Structures in superspace of intergrowth polytypoids LaTi1-xO3 and (Ba1-4xLa4x)Ti1-xO3 with x = 1/5 - Université de Limoges Accéder directement au contenu
Article Dans Une Revue Ferroelectrics Année : 2001

Structures in superspace of intergrowth polytypoids LaTi1-xO3 and (Ba1-4xLa4x)Ti1-xO3 with x = 1/5

Résumé

New Rietveld refinements of powder diffraction data of the cation deficient perovskite-related compounds mentioned in the title were performed in 4D using a recently proposed superspace model with discrete atomic occupation domains. The results confirm the validity and efficiency of the superspace description of these layered systems. The resulting 3D structure for La5Ti4O15 corrects a previously reported model.
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hal-03580261 , version 1 (02-03-2023)

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V. Petricek, L. Elcoro, J. Perez-Mato, Jacques Darriet, N. Teneze, et al.. Structures in superspace of intergrowth polytypoids LaTi1-xO3 and (Ba1-4xLa4x)Ti1-xO3 with x = 1/5. Ferroelectrics, 2001, 250 (1), pp.31-34. ⟨10.1080/00150190108225026⟩. ⟨hal-03580261⟩
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