Process of Formation of the Aurivillius Phase Bi 3 NbTiO 9  and Its Substitutes | Zendy

Missyul Alexander B. | Zendy; Kuzmova Tatiana G. | Zendy; Zvereva Irina A. | Zendy

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Process of Formation of the Aurivillius Phase Bi 3 NbTiO 9 and Its Substitutes

Author(s) -

Missyul Alexander B.,

Kuzmova Tatiana G.,

Zvereva Irina A.

Publication year - 2011

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.201000382

Subject(s) - aurivillius , isothermal process , substitution (logic) , phase (matter) , kinetics , materials science , crystallography , intermetallic , chemistry , thermodynamics , organic chemistry , metallurgy , computer science , physics , optoelectronics , quantum mechanics , dielectric , ferroelectricity , programming language , alloy

Two series of the magnetically substituted Aurivillius phases, Bi 3 NbTi 1– x Mn x O 9 and Bi 2 Ln NbTiO 9 ( Ln = Nd–Ho), were synthesized. The substitution was found to be limited in both cases. The formation mechanism of the unsubstituted compound Bi 3 NbTiO 9 was proposed on the basis of both isothermal and constant rate heating data. The stability of the derivatives of the intermediate compound Bi 4 Ti 3 O 12 appears to be responsible for the observed substitution limits. The kinetics of formation of Bi 3 NbTiO 9 from the binary oxides and the intermediate compounds were studied.

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