Zinc diffusion in YBa2Cu3O7−x ceramics

被引：0
作者：
G. S. Kulikov
R. Sh. Malkovich
E. A. Skoryatina
V. P. Usacheva
机构：
[1] Russian Academy of Sciences,Ioffe Physicotechnical Institute
来源：
Technical Physics Letters | 2002年 / 28卷
关键词：
Zinc; Porosity; Diffusion Coefficient; Temperature Interval; Radioactive Tracer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The process of zinc diffusion in YBa2Cu3O7−x ceramics with a porosity of 20–30% was studied in the temperature interval from 110 to 450°C using a 65Zn radioactive tracer. The temperature dependence of the tracer diffusion coefficient is described by the relation D=5×10−9 exp(−0.25 eV/kT) cm2/s. It is concluded that zinc migrates predominantly via pores and intergranular layers in the ceramics.
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页码：427 / 429
页数：2
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