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Neutron Scattering Studies of Network Glasses

Published online by Cambridge University Press:  22 February 2011

Adrian C. Wright ,
Behnam Vessal ,
Bilber Bachra ,
Robert A. Hulme ,
Roger N. Sinclairc ,
Alexis G. Clare  and
David I. Grimley
Adrian C. Wright
Affiliation:
J. J. Thomson Physical Laboratory, Reading University,Whiteknights, Reading, RG6 2AF, U.K.
Behnam Vessal
Affiliation:
Biosym Technologies, 9685 Scranton Road, San Diego, CA 92121-2777, U.S.A.
Bilber Bachra
Affiliation:
J. J. Thomson Physical Laboratory, Reading University,Whiteknights, Reading, RG6 2AF, U.K.
Robert A. Hulme
Affiliation:
J. J. Thomson Physical Laboratory, Reading University,Whiteknights, Reading, RG6 2AF, U.K.
Roger N. Sinclairc
Affiliation:
Industrial Technology, Harwell Laboratory, Didcot, OX11 ORA, U.K.
Alexis G. Clare
Affiliation:
New York State College of Ceramics at Alfred University, Alfred, NY 14802-1296, U.S.A.
David I. Grimley
Affiliation:
J. J. Thomson Physical Laboratory, Reading University,Whiteknights, Reading, RG6 2AF, U.K.
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Abstract

A review is presented of recent neutron diffraction studies of silicate and borate glasses, using a combination of steady-state reactor and pulsed neutron sources. The samples studied include both single component glasses and binary systems, consisting of a network modifier plus a network former, and the data have been extended to high magnitudes of the scattering vector, Q, to achieve high real-space resolution. Peak fitting techniques are employed to extract the detailed geometry of the basic structural units and to investigate the distortions caused by the introduction of network modifiers. The data are compared to various structural models and conclusions are drawn not only with regard to the validity of the structural models themselves but also concerning the environment of the network modifying cations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 376: Symposium BB – Neutron Scattering in Materials Science , 1994 , 635
Copyright
Copyright © Materials Research Society 1995

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References

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