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Superstructures in Ba0·6K0·4BiO3−y and BaPb1−x Bi x O3−y
Author(s) -
Wuzong Zhou,
M. M. Dalton,
David A. Jefferson,
Peter P. Edwards
Publication year - 1991
Publication title -
bulletin of materials science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.35
H-Index - 72
eISSN - 0973-7669
pISSN - 0250-4707
DOI - 10.1007/bf02744687
Subject(s) - perovskite (structure) , materials science , superlattice , electron diffraction , diffraction , electron microscope , crystallography , x ray crystallography , condensed matter physics , optics , physics , chemistry , optoelectronics
The perovskite compounds Ba0·6K0·4BiO3 and BaPb1-x Bi x O3 (x=0·9, 0·5, 0·25) have been investigated by high resolution electron microscopy and selected area electron diffraction. Several superlattices produced by in situ electron beam reduction have been observed. Ordered atomic arrangements in the reduced materials are discussed. © 1991 Indian Academy of Sciences

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