Ferroelectric soft mode and microwave dielectric relaxation in BaTiO3-PbMg1/3Nb2/3O3 ceramics

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F21%3A00543053" target="_blank" >RIV/68378271:_____/21:00543053 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevMaterials.5.014404" target="_blank" >https://doi.org/10.1103/PhysRevMaterials.5.014404</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevMaterials.5.014404" target="_blank" >10.1103/PhysRevMaterials.5.014404</a>

Result language
angličtina
Original language name
Ferroelectric soft mode and microwave dielectric relaxation in BaTiO3-PbMg1/3Nb2/3O3 ceramics
Original language description
BT-100x%PMN, x=0.075, 0.10, 0.15 were studied by the infrared reflectivity, time-domain terahertz transmission and microwave spectroscopies.The spectra show presence of a split soft phonon at all temperatures, similar to that observed in BT and PMN. Microwave dielectric dispersion was observed both below and above temperature of the diffuse permittivity maximum. The relaxations show no PMN-like freezing. So the ceramics cannot be considered as relaxor ferroelectrics, but rather as ferroelectrics with the diffuse phase transition.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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