Issue 32, 2009

Probing chemical disorder in glasses using silicon-29 NMR spectral editing

Abstract

Chemical disorder can be characterized in silicate glasses using spectral editing in 29Si solid-state NMR. Resonances of the Qn(mX) (i.e.Si(OX)m(OSi)nm) molecular motifs, which strongly overlap in the 29Si solid-state NMR spectra of silicate glasses, can be separated and quantified using 2 to n-quantum filters in INADEQUATE-like experiments, without prior knowledge of assigned chemical shifts, offering a new probe for the microscopic origins of residual entropy in glassy materials.

Graphical abstract: Probing chemical disorder in glasses using silicon-29 NMR spectral editing

Supplementary files

Article information

Article type
Paper
Submitted
31 Mar 2009
Accepted
26 May 2009
First published
26 Jun 2009

Phys. Chem. Chem. Phys., 2009,11, 6935-6940

Probing chemical disorder in glasses using silicon-29 NMR spectral editing

J. Hiet, M. Deschamps, N. Pellerin, F. Fayon and D. Massiot, Phys. Chem. Chem. Phys., 2009, 11, 6935 DOI: 10.1039/B906399D

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