INTERSECTIONS OF TWINS AND OF OPTICAL DOMAINS IN CRYSTALLINE YBA2CU3O7-DELTA

被引：16

作者：

TAYLOR, KNR

NOURUZIKHORASANI, A

INDRO, M

RUSSELL, GJ

DARBY, MI

FENG, Y

JONES, IP

SMALLMAN, RE

机构：

[1] UNIV SALFORD,DEPT PHYS,SALFORD M5 4WT,LANCS,ENGLAND

[2] UNIV BIRMINGHAM,SCH MET & MAT SCI,EDGBASTON B15 2TT,ENGLAND

来源：

JOURNAL OF CRYSTAL GROWTH | 1992年 / 119卷 / 3-4期

关键词：

D O I：

10.1016/0022-0248(92)90674-8

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A study of the optical domain and twin structure in single crystals of YBa2Cu3O7-delta has shown the presence of interesting features of the microstructure in regions where two sets of orthogonal twins intersect. The observed features are interpreted in terms of a simple model in which the resultant microstructure of the intersection region is related directly to the oxygen ordering, and hence to the orthorhombic strain in the individual optical domains. It is shown that the detailed structure might be anticipated on energetic grounds. Convergent beam electron diffraction (CBED) techniques have been used to establish the variations in structure in this area.

引用

页码：221 / 228

页数：8

共 15 条

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