Evidence by XAS of tin oxide coating layered double hydroxides

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Published under licence by IOP Publishing Ltd
, , Citation Mourad Intissar et al 2005 Phys. Scr. 2005 288 DOI 10.1238/Physica.Topical.115a00288

1402-4896/2005/T115/288

Abstract

XAS provides clear evidences that the tetravalent cations are not incorporated within Layered Double Hydroxide (LDH) sheets. The cations are segregated, presenting a local order close to that of SnO2 rutile. However, the nature of the LDH influences slightly the local order probably due to some surface effect microtexture. Variation of the cell parameters for the LDH materials are explained by a substitution of Al cations by divalent cations M(II).

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10.1238/Physica.Topical.115a00288