Optimization of phase formation and microstructure in Tl-1223 thick films

被引：0
|
作者：
Moore, JC [1 ]
Naylor, MJ [1 ]
Grovenor, CRM [1 ]
机构：
[1] Univ Oxford, Dept Mat, Oxford OX1 3PH, England
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1999年 / 9卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1109/77.784802
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Tl-1223 films have been fabricated using spray pyrolysis on silver and zirconia substrates. We have investigated the effect of a Tl-2212/TlF source powder and observed a significant increase in melting and, consequently, a reduction of around 20 degrees C in the optimum reaction temperature and increased grain growth. We have found that the effect of the fluorine is greatest in the presence of silver. We have also observed that films grown on polycrystalline silver tape have several preferred in-plane orientations.
引用
收藏
页码：1787 / 1790
页数：4
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