Formation of quasicrystals

Leonid A. Bendersky and Robert J. Schaefer

Physica A: Statistical Mechanics and its Applications, 1986, vol. 140, issue 1, 298-305

Abstract: It has recently been discovered that “quasicrystalline” intermetallic phases can form which have point group symmetries not allowed in periodic crystals; icosahedral, with six five-fold axes and decagonal, with one 10-fold axis. These phases have long-range orientational order, but they must have translational quasiperiodicity. They usually form at alloy compositions close to those of intermetallic compounds which have crystal structures containing icosahedral groups of atoms. The quasicrystal phases nucleate preferentially in supercooled melts, thus replacing the equilibrium phases.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:140:y:1986:i:1:p:298-305

DOI: 10.1016/0378-4371(86)90235-9

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