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Observation of a cubic phase in mesoporous silicate films grown at the air/water interface

Ruggles, Jeremy; Holt, Stephen; Reynolds, Philip; Brown, A S; Creagh, Dudley C; White, John


X-Ray diffraction is reported from mesoporous silicate films grown at the air/water interface. The films were studied both as powdered films, and oriented on silicon or mica sheets. At early stages of growth we observe Bragg diffraction from a highly ordered cubic phase, with both long and short d-spacing peaks. We have assigned this as a discontinuous micellar Pm3n phase in which the silica is partly ordered. Later films retain only the known hexagonal p6m peaks and have lost any order both at...[Show more]

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Physical Chemistry Chemical Physics
DOI: 10.1039/a807840h


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