DYNAMIC PROPERTIES OF THE ALPDMN ICOSAHEDRAL PHASE

被引：11

作者：

DEBOISSIEU, M

BOUDARD, M

MOUDDEN, H

QUILICHINI, M

BELLISSENT, R

HENNION, B

CURRAT, R

GOLDMAN, A

JANOT, C

机构：

[1] ILL GRENOBLE,F-38042 GRENOBLE 9,FRANCE

[2] LAB CRISTALLOG GRENOBLE,CNRS,F-38042 GRENOBLE,FRANCE

[3] IOWA STATE UNIV SCI & TECHNOL,AMES LAB,AMES,IA 50011

[4] IOWA STATE UNIV SCI & TECHNOL,USDOE,AMES,IA 50011

[5] CENS,LLB,F-91190 GIF SUR YVETTE,FRANCE

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1993年 / 153卷

关键词：

D O I：

10.1016/0022-3093(93)90413-R

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A centimetre-sized single grain of the perfect AlPdMn icosahedral phase can be grown by slow cooling from the liquid. This phase has been shown to have perfect icosahedral symmetry, i.e. without any frozen phason strain. The dynamical properties of this icosahedral phase have been studied by mean of inelastic measurements on triple axis spectrometers. The dispersion relations around several Bragg reflections were measured. Pseudo-zone boundaries can be defined, similarly to those previously obtained in the AlLiCu phase. A dispersionless optic mode was identified around 4 THz.

引用

页码：552 / 556

页数：5

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