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Neutron diffraction studies of $Ge_xSe_{1-x}$ glasses

Rao, Ramesh N and Sangunni, KS and Gopal, ESR and Krishna, PSR and Chakravarthy, R and Dasannacharya, BA (1995) Neutron diffraction studies of $Ge_xSe_{1-x}$ glasses. In: Physica B:Condensed Matter, 213-21 . pp. 561-563.

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Neutron diffraction studies were performed on $Ge_xSe_{1-x}$ glasses for x=0.1, 0.2, 0.33 and 0.4. The structure factor S(Q) shows maximum intermediate-range order for x=0.33. Analysis of the two main peaks in T(r) shows that these glasses have $Ge(Se_{1/2})_4$ tetrahedra. Glasses with $x\leq;0.2$ consist of Se-chains cross-linked with Ge-tetrahedra while for $x\geq;0.2$ Ge-tetrahedra are present in both edge- and corner-shared configurations.

Item Type: Journal Article
Publication: Physica B:Condensed Matter
Publisher: Elsevier
Additional Information: Copyright of this article belongs to Elsevier.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 07 May 2007
Last Modified: 19 Sep 2010 04:37
URI: http://eprints.iisc.ac.in/id/eprint/10854

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