Etude par diffraction X et microscopie electronique des composes inedits de formule AnBnO3n+2 dans les systems La2Ti2O7CaTiO3, Nd2Ti2O7CaTiO3 et Ca2Nb2O7CaTiO3 |
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Authors: | Monique Nanot Francine Queyroux Jean-Claude Gilles Richard Portier Michel Fayard |
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Affiliation: | Laboratoire de Chimie du Solide Minéral E.S.P.C.I. 10, rue Vauquel in, 75231 Paris Cedex 05, France;Laboratoire de Métal lurgie Structurale des Alliages Ordonnés Equipe de Recherche Associée au C.N.R.S. n° 221 E.N.S.C.P. 11, rue P. et M. Curie, 75321 Paris Cedex 05 France |
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Abstract: | New compounds corresponding to the formula AnBnO3n+2 with n = 4,5; 5 and 6 have been found in the two following systems Nd2Ti2O7CaTiO3 and Ca2Nb2O7CaTiO3. These compounds have been investigated by electron microscopy. The results obtained are in good agreement with our structural hypothesis. |
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