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Pramana

, Volume 25, Issue 2, pp L225–L230 | Cite as

A basis for the synthesis of quasicrystals

  • P Ramachandrarao
  • G V S Sastry
Letter

Abstract

It has been established that quasicrystals with icosahedral point group symmetry occur in a rapidly solidified Mg32 (Al, Zn)49 alloy chosen on the basis of its equilibrium crystal structure. This alloy has a natural tendency to form icosahedral atomic clusters stabilised by size difference amongst constituent atoms. Results highlight the relationship between equilibrium crystal structure and the tendency to form quasicrystals.

Keywords

Quasicrystals rapid solidification ternary aluminium-zinc-magnesium alloy 

PACS No

61.50 61.55 64.70 

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Copyright information

© Indian Academy of Sciences 1985

Authors and Affiliations

  • P Ramachandrarao
    • 1
  • G V S Sastry
    • 1
    • 2
  1. 1.School of Materials Science and TechnologyInstitute of Technology, Banaras Hindu UniversityVaranasiIndia
  2. 2.Department of Metallurgical EngineeringInstitute of Technology, Banaras Hindu UniversityVaranasiIndia

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