PHASON-INDUCED TRANSFORMATIONS OF ICOSAHEDRAL AL-CU-FE

被引:40
作者
BANCEL, PA [1 ]
机构
[1] CTR ETUD CHIM MET,F-94407 VITRY,FRANCE
关键词
D O I
10.1080/09500839308240489
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Structural transformations resulting from phason instabilities in icosahedral Al-Cu-Fe have been studied by powder X-ray diffraction. Three approximant phases, the modulated icosahedral phase and a state with substantial phason disorder are located in the phase diagram. Diffraction scans of the transformations are modelled using a projection of a distorted cubic six-dimensional lattice.
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页码:43 / 49
页数:7
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