A single crystal study of eight-layer barium managanese oxide,BaMnO3 |
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Authors: | Alan D Potoff Bertrand L Chamberland Lewis Katz |
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Institution: | 1. Department of Chemistry, University of Connecticut, Storrs, Connecticut, 06268 USA;2. Institute of Materials Science, University of Connecticut, Storrs, Connecticut, 06268 USA |
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Abstract: | A single crystal study of hydrothermally prepared eight-layer BaMnO3 has been carried out which confirms the (Zhdanov notation) 121121 layer stacking scheme for the BaO3 layers. The MnO6 octahedra share faces in strings of four, and these strings are connected to each other by corner sharing. The compound has an hexagonal unit cell of dimensions a = 5.667 ± 0.003 and c = 18.738 ± 0.009 Å, probable space group . Its structure has been determined from 352 independent reflections, of which 242 were considered observed, collected manually by a counter technique and refined to a conventional R value of 0.079. |
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