Time effect of annealing on Bi2Sr2CaCu2Oy single crystals

被引：3
|
作者：
Zhu, JS
Sun, XF
Wu, WB
Wang, LB
Zhao, XR
Zhou, GE
Li, XG
Zhang, YH
机构：
[1] Structure Research Laboratory, Univ. of Sci. and Technol. of China, Academia Sinica
来源：
PHYSICA C | 1996年 / 256卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/0921-4534(95)00689-3
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Highly-oriented as-grown Bi2Sr2CaCu2Oy single crystals have been air-annealed at 500 or 750 degrees C for different times. The thermal treatments improved the superconductivity of the crystals relative to the as-grown T-c and Delta T-c distinctly in several minutes. The results have been explained by oxygen configuration and it is suggested that oxygen out-diffusion in the crystals is rather rapid at the beginning of the annealing.
引用
收藏
页码：331 / 334
页数：4
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