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From quasicrystals to ordinary crystals

F. H. Li, G. Z. Pan, Shizhong Tao, M. J. Hui, Z. H., X. S. Chen, Lu Cai

Open publisher page 30 citations

Abstract

A series of electron diffraction patterns of T2-AI6CuLi3 with various degrees of distortion have been obtained and interpreted. It is shown that a certain quenched linear phason strain can introduce imperfections into icosahedral quasicrystals such that the structure deviates from its idealized form and changes towards a corresponding b.c.c. lattice. A possible approach to constructing an icosahedral quasicrystal structural model from the structure of the b.c.c. phase is pointed out.

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What this paper is about

A series of electron diffraction patterns of T2-AI6CuLi3 with various degrees of distortion have been obtained and interpreted. It is shown that a certain quenched linear phason strain can introduce imperfections into icosahedral quasicrystals such that the structure deviates from its idealized form and changes towards a corresponding b.c.c. lattice. A possible approach to constructing an icosahedral quasicrystal structural model from the structure of the b.c.c. phase is pointed out.

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Available abstract

A series of electron diffraction patterns of T2-AI6CuLi3 with various degrees of distortion have been obtained and interpreted. It is shown that a certain quenched linear phason strain can introduce imperfections into icosahedral quasicrystals such that the structure deviates from its idealized form and changes towards a corresponding b.c.c. lattice. A possible approach to constructing an icosahedral quasicrystal structural model from the structure of the b.c.c. phase is pointed out.

Key concepts: Phason, Quasicrystal, Icosahedral symmetry, Crystallography, Lattice (music), Condensed matter physics, Diffraction, Distortion (music)

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