TITLE

Evolution of electric field amplitude dependent scaling behaviors in ferroelectric films over a broad temperature range

AUTHOR(S)
Yang, J.; Meng, X. J.; Shen, M. R.; Gao, C.; Sun, J. L.; Chu, J. H.
PUB. DATE
September 2008
SOURCE
Applied Physics Letters;9/1/2008, Vol. 93 Issue 9, p092908
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The evolution of the electric field amplitude (V0) dependent scaling of dynamic hysteresis area (A∝V0α) with the temperature in Mn doped (Pb,Sr)TiO3 film was analyzed. α exhibited different values under three temperature regions, where (1) the intrinsic ferroelectric domain nucleation, growth, and reversal, (2) the competition between the polar nanoregions and mobile defects, and (3) the Joule loss during long range movement of oxygen vacancies were demonstrated. This study provides a quantitative criterion to distinguish the intrinsic ferroelectric hysteresis from artificial one.
ACCESSION #
34360654

 

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