Like its stoichiometric predecessors, tetragonal ScF2.76showed the tendency to undergo structural evolution under pressure. A new polymorph modification of scandium fluoride deficient in fluorine has been prepared after treatment at 40 kbar. The compound belongs in a cubic system, lattice parameter a=6.503 Å. The structural relationships with other forms of scandium fluoride and possible applications are discussed. © 2006 Elsevier Ltd. All rights reserved.
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