The structure of GeS2-P2S5 glasses

Brian Cherry; Josef W. Zwanziger; Bruce G. Aitken

doi:10.1021/jp014617u

The structure of GeS₂-P₂S₅ glasses

Brian Cherry, Josef W. Zwanziger, Bruce G. Aitken

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Structural models of (GeS₂)_1-x(P₂S₅)_x glasses were developed and used to explain bulk properties of the glasses, including density, glass transition temperature, and refractive index. The models were developed based on combined data from solid-state NMR measurements of spectra and magnetic dipole distributions, neutron diffraction, and Raman spectroscopy. The fundamental structural groups of these glasses consist of GeS_4/2 tetrahedra, and both S=PS_3/2 and PS_3/2 phosphorus units, the latter necessitating also the presence of sulfur-sulfur bonding. Furthermore, the phosphorus sites are present in both network sites and molecular clusters.

Original language	English (US)
Pages (from-to)	11093-11101
Number of pages	9
Journal	Journal of Physical Chemistry B
Volume	106
Issue number	43
DOIs	https://doi.org/10.1021/jp014617u
State	Published - Oct 31 2002
Externally published	Yes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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AB - Structural models of (GeS2)1-x(P2S5)x glasses were developed and used to explain bulk properties of the glasses, including density, glass transition temperature, and refractive index. The models were developed based on combined data from solid-state NMR measurements of spectra and magnetic dipole distributions, neutron diffraction, and Raman spectroscopy. The fundamental structural groups of these glasses consist of GeS4/2 tetrahedra, and both S=PS3/2 and PS3/2 phosphorus units, the latter necessitating also the presence of sulfur-sulfur bonding. Furthermore, the phosphorus sites are present in both network sites and molecular clusters.

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The structure of GeS₂-P₂S₅ glasses

Abstract

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