STABILIZATION OF THE HEXAGONAL CLOSE-PACKED PHASE OF COBALT AT HIGH-TEMPERATURE

被引:5
作者
BARRADAS, NP
WOLTERS, H
MELO, AA
SOARES, JC
DASILVA, MF
ROTS, M
LEAL, JL
MELO, LV
FREITAS, PP
机构
[1] INETI,P-2685 SACAVEM,PORTUGAL
[2] KATHOLIEKE UNIV LEUVEN,INST KERN STRALINGSFYS,B-3001 LOUVAIN,BELGIUM
[3] INESC,P-1000 LISBON,PORTUGAL
关键词
D O I
10.1063/1.358533
中图分类号
O59 [应用物理学];
学科分类号
摘要
The structure of thin cobalt films sputtered on a rhenium buffer was analyzed from room temperature to 963 K, using the perturbed angular correlation technique with the 111In/111Cd probe. The hyperfine field corresponding to the fcc phase, which is the stable one above 704 K, is never observed, and the measured hyperfine field follows closely a theoretical prediction for the hcp phase. This is a consequence of the good match between the cobalt and the Re hcp lattices that leads to the stabilization of the hcp phase up to 963 K.
引用
收藏
页码:6537 / 6539
页数:3
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