Effect of texturing on polarization switching dynamics in ferroelectric ceramics

Sergey Zhukov, Yuri A. Genenko, Jurij Koruza, Jan Schultheiß, Heinz Von Seggern, Wataru Sakamoto, Hiroki Ichikawa, Tatsuro Murata, Koichiro Hayashi, Toshinobu Yogo

Research output: Contribution to journalArticle

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Abstract

Highly (100),(001)-oriented (Ba 0 . 85 Ca 0 . 15 )TiO 3 (BCT) lead-free piezoelectric ceramics were fabricated by the reactive templated grain growth method using a mixture of plate-like CaTiO 3 and BaTiO 3 particles. Piezoelectric properties of the ceramics with a high degree of texture were found to be considerably enhanced compared with the BCT ceramics with a low degree of texture. With increasing the Lotgering factor from 26% up to 94%, the piezoelectric properties develop towards the properties of a single crystal. The dynamics of polarization switching was studied over a broad time domain of 8 orders of magnitude and was found to strongly depend on the degree of orientation of the ceramics. Samples with a high degree of texture exhibited 2-3 orders of magnitude faster polarization switching, as compared with the ones with a low degree of texture. This was rationalized by means of the Inhomogeneous Field Mechanism model as a result of the narrower statistical distribution of the local electric field values in textured media, which promotes a more coherent switching process. The extracted microscopic parameters of switching revealed a decrease of the critical nucleus energy in systems with a high degree of texture providing more favorable switching conditions related to the enhanced ferroelectric properties of the textured material.

Original languageEnglish
Article number012907
JournalApplied Physics Letters
Volume108
Issue number1
DOIs
Publication statusPublished - Jan 4 2016
Externally publishedYes

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textures
ceramics
polarization
piezoelectric ceramics
statistical distributions
nuclei
electric fields
single crystals
energy

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Zhukov, S., Genenko, Y. A., Koruza, J., Schultheiß, J., Von Seggern, H., Sakamoto, W., ... Yogo, T. (2016). Effect of texturing on polarization switching dynamics in ferroelectric ceramics. Applied Physics Letters, 108(1), [012907]. https://doi.org/10.1063/1.4939684

Effect of texturing on polarization switching dynamics in ferroelectric ceramics. / Zhukov, Sergey; Genenko, Yuri A.; Koruza, Jurij; Schultheiß, Jan; Von Seggern, Heinz; Sakamoto, Wataru; Ichikawa, Hiroki; Murata, Tatsuro; Hayashi, Koichiro; Yogo, Toshinobu.

In: Applied Physics Letters, Vol. 108, No. 1, 012907, 04.01.2016.

Research output: Contribution to journalArticle

Zhukov, S, Genenko, YA, Koruza, J, Schultheiß, J, Von Seggern, H, Sakamoto, W, Ichikawa, H, Murata, T, Hayashi, K & Yogo, T 2016, 'Effect of texturing on polarization switching dynamics in ferroelectric ceramics', Applied Physics Letters, vol. 108, no. 1, 012907. https://doi.org/10.1063/1.4939684
Zhukov S, Genenko YA, Koruza J, Schultheiß J, Von Seggern H, Sakamoto W et al. Effect of texturing on polarization switching dynamics in ferroelectric ceramics. Applied Physics Letters. 2016 Jan 4;108(1). 012907. https://doi.org/10.1063/1.4939684
Zhukov, Sergey ; Genenko, Yuri A. ; Koruza, Jurij ; Schultheiß, Jan ; Von Seggern, Heinz ; Sakamoto, Wataru ; Ichikawa, Hiroki ; Murata, Tatsuro ; Hayashi, Koichiro ; Yogo, Toshinobu. / Effect of texturing on polarization switching dynamics in ferroelectric ceramics. In: Applied Physics Letters. 2016 ; Vol. 108, No. 1.
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