Effect of size factor on the Ruddlesden-Popper single-slab compounds structure features-Reference-Cited by-同舟云学术

Effect of size factor on the Ruddlesden-Popper single-slab compounds structure features

Published:2019 Issue:1 Volume:7 Page:10-15
ISSN:2312-3222
Container-title:French-Ukrainian Journal of Chemistry
language:
Short-container-title:Fr. Ukr. J. Chem.

Author:

Titova Yuriy A.¹,Belyavina Nadegda N.¹,Slobodyanik Mikola S.¹,Nakonechna Olesya I.¹,Strutynska Nataliia Y.¹

Affiliation:

1. Taras Shevchenko National University of Kyiv

Abstract

Character of influence of the strontium atoms replacement by smaller atoms of calcium on structure features of the Ruddlesden-Popper (Sr,Ca)LaScO4 (A2BO4) single-slab compoundis established. Structure of phase with a maximum degree of replacementhas determined by the Rietveld method. It is shown that such type of substitution increases a degree of AO9 interblock polyhedra deformation, mutual inclination of the BO6 octahedra and a decrease of A - О interblock bond. Presence of structure changes is the precondition for regulation of structural-dependent features of the materials on the base of scandates alkaline-earth and rare earth metals.

Publisher

Taras Shevchenko National University of Kyiv

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