Title: Molecular structure of ternary Ge-As-Te glasses studied by Mossbauer spectroscopy
Authors: Aldon, L ×
Lippens, PE
Jumas, JC
Fourcade, JO
Bemelmans, Hilde
Langouche, Guido #
Issue Date: Feb-2000
Publisher: Elsevier science bv
Series Title: Journal of non-crystalline solids vol:262 issue:1-3 pages:244-251
Abstract: Local environments in As-Ge-Te glasses are studied using Te-125 and Sn-119 Mossbauer spectroscopy. Complementary to previous works on the binary As-Te and Ge-Te systems, the influence of Te content is reported in the ternary As-Ge-Te system. Particular attention is made in fitting the observed lineshapes. first using a 'classical' method and second using a quadrupole splitting distribution. The results show evidence of three Te local environments, a 3-fold co-ordinated site and a pair of 2-fold co-ordinated sites. The concentration of the 3-fold co-ordinated Te site is found to increase with As content of glasses, suggesting specific microscopic structures of the observed sites. (C) 2000 Elsevier Science B.V. All rights reserved.
ISSN: 0022-3093
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physics and Astronomy - miscellaneous
Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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