MONOCLINIC AL13FE4 APPROXIMANT PHASE - A LINK BETWEEN ICOSAHEDRAL AND DECAGONAL PHASES

被引：40

作者：

BARBIER, JN ^{[1
]}

TAMURA, N ^{[1
]}

VERGERGAUGRY, JL ^{[1
]}

机构：

[1] INPG,ENSEEG,LTPCM,CNRS,UA 29,BP75,DOMAINE UNIV,F-38402 ST MARTIN DHERES,FRANCE

来源：

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

关键词：

D O I：

10.1016/0022-3093(93)90328-U

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：

It is shown that the approximant monoclinic crystal Al13Fe4, known as a (C5) decagonal-approximant crystal for d-AlFe, is also a valuable approximant for the icosahedral quasicrystalline phase i-AlFeCu. The icosahedral local order, in a half-plane around Fe(5) sites, is similar, up to the sixth neighbor, to the one around the origin or around the body center site (empty sites) in the cubic (Pm3BAR) alpha-AlMnSi phase, with a greater chemical disorder and a stronger tendency to geometric frustration as indicated by more empty sites in the icosahedral shells. This similarity gives some information about possible icosahedral local order in the quasicrystalline phase i-AlFeCu, and the possible atomic surfaces in a 6D Euclidean hyperspace approach.

引用

页码：126 / 131

页数：6

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