A neutron diffraction study of niobium dioxide

Cheetham, A. K. ; Rao, C. N. R. (1976) A neutron diffraction study of niobium dioxide Acta Crystallographica Section B, 32 (5). pp. 1579-1580. ISSN 0108-7681

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Official URL: http://onlinelibrary.wiley.com/doi/10.1107/S056774...

Related URL: http://dx.doi.org/10.1107/S0567740876005876


The structure of NbO2 at 295 K has been examined by profile analysis of powder neutron diffraction data. Space group I41/a, a=13.696 (1), c=5.981 (1) Å. The structure can be described as a super structure with a subcell of the rutile type. The Nb atoms occur in pairs and an antiferroelectric displacement of Nb results in a tilting of the Nb-Nb pairs along c.

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