Dielectric response of disordered BaBi2Nb2O9perovskite ceramics

6533b827fe1ef96bd1285a0f

RESEARCH PRODUCT

Dielectric response of disordered BaBi2Nb2O9perovskite ceramics

M. Livinsh A. I. Burkhanov Maija Antonova V. N. Nesterov Anna Kalvane K. Bormanis Andris Sternberg Yu. V. Kochergin

subject

Permittivity History Phase transition Oxide minerals Materials science Condensed matter physics Dielectric Computer Science Applications Education visual_art Dispersion (optics)visual_art.visual_art_medium Relaxation (physics)Ceramic Perovskite (structure)

description

Studies of dielectric properties of BaBi2Nb2O9 ceramics are reported. Considerable dispersion of ?* at low- and infra-low frequencies has been revealed in the region of the diffused phase transition. Dispersion of ?* is divided into ''low-temperature'' dispersion related to relaxation of polar formations and their boundaries and ''high-temperature'' dispersion (at T ? Tm) the main contribution to which comes from Maxwell-Wagner relaxation.

year	journal	country	edition	language
2007-12-01	Journal of Physics: Conference Series

https://doi.org/10.1088/1742-6596/93/1/012018

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