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Polarization and strain response in Bi0.5K0.5TiO3-BiFeO3 ceramics

Morozov, Maxim; Einarsrud, Mari-Ann; Grande, Tor
Journal article, Peer reviewed
Accepted version
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BKT_BFO_APL_rev1.pdf (736.1Kb)
URI
http://hdl.handle.net/11250/2456941
Date
2012
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  • Institutt for materialteknologi [2776]
  • Publikasjoner fra CRIStin - NTNU [41954]
Original version
10.1063/1.4772588
Abstract
Highly dense and phase-pure ferroelectric ceramics in the (1-x)Bi0.5K0.5TiO3–xBiFeO3 system have been prepared and examined in a wide range of composition (0.1 ≤ x ≤ 0.9). The dielectric and electromechanical properties have been shown to reach a maximum value at x ≈ 0.25 demonstrating a high strain performance (250–370 pm/V in the temperature range 25–175 °C). Stability of the strain response with respect to temperature, as well as frequency and amplitude of the driving electric field is reported and discussed.
Publisher
AIP Publishing
Journal
Applied Physics Letters

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