FABRICATION BY LPE AND CHARACTERIZATION OF YBa2Cu3O7-delta THIN FILMS ON NdGaO3 SUBSTRATES

被引:11
作者
Barilo, S. N. [1 ]
Bychkov, G. I. [1 ]
Zubets, A. V. [1 ]
Orlova, N. S. [1 ]
Gatalskaya, V. I. [1 ]
Zhigunov, D. I. [1 ]
Kurnevich, L. A. [1 ]
Olekhnovich, N. M. [1 ]
Pushkarev, A. V. [1 ]
机构
[1] Byelarussian Acad Sci, Inst Phys Solids & Semicond, P Brovka 17, Minsk 220072, BELARUS
关键词
7;
D O I
10.1109/77.233887
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
The superconducting c-axis oriented YBa2Cu3O7-delta as well as bilayer films of PrBa2Cu3O7-delta/YBa2Cu3O7-delta have been prepared by the LPE technique on (001) NdGaO3 substrates.The film thickness varied from 1 to 100 mu m depending on the growth time. A high quality of epitaxy has been confirmed by several methods of X-ray diffraction analyses.The as-grown films, after annealing in an oxygen plasma for a few hours, have a T-c of 93 K and a Delta T-c about 0.4 K. The magnetic measurements show high critical current density of the prepared films: J(c)= 10(6) A/cm(2) with H vertical bar C and J(c) = 10(8)A/cm(2) with HIC at T = 4.2 K.
引用
收藏
页码:1074 / 1077
页数:4
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