Contributions to the Investigation of Inorganic Non‐stoichiometric Compounds. XXXVI. Tungsten‐rich Solid Solution Series of (Nb, W)O x  Phases Having Block Structures – Preparation by Chemical Transport | Zendy

Hussain A. | Zendy; Gruehn R. | Zendy

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Contributions to the Investigation of Inorganic Non‐stoichiometric Compounds. XXXVI. Tungsten‐rich Solid Solution Series of (Nb, W)O x Phases Having Block Structures – Preparation by Chemical Transport

Author(s) -

Hussain A.,

Gruehn R.

Publication year - 1989

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19895710110

Subject(s) - solid solution , tungsten , stoichiometry , isothermal process , block (permutation group theory) , chemistry , octahedron , series (stratigraphy) , chemical formula , natural bond orbital , crystallography , inorganic chemistry , materials science , analytical chemistry (journal) , crystal structure , thermodynamics , molecule , organic chemistry , paleontology , physics , geometry , mathematics , biology

Attempts have been made to prepare crystals of solid solution series having block structures with building elements of [3×4], [4×4], [4×5], and [5×5] octahedra in the system Nb 2 O 5 /WO 3 /NbO 2 by chemical transport reactions with various transport agents. Crystals of about 6 mm in length of these compounds, however, have been prepared by a nearly isothermal chemical transport with HgCl 2 as a mineralizer. The compositional limit of the four solid solution series has been somewhat extended compared to reported values.

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