Feller, S., Lodden, G., Riley, A., Edwards, T., Croskrey, J., Schue, A., Liss, D., Stentz, D., Blair, S., Kelley, M., Smith, G., Singleton, S., Affatigato, M., Holland, D., Smith, Mark E., Kamitsos, E. I., Varsamis, C. P. E. and Ioannou, E.. (2010) A multispectroscopic structural study of lead silicate glasses over an extended range of compositions. Journal of Non-Crystalline Solids, Vol.356 (No.6-8). pp. 304-313. ISSN 0022-3093

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Abstract

A series of lead silicate glasses, spanning the broadest reported range of lead contents (up to 83 mol% PbO), were prepared, on which the following spectroscopic observations were made: Si-29 magic angle spinning nuclear magnetic resonance, time of flight mass spectroscopy, raman spectroscopy and fourier transform infrared spectroscopy. For bulk. splat-quenched samples, infrared results indicate that the lever rule is approximately followed until about 60 mol% PbO, though with considerable dissociation of the stoichiometric groups into silicate units with lesser and greater numbers of non-bridging oxygens. For roller-quenched samples, nuclear magnetic resonance data are consistent with a statistical distribution up to this lead concentration. Above 60 mol% PbO, added oxygen remains associated with lead to form a separate lead oxide glass network. The evidence for this comes from each of the spectroscopic techniques employed. A quantitative distribution of PbO is given. (C) 2009 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Subjects:	T Technology > TP Chemical technology T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Journal of Non-Crystalline Solids
Publisher:	Elsevier Science BV
ISSN:	0022-3093
Official Date:	1 March 2010
Volume:	Vol.356
Number:	No.6-8
Number of Pages:	10
Page Range:	pp. 304-313
Identification Number:	10.1016/j.jnoncrysol.2009.12.003
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	National Science Foundation (U.S.) (NSF), Engineering and Physical Sciences Research Council (EPSRC), INCO
Grant number:	DMR 0211718, DMR 05020518, CERAMED-ICA3-CT-2002-10018
URI:	http://wrap.warwick.ac.uk/id/eprint/6261

Data sourced from Thomson Reuters' Web of Knowledge

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