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

页码：5500 / 5503

页数：4

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