YBA2CU3O7-X THIN-FILM PREPARED BY LASER ABLATION

被引：14
作者：
NAGAISHI, T
ITOZAKI, H
TANAKA, S
MATSUURA, T
OTA, N
FUJIMORI, N
YAZU, S
机构：
[1] Itami Research Laboratories, Sumitomo Electric Industries, Ltd
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1991年 / 30卷 / 4B期
关键词：
YBA2CU3O7-X THIN FILM; EXCIMER LASER; LASER ABLATION; HIGH CRITICAL CURRENT DENSITY; PINNING SITE;
D O I：
10.1143/JJAP.30.L718
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
High critical current density YBa2Cu3O7-x thin films on (100)SrTiO3 were successfully prepared by laser ablation. The zero resistance transition temperature (T(c)(R = 0)) was 90.5 K and the critical current density (J(c)) at 77.3 K was 8.0 x 10(6) A/cm2 under a zero magnetic field. J(c) degraded to 1.7 x 10(4) A/cm2 in a magnetic field of 8 T parallel to the c-axis of the film, and to 4.0 x 10(5) A/cm2 in a magnetic field of 8 T perpendicular to the c-axis of the film. The characteristics of the film, mis-oriented crystallites and stacking faults, were revealed by transmission electron microscopy (TEM).
引用
收藏
页码：L718 / L721
页数：4
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