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Size-dependent ferroelectric phase transitions in nanocone particles
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SYSNO ASEP 0331799 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Size-dependent ferroelectric phase transitions in nanocone particles Title Rozměrově závislé feroelektrické fázové přechody v nanokónických částicích Author(s) Bykov, Pavlo (FZU-D)
Suchaneck, G. (DE)
Jastrabík, Lubomír (FZU-D) RID, ORCID
Dejneka, Alexandr (FZU-D) RID, ORCID
Bykov, I. P. (UA)
Gerlach, G. (DE)Source Title Ferroelectrics. - : Taylor & Francis - ISSN 0015-0193
Roč. 390, č. 1 (2009), s. 177-183Number of pages 7 s. Language eng - English Country GB - United Kingdom Keywords nanoparticles ; nanocone ; depolarization field ; size effects ; phase diagrams Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects KAN301370701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) 1M06002 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10100522 - FZU-D (2005-2011) UT WOS 000272607800024 DOI 10.1080/00150190903001037 Annotation We have performed a calculation of the size effect of dielectric susceptibility and pyroelectric coefficient in ferroelectric nanocones. We have shown that due to an enhancement of the ferroelectric-paraelectric transition temperature up to a factor of 2.5 compared to the bulk value Tc, pyroelectric response is expected far above Tc. This has consequences for the design of photothermal devices based on dielectric arrays of nanocones. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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