Effect of Hydrostatic Pressure on the Phase Transition Temperature in [NH2(CH3)2]3Sb2Cl9

Effect of hydrostatic pressure up to 400 Mpa on the electric permittivity in [NH 2 (CH 3 ) 2 ] 3 Sb 2 Cl 9 was studied. The transition temperature (T c ) was found to increase with increasing pressure up to 150 MPa, passed through a maximum and than decrease with increasing pressure. Unexpected nonl...

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Bibliographic Details
Published in:Ferroelectrics 2004-01, Vol.302 (1), p.91-93
Main Authors: ZDANOWSKA-FRĄCZEK, M., JAKUBAS, R., KRUPSKI, M.
Format: Article
Language:English
Subjects:
A. chloroantimonates (III)
A. ferroelectric
Condensed matter: electronic structure, electrical, magnetic, and optical properties
D. dielectric permittivity
Dielectric properties of solids and liquids
Dielectric, piezoelectric, ferroelectric and antiferroelectric materials
Dielectrics, piezoelectrics, and ferroelectrics and their properties
E. high pressure
Exact sciences and technology
Ferroelectricity and antiferroelectricity
Permittivity (dielectric function)
Phase transitions and curie point
Physics
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Summary:Effect of hydrostatic pressure up to 400 Mpa on the electric permittivity in [NH 2 (CH 3 ) 2 ] 3 Sb 2 Cl 9 was studied. The transition temperature (T c ) was found to increase with increasing pressure up to 150 MPa, passed through a maximum and than decrease with increasing pressure. Unexpected nonlinear decreasing of T c with increasing pressure above 150 Mpa indicates the different mechanism of ferroelectric phase transition than that considered till now.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150190490456655