Evaluation of YBa2Cu3O7-δ thin films ablated from melt-textured-growth YBa2Cu3O7-δ target by electron microscopy

被引：2
|
作者：
Wang, TS
Peng, W
Hu, WF
Xiong, JW
Zheng, DN
Zhou, YQ
Li, L [1 ]
Tian, YJ
Zhao, ZX
机构：
[1] Chinese Acad Sci, Natl Lab Superconduct, Inst Phys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
[3] Yanshan Univ, Dept Mat Sci & Engn, Qinhuangdao 066004, Peoples R China
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2002年 / 35卷 / 17期
关键词：
D O I：
10.1088/0022-3727/35/17/314
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
YBa2Cu3O7-delta (YBCO) thin films ablated from melt-textured-growth (MTG) YBCO target (containing-Y211 phases) by pulsed laser deposition were studied by transmission electron microscopy. The films grow epitaxially on the SrTiO3 substrates in a c-axis orientation with very few large particles on the film surface: instead rectangular Y2O3 inclusions were embedded in the films. The crystallographic relationship was (100)Y2O3//(001)YBCO, [011]Y2O3//[010]YBCO. The inclusions do not degrade the superconducting property of the YBCO films. MTG YBCO targets result in films with lower level of large impurity particles.
引用
收藏
页码：2180 / 2182
页数：3
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