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

δείτε την πρωτότυπη σελίδα τεκμηρίου
στον ιστότοπο του αποθετηρίου του φορέα για περισσότερες πληροφορίες και για να δείτε όλα τα ψηφιακά αρχεία του τεκμηρίου*



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

Smith, G.
Croskrey, J.
Holland, D.
Singleton, S.
Καμίτσος, Ευστράτιος Ι.
Ioannou, E.
Smith, M. E.
Blair, S.
Edwards, T.
Feller, S.
Riley, A.
Liss, D.
Βαρσάμης, Χρήστος-Πλάτων Ε.
Kelley, M.
Affatigato, M.
Lodden, G.
Stentz, D.
Schue, A.

Άρθρο σε επιστημονικό περιοδικό

2010-03-01


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: (29)Si 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.
AMSTERDAM

Επιστήμη (Γενικά) (EL)
Τεχνολογία (Γενικά) (EL)
Technology (General) (EN)
Science (General) (EN)

Materials Science, Ceramics
Materials Science, Multidisciplinary
Mass spectroscopy
Silicates
Glass formation
Glass transition
Thermal properties
Resonance methods
Modeling and simulation
FTIR measurements
Raman scattering
Nuclear magnetic (and quadrupole) resonance
Optical properties
Glasses
Diffraction and scattering measurements
Short-range order
Oxide glasses
Structure
NMR, MAS NMR and NQR

Αγγλική γλώσσα

Elsevier BV, North-Holland


Journal of Non-crystalline Solids

https://rightsstatements.org/page/InC/1.0/?language=en
© 2009 Elsevier B.V. All rights reserved.
© 2009 Elsevier B.V. All rights reserved. (EN)




*Η εύρυθμη και αδιάλειπτη λειτουργία των διαδικτυακών διευθύνσεων των συλλογών (ψηφιακό αρχείο, καρτέλα τεκμηρίου στο αποθετήριο) είναι αποκλειστική ευθύνη των αντίστοιχων Φορέων περιεχομένου.