Twinning of YBa2Cu3O7 thin films on different substrates

被引：17

作者：

Schweitzer, D

Bollmeier, T

Stritzker, B

Rauschenbach, B

机构：

[1] Institut für Physik, Universität Augsburg

来源：

THIN SOLID FILMS | 1996年 / 280卷 / 1-2期

关键词：

epitaxy; laser ablation; structural properties; X-ray diffraction;

D O I：

10.1016/0040-6090(95)08210-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The twinning of YBa2Cu3O7 (YBCO) thin films with c-axis orientation on (001) MgO, (001) SrTiO3, (012) LaAlO3, (110) NdGaO3 and (001) NdGaO3 substrates, prepared by laser ablation, has been examined using a combination of phi and theta/2 theta scans at a four-circle diffractometer. On all substrates, except for (001) NdGaO3, the tetragonal to orthorhombal phase transition results in four different orientations of YBCO twins relating to the substrate. On (001) NdGaO3 only two different twin orientations, accompanied by a slight lattice monoclinization, has been observed.

引用

页码：147 / 151

页数：5

共 12 条

[1] CALCULATED X-RAY-POWDER DIFFRACTION PATTERNS AND THEORETICAL DENSITIES FOR PHASES ENCOUNTERED IN INVESTIGATIONS OF Y-BA-CU-O SUPERCONDUCTORS [J].