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Polytope Models of Metallic Glasses: S-Band Electronic Properties

Published online by Cambridge University Press:  26 February 2011

Jonathan V. Selinger  and
David R. Nelson
Jonathan V. Selinger
Affiliation:
Department of Physics, Harvard University Cambridge, Massachusetts 02138
David R. Nelson
Affiliation:
Department of Physics, Harvard University Cambridge, Massachusetts 02138
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Abstract

Inspired by the experiments of Turnbull (1952) on undercooled liquid mercury, many investigators have argued that polytetrahedral short-range order is an important ingredient in the structure of undercooled liquids and metallic glasses. A paradigm for such order is “polytope {3,3,5},” which is a regular lattice of 600 perfect tetrahedra with an icosahedral point symmetry embedded on the surface of a four-dimensional sphere. We present results for the band structure of polytope {3,3,5} in the presence of disclinations, and compare them with band structures obtained from dense random packing models of metallic glasses.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 57: Symposium I – Phase Transitions in Condensed Systems--Experiments and Theory , 1985 , 185
Copyright
Copyright © Materials Research Society 1987

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