First-time microwave-synthesis of As40Se60 chalcogenide glass

Prasad, N., Furniss, D./, Rowe, H.L., Miller, C.A., Gregory, D.H. and Seddon, A.B. (2010) First-time microwave-synthesis of As40Se60 chalcogenide glass. Journal of Non-Crystalline Solids, 356(41-42), pp. 2134-2145. (doi: 10.1016/j.jnoncrysol.2010.08.006)

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Publisher's URL: http://dx.doi.org/10.1016/j.jnoncrysol.2010.08.006

Abstract

Arsenic sulfide and arsenic selenide glasses, batched from elemental precursors in stoichiometric proportions, are synthesised in ≤ 35 min via microwave heating in a domestic microwave oven (DMO). The DMO products are compared with the stoichiometric glasses made by conventional resistive furnace melting using: X-ray diffraction (XRD); transmission electron microscopy with selected area electron diffraction (TEM-SAED); analytical scanning electron microscopy; optical microscopy; differential thermal analysis (DTA); and Fourier transform infrared spectroscopy. From XRD and TEM-SAED, only part of the DMO As–S product is amorphous and exhibits up to three DTA glass transitions (T<sub>g</sub>s) showing that homogenisation has not taken place. In contrast, As<sub>40</sub>Se<sub>60</sub>0 glass is readily prepared in the DMO and has similar properties to conventionally melted As<sub>40</sub>Se<sub>60</sub> glass. Furthermore, the DMO As<sub>40</sub>Se<sub>60</sub> glass can be patterned using hot embossing and drawn to fibre.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Gregory, Professor Duncan
Authors: Prasad, N., Furniss, D./, Rowe, H.L., Miller, C.A., Gregory, D.H., and Seddon, A.B.
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Journal of Non-Crystalline Solids
Publisher:Elsevier
ISSN:0022-3093
ISSN (Online):1873-4812

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