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Intergrowth polytypoids as modulated structures: a superspace description of the Srn(Nb,Ti)nO3n+2 compound series

Elcoro, Luis; Perez-Mato, J M; Withers, Raymond


A new, unified superspace approach to the structural characterization of the perovskite-related Srn(Nb,Ti)nO3n + 2 compound series, strontium niobium/titanium oxide, is presented. To a first approximation, the structure of any member of this compound series can be described in terms of the stacking of (110)-bounded perovskite slabs, the number of atomic layers in a single perovskite slab varying systematically with composition. The various composition-dependent layer-stacking sequences can be...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Acta Crystallographica Section B: Structural Science
DOI: 10.1107/S0108768101005444


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