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Incipient ferroelectric properties of NaTaO.sub.3./sub
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SYSNO ASEP 0377895 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Incipient ferroelectric properties of NaTaO3./sub Author(s) Kamba, Stanislav (FZU-D) RID, ORCID, SAI
Goian, Veronica (FZU-D) RID, ORCID
Bovtun, Viktor (FZU-D) RID, ORCID, SAI
Nuzhnyy, Dmitry (FZU-D) RID, ORCID
Kempa, Martin (FZU-D) RID, ORCID
Spreitzer, M. (SI)
König, J. (SI)
Suvorov, D. (SI)Source Title Ferroelectrics. - : Taylor & Francis - ISSN 0015-0193
Roč. 426, SI (2012), s. 206-214Number of pages 9 s. Language eng - English Country GB - United Kingdom Keywords incipient ferroelectricity ; infrared and THz spectroscopy ; phonons ; microwave ceramics 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) UT WOS 000304266300028 DOI 10.1080/00150193.2012.671741 Annotation Microwave dielectric permittivity of NaTaO3 ceramics exhibits increase on cooling and saturation at low temperatures, which is typical for incipient ferroelectrics. The tem perature dependence of permittivity was successfully fit with the Barrett formula and explained by polar phonon softening detected in infrared reflectivity and THz transmision spectra. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2013
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