We report about our work on the preparation and characterization of icosahedral Zn–Mg–(Y, RE) (RE = rare earth element) quasicrystals. We obtained single grains of the icosahedral (i‐) phase via slow cooling experiments and with the Bridgman technique. We revealed a composition range of the i‐phase, within which the structure changes. Additionally a systematic investigation of the Zn–Mg–Y phase diagram, including the determination of the primary solidification area of the icosahedral phase is presented. It was found that for a growth from the melt a starting composition with a low Y‐content is needed.
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Langsdorf et al. (1997) studied this question.
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