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Crystal structure of the ordered perovskite: BaBi0.5Sb0.5O3
Fu WT, deGelder R, deGraaff RAG
MATERIALS RESEARCH BULLETIN
32: (6) 657-662 JUN 1997

Document type: Article    Language: English    Cited References: 21    Times Cited: 2   

Abstract:
The structure of BaBi0.5Sb0.5O3 is determined by single crystal X-ray diffraction. It is an ordered perovskite, having rhombohedral symmetry, space group R (3) over bar m (No. 166), with lattice parameters a = 6.043(1) Angstrom and alpha = 60.05(2)degrees. The final agreement factor R based on F-2 for 6420 reflections was 0.052. An important structural feature of BaBi0.5Sb0.5O3 is the displacements of oxygen atoms from their ideal positions within the pseudo-cubic [110](p) planes, creating an alternative arrangement of (larger) BiO6 and (smaller) SbO6 octahedra. Therefore, the valence states of bismuth and antimony can be readily assigned as Bi(III) and Sb(V). (C) 1997 Elsevier Science Ltd.

Author Keywords:
inorganic compound, crystal growth, X-ray diffraction, crystal structure

KeyWords Plus:
BAPB1-XBIXO3, SUPERCONDUCTIVITY, BAPB1-XSBXO3, TEMPERATURE, SYSTEM, STATES, TC

Addresses:
Fu WT, LEIDEN UNIV, LEIDEN INST CHEM, GORLAEUS LABS, POB 9502, NL-2300 RA LEIDEN, NETHERLANDS.
CATHOLIC UNIV NIJMEGEN, DEPT INORGAN CHEM, NL-6525 ED NIJMEGEN, NETHERLANDS.

Publisher:
PERGAMON-ELSEVIER SCIENCE LTD, OXFORD

IDS Number:
XA494

ISSN:
0025-5408


Article 22 of 38


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