Systematic cluster-based modelling of the phases in the stability region of decagonal Al-Co-Ni

被引：17
|
作者：
Deloudi, S. [1 ]
Steurer, W. [1 ]
机构：
[1] ETH, Dept Mat, Crystallog Lab, CH-8093 Zurich, Switzerland
来源：
PHILOSOPHICAL MAGAZINE | 2007年 / 87卷 / 18-21期
关键词：
D O I：
10.1080/14786430701361412
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Systematic cluster-based structural modelling of decagonal Al-Co-Ni is performed, based on a fundamental Al-Co cluster with 20 angstrom diameter, (102) over barm symmetry and 8 angstrom periodicity. This cluster is the building unit of tau(2)-Al13Co4, from which, via minor changes, the structures of the W-approximant, the basic Co-rich phase, the superstructures of type I, II, and S1, and the basic Ni-rich phase are derived. Good agreement with available experimental data based on X-ray-diffraction is achieved.
引用
收藏
页码：2727 / 2732
页数：6
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