Phase relations for water and ice in confined geometry

Dore, John C. and Webber, J. Beau W. and Behrens, Peter and Haggenmuller, C and Montague, C. (2002) Phase relations for water and ice in confined geometry. In: Brazhkin, VV and Buldyrev, SV and Ryzhov, VN and Stanley, HE, eds. New kinds of phase transitions: Transformations in disordered substances. SPRINGER, PO BOX 17, 3300 AA DORDRECHT, NETHERLANDS, pp. 469-480. ISBN 1-4020-0825-2 . (Access to this publication is restricted)

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Abstract

A brief survey is given of the structural characteristics of water at low temperatures in the normal and super-cooled states using neutron diffraction. Similar studies axe presented for D2O water in mesoporous sol-gel silicas showing the depression of the nucleation temperature, the effects of fractional filling and the formation of cubic ice I-c in the pores. Preliminary data is also presented for both neutron and x-ray diffraction studies of water in the ordered MCM41 silica, showing the deep super-cooling and the reversible phase transformation between water and cubic ice. The importance of hydrogen-bonded networks and the development of long-range correlations axe used to provide an explanation of the observations. Further work is in progress.

Item Type: Book section
Additional information: NATO Advanced Research Workshop on New Kinds of Phase Transitions - Transformations in Disordered Substances, RUSSIA, MAY 24-28, 2001
Subjects: Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences > Functional Materials Group
Depositing User: J.B.W. Webber
Date Deposited: 11 Mar 2009 22:56
Last Modified: 26 Jun 2014 13:06
Resource URI: http://kar.kent.ac.uk/id/eprint/13455 (The current URI for this page, for reference purposes)
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