A multispectroscopic structural study of lead silicate glasses over an extended range of compositions

被引：68

作者：

Feller, S. ^{[1
]}

Lodden, G. ^{[1
]}

Riley, A. ^{[1
]}

Edwards, T. ^{[1
]}

Croskrey, J. ^{[1
]}

Schue, A. ^{[1
]}

Liss, D. ^{[1
]}

Stentz, D. ^{[1
]}

Blair, S. ^{[1
]}

Kelley, M. ^{[1
]}

Smith, G. ^{[1
]}

Singleton, S. ^{[2
]}

Affatigato, M. ^{[1
]}

Holland, D. ^{[3
]}

Smith, M. E. ^{[3
]}

Kamitsos, E. I. ^{[4
]}

Varsamis, C. P. E. ^{[4
]}

Ioannou, E. ^{[4
]}

机构：

[1] Coe Coll, Dept Phys, Cedar Rapids, IA 52402 USA

[2] Coe Coll, Dept Chem, Cedar Rapids, IA 52402 USA

[3] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[4] Natl Hellen Res Fdn, Athens 11635, Greece

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2010年 / 356卷 / 6-8期

基金：

美国国家科学基金会; 英国工程与自然科学研究理事会;

关键词：

Diffraction and scattering measurements; Raman scattering; Glass formation; Glass transition; Glasses; Nuclear magnetic (and quadrupole) resonance; Mass spectroscopy; Modeling and simulation; Optical properties; FTIR measurements; Oxide glasses; Silicates; Resonance methods; NMR; MAS NMR and NQR; Structure; Short-range order; Thermal properties; LASER-ABLATION; SPECTROSCOPY; ENVIRONMENT;

D O I：

10.1016/j.jnoncrysol.2009.12.003

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：304 / 313

页数：10

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