Broad-band dielectric response of 0.5Ba(Ti.sub.0.8./sub.Zr.sub.0.2./sub.)O-.sub.3./sub.-0.5(Ba.sub.0.7./sub.Ca.sub.0.3./sub.)TiO.sub.3./sub. piezoceramics: soft and central mode behaviour

0466265 - FZÚ 2017 RIV GB eng J - Článek v odborném periodiku
Kamba, Stanislav - Simon, Elizabeth - Skoromets, Volodymyr - Bovtun, Viktor - Kempa, Martin - Pokorný, Jan - Savinov, Maxim - Koruza, J. - Malič, B.
Broad-band dielectric response of 0.5Ba(Ti_0.8Zr_0.2)O-₃-0.5(Ba_0.7Ca_0.3)TiO₃ piezoceramics: soft and central mode behaviour.
Phase Transitions. Roč. 89, č. 7-8 (2016), s. 785-793. ISSN 0141-1594. E-ISSN 1029-0338
Grant CEP: GA MŠMT(CZ) LD15014
Institucionální podpora: RVO:68378271
Klíčová slova: Dielectric spectroscopy * lead-free piezoelectrics * soft mode * central mode * phonons * polar nanoregions * infrared * terahertz * Raman spectroscopy
Kód oboru RIV: BM - Fyzika pevných látek a magnetismus
Impakt faktor: 1.060, rok: 2016

Dielectric properties of 0.5Ba(Ti0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3 ceramics were probed in the frequency range from 10 Hz to 100 THz in a broad temperature range (10-900 K).The phase transitions strongly resemble a crossover between the displacive and order-disorder type.
Trvalý link: http://hdl.handle.net/11104/0264606