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| Description
| - In this work, we study theoretically and experimentally the linear and nonlinear dielectric response in a system where the extrinsic permittivity is controlled by bending movements of pinned 180deg domain walls. We calculated the linear and nonlinear extrinsic contribution to permittivity and discovered a quadratic relationship between them, which is a feature quite different from that of the lattice contribution derived from Landau theory. We show that, from measured values of linear and nonlinear permittivity, it is possible to determine the configuration of the 180deg domain pattern and the concentration of the pinning centers in the ferroelectric. Therefore, our results can be used as a simple and useful tool for getting a deeper insight into the configuration of the domain pattern and the quality of the ferroelectric thin films, which is demonstrated on data obtained from [111] oriented PZT (45/55) thin film.
- In this work, we study theoretically and experimentally the linear and nonlinear dielectric response in a system where the extrinsic permittivity is controlled by bending movements of pinned 180deg domain walls. We calculated the linear and nonlinear extrinsic contribution to permittivity and discovered a quadratic relationship between them, which is a feature quite different from that of the lattice contribution derived from Landau theory. We show that, from measured values of linear and nonlinear permittivity, it is possible to determine the configuration of the 180deg domain pattern and the concentration of the pinning centers in the ferroelectric. Therefore, our results can be used as a simple and useful tool for getting a deeper insight into the configuration of the domain pattern and the quality of the ferroelectric thin films, which is demonstrated on data obtained from [111] oriented PZT (45/55) thin film. (en)
- V této práci teoreticky a experimentálně studujeme lineární a nelineární dielektrickou odezvu v systému, ve kterém je vnější příspěvek k permitivitě dominován ohybovými pohyby 180° doménových stěn. Spočítali jsme lineární a nelineární příspěvek k vnější permitivitě a zjistili mezi nimi kvadratickou závislost, což je výsledek zcela odlišný od případu vnitřního příspěvku odvozeného v rámci Landauovy teorie. Ukazujeme, že z naměřených hodnot lineární a nelineární permitivity, je možné určit konfiguraci 180° doménové struktury a koncentraci defektů ve feroelektriku. Naše výsledky proto mohou být jako jednoduchý a užitečný nástroj pro získání lepší znalosti konfigurace doménové struktury ve feroelektrických tenkých filmech, což je demonstrováno na datech obdržených na [111] orientovaných tenkých filmech PZT (45/55). (cs)
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| Title
| - Study of the evolution of 180° domain pattern microstructure using measurements of nonlinear permittivity
- Studium vývoje mikrokonfigurace 180° doménové struktury pomocí měření nelineární permittivity (cs)
- Study of the evolution of 180° domain pattern microstructure using measurements of nonlinear permittivity (en)
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| skos:prefLabel
| - Study of the evolution of 180° domain pattern microstructure using measurements of nonlinear permittivity
- Studium vývoje mikrokonfigurace 180° doménové struktury pomocí měření nelineární permittivity (cs)
- Study of the evolution of 180° domain pattern microstructure using measurements of nonlinear permittivity (en)
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| skos:notation
| - RIV/46747885:24220/07:#0000208!RIV08-GA0-24220___
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/46747885:24220/07:#0000208
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - ferroelectric domain pattern; dielectric nonlinearity; dielectric ageing; extrinsic contributions (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Sixteenth IEEE International Symposium on Applications of Ferroelectrics, 2007. ISAF 2007.
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Mokrý, Pavel
- Stolichnov, I.
- Wang, Y.
- Tagantsev, A. K.
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| issn
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| https://schema.org/isbn
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| http://localhost/t...ganizacniJednotka
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