Structural adaptability in the system Bi2O3 WO3 : Higher members of the homologous series Bi2WnO3n+3 |
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Authors: | D.A Jefferson J Gopalakriahnan A Ramanan |
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Affiliation: | Department of Physical Chemistry University of Cambridge, Cambridge CB2 1EP England;Solid State and Structural Chemistry Unit Indian Institute of Science Bangalore-560012, India |
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Abstract: | The ultramicrostructure of phases with n = 1, 2 and 3 in the hypothetical series Bi2WnO3n+3 has been investigated by high resolution electron microscopy and energy dispersive X-ray emission spectroscopy. For n = 1 and 2, well ordered phases with the predicted compositions have been obtained, but for n = 3, a severely disordered assemblage containing intergrowths of the two known structures and strips of the n = 3 member is produced. No evidence for ordered structures with n > 2 has yet been obtained. |
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