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Issue 20, 2018
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Using neutrons, X-rays and nuclear magnetism to determine the role of transition metal oxide inclusions on both glass structure and stability in automotive glass enamels

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Abstract

Low levels of transition metal oxides in alkali borosilicate glass systems can drastically influence crystallisation and phase separation properties. We investigated the non-monotonic effect of manganese doping on suppressing crystallisation, and the influence on optical properties by iron oxide doping, in terms of local atomic structure. Structural models based on empirical potential structure refinement were generated from neutron and X-ray scattering data, and compared against multinuclear solid-state NMR. This revealed that a 2.5% manganese doping had a disruptive effect on the entire glass network, supressing crystallisation of an undesired bismuth silicate phase, and that iron species preferentially locate near borate tetrahedra. Preventing phase separation and controlling crystallisation behaviour of glass are critical to the ultimate properties of automotive glass enamels.

Graphical abstract: Using neutrons, X-rays and nuclear magnetism to determine the role of transition metal oxide inclusions on both glass structure and stability in automotive glass enamels

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Article information


Submitted
19 Jan 2018
Accepted
27 Apr 2018
First published
04 May 2018

Phys. Chem. Chem. Phys., 2018,20, 13734-13746
Article type
Paper

Using neutrons, X-rays and nuclear magnetism to determine the role of transition metal oxide inclusions on both glass structure and stability in automotive glass enamels

D. T. Bowron, J. Booth, N. S. Barrow, P. Sutton and S. R. Johnson, Phys. Chem. Chem. Phys., 2018, 20, 13734
DOI: 10.1039/C8CP00427G

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