Low‐frequency 1/ f  noise in relaxor ferroelectric PMN–PZT | Zendy

Gridnev S. A. | Zendy; Tsotsorin A. N. | Zendy; Kalgin A. V. | Zendy

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Low‐frequency 1/ f noise in relaxor ferroelectric PMN–PZT

Author(s) -

Gridnev S. A.,

Tsotsorin A. N.,

Kalgin A. V.

Publication year - 2008

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200743423

Subject(s) - ferroelectricity , materials science , polar , permittivity , condensed matter physics , dielectric , relaxor ferroelectric , polarization (electrochemistry) , phase transition , relaxation (psychology) , noise (video) , ceramic , low frequency , nuclear magnetic resonance , analytical chemistry (journal) , chemistry , physics , optoelectronics , composite material , psychology , social psychology , astronomy , artificial intelligence , computer science , image (mathematics) , chromatography

The dielectric properties of relaxor ferroelectric ceramics (1 – x )PbMg 1/3 Nb 2/3 O 3 –( x )PbZr 0.53 Ti 0.47 O 3 (PMN–PZT) have been studied at various frequencies in the temperature range of the diffuse phase transition. Dispersion of the complex dielectric permittivity ε * characteristic for relaxors was revealed in the vicinity of the ε * maximum temperature T m . It has been determined that low‐frequency 1/ f noise in the studied system is mainly caused by the polarization relaxation in local polar regions and the spectral density of the noise depends on the relaxor composition and temperature. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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