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Solid state metathesis synthesis of metal silicides; reactions of calcium and magnesium silicide with metal oxides

Nartowski, AM; Parkin, IP; (2002) Solid state metathesis synthesis of metal silicides; reactions of calcium and magnesium silicide with metal oxides. POLYHEDRON , 21 (2) 187 - 191.

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Abstract

Reactions of transition metal oxides (V2O3, V2O5, Nb2O5, LiNbO3, Ta2O5, LiTaO3, MoO3 and Li2MoO4) with lithium silicide (Li2Si) and calcium silicide- magnesium silicide mix (CaSi2, Mg2Si) could be initiated by grinding, flame, filament or bulk thermal methods to produce a range of single phase transition metal silicides (VSi2, NbSi2 and TaSi2) in good yields (approximately 90%). The silicides were characterised by X-ray powder diffraction, scanning electron microscopy (SEM), energy dispersive analysis by X-rays (EDAX), electron probe, FTIR and microelemental analysis. (C) 2002 Elsevier Science Ltd. All rights reserved.

Type:Article
Title:Solid state metathesis synthesis of metal silicides; reactions of calcium and magnesium silicide with metal oxides
Keywords:silicides, solid state metathesis, self-propagating, METATHETICAL SYNTHESIS, PRECURSOR SYNTHESIS, ROUTES, CHALCOGENIDES, DISILICIDES, LANTHANIDE, MOLYBDENUM, PHOSPHIDES, DISULFIDE, PNICTIDES
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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