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Universal domain wall dynamics in ferroelectrics and relaxors
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Kleemann, W., Dec, J., Prosandeev, S. A., Braun, T. and Thomas, Pam A. (2006) Universal domain wall dynamics in ferroelectrics and relaxors. In: 11th International Meeting on Ferroelectricity (IMF-11), Iguassu Falls, BRAZIL, SEP 05-09, 2005. Published in: FERROELECTRICS, 334 pp. 3-10. doi:10.1080/00150190600689605 ISSN 0015-0193.
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Official URL: http://dx.doi.org/10.1080/00150190600689605
Abstract
The ac susceptibility of the uniaxial relaxor strontium barium niobate, Sr-0.61 Ba0.39Nb2O6, the quantum ferroelectric strontium titanate, (SrTiO3)-O-18, and the periodically, poled superionic ferroelectric potassium titanyl phosphate, KTiOPO4, reveals different modes in dependence on the frequency. Relaxation of domain wall segments and creep, respectively, are connected by a dynamical transition with universal properties as described by the scaling theory of domain walls in random media. The depinning frequency obeys Arrhenius activation, and dielectric non-linearity sets in when entering the creep regime from high frequencies.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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Journal or Publication Title: | FERROELECTRICS | ||||
Publisher: | TAYLOR & FRANCIS LTD | ||||
ISSN: | 0015-0193 | ||||
Official Date: | 2006 | ||||
Dates: |
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Volume: | 334 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 3-10 | ||||
DOI: | 10.1080/00150190600689605 | ||||
Publication Status: | Published | ||||
Title of Event: | 11th International Meeting on Ferroelectricity (IMF-11) | ||||
Location of Event: | Iguassu Falls, BRAZIL | ||||
Date(s) of Event: | SEP 05-09, 2005 |
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