(100) METAL ALLOY-FILMS CONTAINING BODY-CENTERED CUBIC AND FACE-CENTERED CUBIC METALS - RELATION BETWEEN STRUCTURES AND LATTICE SPACINGS

被引:2
作者
CHANG, CA
机构
[1] IBM T. J. Watson Research Center, Yorktown Heights
关键词
D O I
10.1063/1.352188
中图分类号
O59 [应用物理学];
学科分类号
摘要
(100) oriented metal alloy films containing both body-centered cubic (bcc) and face-centered cubic (fcc) metals have been deposited on (100) Si using Pd/Cu seed layers. These include FeCo, FePt, FePd, FeCu, FeAu, FeAg, FeNi, VNi, and CrNi with different compositions. All the alloys show (200) spacings close to those of either the bec or fcc component metals. To compare with Vegard's rule, a correction factor of (1.5)1/2 is needed between the fcc and bcc lattices, with the fcc spacing being 22% larger. Twenty alloy spacings are compared, assuming that both the lattice structures and spacings of the alloy films are mainly determined by the component metals whose spacings are close to those of the alloys. Good agreements with the Vegard's rule are obtained for the thirteen (100) alloys with lattice spacings close to those of their respective bcc component metals, and for the seven (100) alloy films with lattice spacings close to their fcc component metals.
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页码:4463 / 4465
页数:3
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