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A Local Probe into the Atomic Structure of Metallic Glasses Using EELS

Published online by Cambridge University Press:  10 February 2011

F. M. Alamgir ,
Y. Ito ,
H. Jain ,
D. B. Williams  and
R. B. Schwarz
F. M. Alamgir
Affiliation:
Department of Material Science & Engr., Lehigh University, Bethlehem, PA 18015, [email protected]
Y. Ito
Affiliation:
Department of Material Science & Engr., Lehigh University, Bethlehem, PA 18015, [email protected]
H. Jain
Affiliation:
Department of Material Science & Engr., Lehigh University, Bethlehem, PA 18015, [email protected]
D. B. Williams
Affiliation:
Department of Material Science & Engr., Lehigh University, Bethlehem, PA 18015, [email protected]
R. B. Schwarz
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545, USA
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Abstract

Electron energy loss spectroscopy (EELS) is used to extract information on the topological arrangement of atoms around Pd in the bulk-glass-forming Pd60Ni20P20. It is found that the environment around Pd in the glass is only a slight modification of the Pd crystalline structure. However, the modification is enough to allow this alloy to form a glass in bulk. In examining the differences between the structure of crystalline Pd and glassy Pd60Ni20P20 it is concluded that incorporation of Ni and P into the structure frustrates the structure enough that glass formation becomes easy.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 554: Symposium MM – Bulk Metallic Glasses , 1998 , 15
Copyright
Copyright © Materials Research Society 1999

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