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On the Crystallographic Polytypes SrAl 12 O 19 (BaFe 12 O 19 )–BaFe 18 O 27

On the Crystallographic Polytypes SrAl 12 O 19 (BaFe 12 O 19 )–BaFe 18 O 27 Abstract A crystallographic analysis of SrAl12O19 (isostructural to BaFe12O19) and BaFe18O27 showed that the structures of both polytypes contain almost identical cationic and anionic (with participation of a large cation) sublattices, whose geometry is consistent with the high symmetry P63/mmc of these compounds. The presence of unified “skeletal” sublattices is considered to be the main condition for the formation of polytype structures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

On the Crystallographic Polytypes SrAl 12 O 19 (BaFe 12 O 19 )–BaFe 18 O 27

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References (9)

Publisher
Springer Journals
Copyright
2019 Pleiades Publishing, Inc.
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/s1063774519040060
Publisher site
See Article on Publisher Site

Abstract

Abstract A crystallographic analysis of SrAl12O19 (isostructural to BaFe12O19) and BaFe18O27 showed that the structures of both polytypes contain almost identical cationic and anionic (with participation of a large cation) sublattices, whose geometry is consistent with the high symmetry P63/mmc of these compounds. The presence of unified “skeletal” sublattices is considered to be the main condition for the formation of polytype structures.

Journal

Crystallography Reports – Springer Journals

Published: Jul 1, 2019

Keywords: Crystallography and Scattering Methods

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