EVIDENCE FOR ATOMIC HOPPING OF FE IN PERFECTLY ICOSAHEDRAL ALFECU QUASI-CRYSTALS BY FE-57 MOSSBAUER-SPECTROSCOPY

被引：25
|
作者：
CODDENS, G
LYONNARD, S
SEPIOL, B
CALVAYRAC, Y
机构：
[1] UNIV VIENNA,INST FESTKORPERPHYS,A-1090 VIENNA,AUSTRIA
[2] CNRS,CTR ETUD CHIM MET,F-94407 VITRY,FRANCE
[3] UNIV INSTELLING ANTWERP,IIKW,NEUTRON SCATTERING PROJECT,B-2610 WILRIJK,BELGIUM
来源：
JOURNAL DE PHYSIQUE I | 1995年 / 5卷 / 07期
关键词：
D O I：
10.1051/jp1:1995167
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By Fe-57 Mossbauer spectroscopy in a special experimental set-up we have shown the existence of Fe atomic jumps in Al62Fe25.5Cu12.5 perfect icosahedral quasicrystals. The (preliminary) results indicate that at 790 degrees C 20% of the Fe atoms are jumping at a time scale corresponding to 4 mu eV.
引用
收藏
页码：771 / 776
页数：6
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