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| Hauptseite > Publikationsdatenbank > Non-linear properties of BaTiO3 above Tc |
| Hauptseite > Publikationsdatenbank > Non-linear properties of BaTiO3 above Tc |
| Journal Article | PreJuSER-3384 |
; ;
2008
Taylor & Francis
London [u.a.]
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Please use a persistent id in citations: doi:10.1080/00150190802438025
Abstract: Although numerous papers on physical properties of the BaTiO3 crystal can be found in literature, there is a lack of tentative studies of its properties in temperature range close to but above T-C. That is why investigations of temperature dependence of the dielectric properties, electrostrictive strain and thermal expansion have been undertaken. Results obtained point to non-linear behaviour of all these properties even tens degrees above TC. Especially the non-linear thermal expansion, first time measured in detail for BaTiO3 above TC, implies the existence of micro/nano-polar regions whose temperature stability and sizes are responsible for temperature hysteresis above T-C.
Keyword(s): J ; Electrostriction (auto) ; thermal expansion (auto) ; polar regions (auto)
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