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Physical properties of icosahedral Ai-Cr-Fe-Ge alloys
, R.A. Dunlap, D. Bahadur, E. Dunlap
Published in
1990
Volume: 61
   
Issue: 2
Pages: 177 - 188
Abstract
Alloys of the form Al65Cr20Ge15 with up to 15 at.% Fe substituted for Cr have been rapidly solidified from the melt by single-roller melt spinning and have been shown to be single-phase icosahedral quasicrystals. X-ray diffraction measurements show an increase in disorder with increasing Fe content. Thermal analysis measurements indicate structural relaxation of the quasicrystalline phase prior to crystallization. Mossbauer spectra of all alloys exhibit a broadened doublet. These spectra are analysed in terms of models involving multiple transition metal sites and distributions of transition metal environments. © 1990 Taylor & Francis Ltd.
About the journal
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
ISSN13642812