Dielectric polarization in xPbZn1/3Nb2/3O3-(1-x)PbSc1/2Nb1/203 ferroelectric solid solutions

Karlis Bormanis; Anna Kalvane; Anver Burkhanov; Aleksey Alpatov; Maruta Dambekalne; Arkadiy Shil'nikov

doi:10.1117/12.639062

12 June 2006 Dielectric polarization in xPbZn_1/3Nb_2/3O₃-(1-x)PbSc_1/2Nb_1/20₃ ferroelectric solid solutions

Karlis Bormanis, Anna Kalvane, Anver Burkhanov, Aleksey Alpatov, Maruta Dambekalne, Arkadiy Shil'nikov

Proceedings Volume 5946, Optical Materials and Applications; 594604 (2006) https://doi.org/10.1117/12.639062
Event: Optical Materials and Applications, 2005, Tartu, Estonia

Abstract

Manifestation of relaxor properties in the xPbZn_1/3Nb_2/3O₃-(1-x)PbSc_1/2Nb_1/20₃ ceramic solid solution system, similar to those observed in lead magnesium niobates, are reported. Dependence of the effective dielectric permittivity and dielectric loss on the temperature at frequencies of 0.1-10 Hz and different measuring field amplitudes E₀ are examined ceramic samples of 0.05PbZn_1/3Nb_2/3O₃-0.95PbSc_1/2Nb_1/20₃. It is demonstrated that the temperature at which the dielectric permittivity has a maximum, T_m, decreases with the increase of E₀. The dependence of T_m on the frequency in both strong and weak fields is shown to follow the Vogel-Fulcher law, with Voger-Fulcher temperature decreasing with the increase of E₀. The results of the dielectric studies in the xPbZn_1/3Nb_2/3O₃-(1-x)PbSc_1/2Nb_1/20₃ system are discussed in terms of the transition from the paraelectric to ferroelectric phase through the relaxor and glass states.

Citation Download Citation

Karlis Bormanis, Anna Kalvane, Anver Burkhanov, Aleksey Alpatov, Maruta Dambekalne, and Arkadiy Shil'nikov "Dielectric polarization in xPbZn_1/3Nb_2/3O₃-(1-x)PbSc_1/2Nb_1/20₃ ferroelectric solid solutions", Proc. SPIE 5946, Optical Materials and Applications, 594604 (12 June 2006); https://doi.org/10.1117/12.639062

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