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Type: Artigo de periódico
Title: Decrease of interlamellar spacing of silica samples induced by external pressure
Author: de Farias, RF
Martinez, L
Airoldi, C
Abstract: Lamellar silica and cadmium or mercury derivative-doped samples were synthesized by neutral amine route through the sol-gel process. These samples showed a decrease of the interlamellar ii-space promoted only by an increase of the externally applied pressure on the samples. For a constant external pressure the observed decrease has a linear behavior as a function of time. The undoped lamellar silica, when pressed under 760 mPa for 45 min, exhibited a decrease of the interlamellar distance of 16%. The obtained results suggested that under an increased external pressure, cadmium is forced to change its coordination environment, to adjust to a most stable structure. (C) 2000 Elsevier Science B.V. All rights reserved.
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Non-crystalline Solids. Elsevier Science Bv, v. 276, n. 41699, n. 56, n. 60, 2000.
Rights: fechado
Identifier DOI: 10.1016/S0022-3093(00)00277-5
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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