LATTICE MONOCLINIZATION OF YBA2CU3O7-X FILMS

被引：5

作者：

MARTOVITSKY, VP

RODIN, VV

机构：

[1] P.N. Lebedev Physical Institute, the USSR Academy of Sciences, 117924 Moscow, Leninsky Prospect

来源：

PHYSICA C | 1991年 / 182卷 / 4-6期

关键词：

D O I：

10.1016/0921-4534(91)90522-Z

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Epitaxial YBa2Cu3O7-x films grown on (001) SrTiO3 substrates or (001)r (in morphological rhombohedral notations) LiNbO3 substrates were investigated by X-ray diffractometry. It was established that in the case of small interface misfit between the film and the substrate, the film cell had a monoclinic deformation with the b-axis shifting by 0.3-0.5-degrees from an orthogonal angle. A misorientation of the (001) SrTiO3 growth surface several degrees in the [110] direction or using a pseudo cubic (001)r slice of LiNbO3 promoted the prevailing development of (110BAR) twin boundaries in these films.

引用

页码：269 / 276

页数：8

共 18 条

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