Physical Inorganic Chemistry
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ChemInform Abstract: Investigation of Inorganic Non-Stoichiometric Compounds. Part 40. The Niobium Oxide Fluorides NiNb14O35F2 and CoNb14O35F2
First published: October 23, 1990
Abstract
are prepared starting from mixtures M2+F2/Nb2O5 = 1:7 (M2+: Ni, Co) by chemical transport reactions in a temp. gradient (e.g.
ChemInform Abstract
are prepared starting from mixtures M2+F2/Nb2O5 = 1:7 (M2+: Ni, Co) by chemical transport reactions in a temp. gradient (e.g. 1200 → 1100 °C). As shown for the isostructural MgNb14O35F2, block structures are present, consisting of edge-sharing building elements of (3·5) M-X octahedra (X: O, F) in a monoclinic arrangement. HRTEM investigations show only few structural irregularities in the ideal structure.
