MICROSTRUCTURE OF OUTGROWTHS ON THE SURFACE OF LASER-ABLATED YBA2CU3O7 THIN-FILMS

被引：16
|
作者：
GUO, LP
TIAN, YJ
LIU, JZ
LI, L
ZHAO, ZX
XU, SF
LU, HB
ZHOU, YL
CHEN, ZH
YANG, GZ
机构：
[1] CHINESE ACAD SCI,INST PHYS,MNATL LAB SUPERCONDUCT,BEIJING 100080,PEOPLES R CHINA
[2] CHINESE ACAD SCI,INST PHYS,BEIJING 100080,PEOPLES R CHINA
来源：
PHYSICA C | 1995年 / 241卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(94)02330-1
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The microstructure of the outgrowths on the surface of pulsed laser ablated YBa2Cu3O7 (YBCO) thin films deposited on (100) Y stabilized zirconia substrates was studied by transmission electron microscopy. The outgrowths consist of misaligned superconducting c-axis YBCO grains and a-axis YBCO grains, non-superconducting CuO, Ba2CuO3, BaCuO2, CuYO2 and Y2BaCuO5 grains about 0.1-5 mum in size. The Y-123 type outgrowths are block-shaped misaligned with the YBCO matrix. The non-superconducting grains mostly are semi-spherical in shape and have a certain crystallographic relation with the YBCO matrix. The protruding heights of the outgrowths on the surface of the film are about 50-450 nm.
引用
收藏
页码：30 / 36
页数：7
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