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To cite this article: Brahim Elouadi & Fatzma-Ezzohra Mouahid (1987) Investigation of ferroelectric transitions in the binary system LiTaO 3 [sbnd] Fe 2 O 3 , Phase Transitions, 9:2, 221-224, Abstract A continuous s o l i d s o l u t i o n with t h e formula L i Ta Fe 0 O,@c,(.l25 has been i d e n t i f i e d . Hexagonal a a x i s decreases very s l i g h t l y with increasing Fe 0 content whereas simultaneously c passes through a maximum a t x z . 0 6 . This behaviour has been t e n t a t i v e l y explained on t h e b a s i s of repulsive f o r c e s . The f e r r o e l e c t r i c Curie temperature 3' decreases a s the composition d e v i a t e s from LiTaO

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