Preparation conditions and substitution influence on structure and dielectric properties of Pb2Mg1-xMnxWO6 compounds

To study the influence of the preparation conditions and Mn2+ substitution on the structure and antiferroelectric transition in Pb2MgWO6, XRD and dielectric constant measurements on Pb2Mg1-xMnxWO6-type compounds (x = 0, 0.01, 0.05, 0.1, 0.3 and 0.5) were made. Two kinds of Pb2MgWO6 sample were prepa...

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Veröffentlicht in:	Materials letters 1996-09, Vol.28 (1-3), p.175-177
Hauptverfasser:	BARBUR, I, ARDELEAN, I, BORODI, G, VERES, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Dielectric properties of solids and liquids Dielectrics, piezoelectrics, and ferroelectrics and their properties Exact sciences and technology Inorganic compounds Permittivity (dielectric function) Physics Structure of solids and liquids crystallography Structure of specific crystalline solids Water, oxides, hydroxides, peroxides
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Zusammenfassung:	To study the influence of the preparation conditions and Mn2+ substitution on the structure and antiferroelectric transition in Pb2MgWO6, XRD and dielectric constant measurements on Pb2Mg1-xMnxWO6-type compounds (x = 0, 0.01, 0.05, 0.1, 0.3 and 0.5) were made. Two kinds of Pb2MgWO6 sample were prepared which differed in their sintering conditions; 1000 C for 2 h and 1000 C for 4 h. Substitution of Mn for Mg resulted in a small increase in the lattice parameter. The Curie temperature increased linearly with Mn content. 7 refs.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/0167-577X(96)00047-X