GROWTH-MECHANISM OF YBA2CU3O7-DELTA THIN-FILMS ON VICINAL MGO

被引：26

作者：

NORTON, MG ^{[1
]}

MOECKLY, BH ^{[1
]}

CARTER, CB ^{[1
]}

BUHRMAN, RA ^{[1
]}

机构：

[1] CORNELL UNIV,SCH APPL & ENGN PHYS,ITHACA,NY 14853

来源：

JOURNAL OF CRYSTAL GROWTH | 1991年 / 114卷 / 1-2期

关键词：

D O I：

10.1016/0022-0248(91)90700-F

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

YBa2Cu3O7-delta thin films have been grown on vicinal MgO substrates by pulsed-laser ablation. The substrate topography has been shown to affect the microstructure of the film. The step edges act as preferential sites for island nucleation, controlling the in-plane alignment of the islands. The resulting microstructure consists of c-axis oriented grains which have a large aspect ratio. The formation of a well-defined substrate surface enables the growth of highly oriented YBa2Cu3O7-delta films, on a substrate where there is a large lattice mismatch. The films have been characterized by both X-ray diffraction techniques and transmission electron microscopy.

引用

页码：258 / 263

页数：6

共 18 条

[1]

American Heritage Dictionary, 1985, AM HERITAGE DICT

[2] THE GROWTH OF SPINEL INTO AL2O3 [J].