Vapor-phase growth mechanism of the Bi-based 2212 superconducting whiskers

被引：5
|
作者：
Jin, H
Liu, QM
机构：
[1] ACAD SINICA,INST MET RES,SHENYANG 110015,PEOPLES R CHINA
[2] UNIV SCI & TECHNOL CHINA,DEPT PHYS,HEFEI 230026,PEOPLES R CHINA
来源：
JOURNAL OF CRYSTAL GROWTH | 1997年 / 181卷 / 04期
关键词：
D O I：
10.1016/S0022-0248(97)00398-9
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Bi2Sr2CaCu2O8 (2212) superconducting whiskers can be grown out from an annealed melt-quenched precursor plate in an atmosphere of flowing oxygen. It was found that other than the appropriate annealing temperature and time, glass precursor, flowing oxygen atmosphere and temperature gradient in the furnace are vital factors. The relaxation of internal strain in the melt-quenched precursor provides the driving force for the whisker growth. Flowing oxygen atmosphere and temperature gradient both play the role of mass transport and accelerate the whisker growth rate.
引用
收藏
页码：446 / 451
页数：6
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