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Bulk dielectric and magnetic properties of PFW-PZT ceramics: absence of magnetically switched-off polarization
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SYSNO ASEP 0351438 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Bulk dielectric and magnetic properties of PFW-PZT ceramics: absence of magnetically switched-off polarization Author(s) Kempa, Martin (FZU-D) RID, ORCID
Kamba, Stanislav (FZU-D) RID, ORCID, SAI
Savinov, Maxim (FZU-D) RID, ORCID
Maryško, Miroslav (FZU-D) RID
Frait, Zdeněk (FZU-D) RID
Vaněk, Přemysl (FZU-D) RID, ORCID
Tomczyk, M. (PT)
Vilarinho, P. M. (PT)Source Title Journal of Physics-Condensed Matter. - : Institute of Physics Publishing - ISSN 0953-8984
Roč. 22, č. 44 (2010), 445902/1-445902/5Number of pages 5 s. Language eng - English Country GB - United Kingdom Keywords dielectric and magnetic properties ; ceramics ; polarization ; phase transitions Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/09/0682 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100520 - FZU-D (2005-2011) AV0Z10100521 - FZU-D (2005-2011) UT WOS 000283347400016 DOI 10.1088/0953-8984/22/44/445902 Annotation We investigated ceramic solid solutions of [PbFe2/3W1/3O 3 3]x–[PbZr0.53Ti0.47O3]1-x (PFWx–PZT1-x, x = 0.2 and 0.3) by dielectric spectroscopy, DSC, and SQUID magnetometry. We did not confirm previous observations on reversible suppression of ferroelectric polarization in PFWx–PZT1-x thin films for magnetic fields above 0.5 T. We did not observe any change of ferroelectric polarization with external magnetic fields up to 3.2 T. Our data revealed classical ferroelectric properties, and paramagnetic behavior was observed down to 4.5 K instead of previously reported relaxor magnetic behavior. It seems that the reported switching-off of ferroelectric polarization in the films is not an intrinsic property. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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