STRUCTURAL TRANSITION IN EPITAXIAL CO-CR SUPERLATTICES

被引:36
|
作者
VAVRA, W [1 ]
BARLETT, D [1 ]
ELAGOZ, S [1 ]
UHER, C [1 ]
CLARKE, R [1 ]
机构
[1] UNIV MICHIGAN,APPL PHYS PROGRAM,ANN ARBOR,MI 48109
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 09期
关键词
D O I
10.1103/PhysRevB.47.5500
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Using a real-time reflection high-energy electron diffraction analysis technique, we show that the epitaxial growth of Co-Cr superlattices incorporates coherent close-packed Cr layers up to a thickness of 6 angstrom. Beyond this thickness there is an abrupt structural transition to bcc (110) Cr in the classic Nishiyama-Wasserman and Kurdjumov-Sachs orientations. Magnetization and magnetoresistance results indicate that interlayer coupling is very weak, which we attribute to the altered crystal structure in the Cr layers.
引用
收藏
页码:5500 / 5503
页数:4
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