CONDITIONS FOR THE TEXTURED GROWTH OF Y-BA-CU-O FILMS ON ZR FOILS

被引：1
|
作者：
MATTHEIS, F
KREBS, HU
机构：
[1] Institut für Metallphysik, Universität Göttingen, 3400 Göttingen
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1993年 / 195卷 / 1-2期
关键词：
D O I：
10.1016/0925-8388(93)90738-9
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：
Y1Ba2Cu3Oy films were grown in situ on oxidized Zr foils by pulsed laser ablation. The substrate temperature and the oxygen partial pressure were varied from 500-degrees-C to 800-degrees-C and between 0.01 mbar and 1 mbar, respectively, in order to determine the optimum conditions for a c-textured growth. Particular attention was paid to the special features of metallic substrates as oxidation, surface roughness, and rolling texture. X-ray diffraction experiments and resistance measurements were performed in order to study the texture and the superconducting properties of the films. For a substrate temperature of 750-degrees-C and an oxygen partial pressure of 0.3 mbar a superconducting transition temperature of 89 K (midpoint) was obtained.
引用
收藏
页码：275 / 278
页数：4
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