|
作者：
Saito, S [1 ]
Ishihara, M [1 ]
Tani, T [1 ]
Maeda, T [1 ]
Watanabe, N [1 ]
Rittaporn, I [1 ]
Koshizuka, N [1 ]
机构：
[1] INT SUPERCONDUCT TECHNOL CTR, SUPERCONDUCT RES LAB, KOTO KU, TOKYO 135, JAPAN
来源：
APPLIED SURFACE SCIENCE | 1996年 / 100卷
关键词：
D O I：
10.1016/0169-4332(96)00300-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The relationship between the intensity of the oxygen spectra from secondary ion mass spectroscopy (SIMS) and the electrical resistance in bulk was investigated for YBa2Cu4O8 in comparison with Bi2Sr2CaCu2O8. In spite of the change in the intensity of the oxygen spectra, the electrical resistance in bulk was almost constant up to the annealing process at similar to 300 degrees C. The change in the work function of YBa2Cu4O8 was also measured in order to characterize the surface electronic state. Superconductivity both at the surface and in bulk is discussed.
引用
收藏
页码：260 / 263
页数：4
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