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准晶是具有与晶体和非晶玻璃态结构不同的新凝聚态物质。1984年Shechtman等关于准晶的报告发表以后,立刻引起人们广泛的兴趣。早期发现的准晶多在Al合金系中,1993年,Luo等首次在以锌为主要组元的Zn-Mg-(Y,RE)合金系中发现了二十面体准晶相。1994年,Niikura发现通过缓慢冷却Zn-M
Quasicrystals are new condensed matter species with different crystalline and amorphous glass states. Shechtman and other quasi-crystal in 1984 after the report published immediately aroused widespread interest. The early quasicrystals were mostly found in Al alloys. In 1993, for the first time, Luo et al. Discovered an icosahedral quasicrystal in the Zn-Mg- (Y, RE) alloy system with zinc as the main component. In 1994, Niikura found that by slowly cooling Zn-M