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Pramana

, Volume 27, Issue 1–2, pp 267–273 | Cite as

Electron and x-ray diffraction studies on Al86Fe14, Al82Fe18 and Al75Fe25 quasicrystals

  • J A Sekhar
  • T Rajasekharan
  • P Rama Rao
  • G Parthasarathy
  • S Ramkumar
  • E S R Gopal
  • C S Lakshmi
  • R M Mallya
Solid State Physics

Abstract

Electron and x-ray diffraction experiments on the metlt-spun Al100−x Fe x (x=14, 18, 25) alloys are carried out. It is observed that all the melt-spun alloys possessing the quasi-crystalline phases have icosahedral point-group symmetry.

Keywords

Quasicrystals structural studies electron diffraction x-ray diffraction 

PACS No.

61.50 61.55 64.70 

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Copyright information

© the Indian Academy of Sciences 1986

Authors and Affiliations

  • J A Sekhar
    • 1
  • T Rajasekharan
    • 1
  • P Rama Rao
    • 1
  • G Parthasarathy
    • 1
    • 2
  • S Ramkumar
    • 1
    • 3
  • E S R Gopal
    • 1
    • 3
  • C S Lakshmi
    • 1
    • 3
  • R M Mallya
    • 1
    • 3
  1. 1.Defence Metallurgical Research LaboratoryHyderabadIndia
  2. 2.Instrumentation and Services UnitIndian Institute of ScienceBangaloreIndia
  3. 3.Department of PhysicsIndian Institute of ScienceBangaloreIndia

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