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Vitrification of a monatomic metallic liquid M. H. Bhat1

Summary: LETTERS
Vitrification of a monatomic metallic liquid
M. H. Bhat1
, V. Molinero1,2
, E. Soignard1
, V. C. Solomon1
, S. Sastry3
, J. L. Yarger1
& C. A. Angell1
Although the majority of glasses in use in technology are complex
mixtures of oxides or chalcogenides, there are numerous examples
of pure substances--`glassformers'--that also fail to crystallize
during cooling. Most glassformers are organic molecular systems,
but there are important inorganic examples too1,2
, such as silicon
dioxide and elemental selenium (the latter being polymeric). Bulk
metallic glasses can now be made3
; but, with the exception of
Zr50Cu50 (ref. 4), they require multiple components to avoid crys-
tallization during normal liquid cooling. Two-component `met-


Source: Angell, C. Austen - Department of Chemistry and Biochemistry, Arizona State University


Collections: Materials Science; Chemistry