Icosahedral clusters, icosaheral order and stability of quasicrystals - A view of metallurgy

An Pang Tsai

doi:10.1088/1468-6996/9/1/013008

Icosahedral clusters, icosaheral order and stability of quasicrystals - A view of metallurgy

An Pang Tsai

Research output: Contribution to journal › Article › peer-review

92 Citations (Scopus)

Abstract

We review the stability of various icosahedral quasicrystals (iQc) from a metallurgical viewpoint. The stability of stable iQcs is well interpreted in terms of Hume-Rothery rules, i.e. atomic size factor and valence electron concentration, e/a. For metastable iQcs, we discuss the role of phason disorder introduced by rapid solidification, in structural stability and its interplay with chemical order and composition.

Original language	English
Article number	013008
Journal	Science and Technology of Advanced Materials
Volume	9
Issue number	1
DOIs	https://doi.org/10.1088/1468-6996/9/1/013008
Publication status	Published - 2008 Mar 1

Keywords

Icosahedral order
Isodahedral cluster
Phason disorder
Stable quasicrystal
Valence concentration

ASJC Scopus subject areas

Materials Science(all)

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10.1088/1468-6996/9/1/013008

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AB - We review the stability of various icosahedral quasicrystals (iQc) from a metallurgical viewpoint. The stability of stable iQcs is well interpreted in terms of Hume-Rothery rules, i.e. atomic size factor and valence electron concentration, e/a. For metastable iQcs, we discuss the role of phason disorder introduced by rapid solidification, in structural stability and its interplay with chemical order and composition.

KW - Icosahedral order

KW - Isodahedral cluster

KW - Phason disorder

KW - Stable quasicrystal

KW - Valence concentration

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Icosahedral clusters, icosaheral order and stability of quasicrystals - A view of metallurgy

Abstract

Keywords

ASJC Scopus subject areas

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