T2-AlLiCu: a stable icosahedral phase?
作者： Matthew A. Marcus , Wveit Elser
DOI: 10.1080/13642818608239018
关键词: Quasicrystal 、 Crystal structure 、 Crystallography 、 Icosahedral symmetry 、 X-ray crystallography 、 Chemistry 、 Condensed matter physics 、 R-Phase 、 Ternary alloy 、 Phase (matter) 、 Phase diagram
摘要: Abstract The system Al-Li-Cu has recently been found to form an icosahedral phase (Ball and Lloyd 1985). We have re-examined the diagram X-ray data of Hardy Silcock (1955). powder pattern for their T2 can be indexed structure with a quasilattice parameter 5°02 A. Previous work (Cherkashin, Kripyakevich Oleksiv 1964) shows that nearby R is isotype (Al, Zn) 49Mg32 structure. appears modification in close analogy relationship observed by Henley Elser (1986) Al-Mg-Zn alloys.
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