Crystal Structure Refinement of MgNb2O6 Columbite from Neutron Powder Diffraction Data and Study of the Ternary System MgO-Nb2O5-NbO, with Evidence of Formation of New Reduced Pseudobrookite Mg5-xNb4+xO15-delta (1.14

Author： Pagola S.   Carbonio R.E.   Alonso J.A.   Fernandez-Diaz M.T.  

Publisher： Academic Press

ISSN： 0022-4596

Source： Journal of Solid State Chemistry, Vol.134, Iss.1, 1997-11, pp. : 76-84

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