Pavlov, S.V. (2010) Phase Transitions Model in Epitaxial Thin Ferroelectric Film on the Substrate. Journal of NANO and MICROSYSTEM TECHNIQUE (3).
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The phenomenological model of phase transitions in thin films of a ferroelectric material with the account, both spatial inhomogeneous of polarization, and inhomogeneous of deformation, and also piezoelectric and electrostriction interactions of a film with a substrate is considered. Theoretical temperature dependences of spontaneous polarization, a polarizing profile and a heat capacity in a film, and also dependence of temperature of phase transition on a thickness of a film on a substrate are obtained. It is shown that theoretical dependences are in good agreement with experimental results for barium titanate thin films on a magnesium oxide substrate. Keywords: phenomenological model, a thin film, spontaneous polarization, a heat capacity, barium titanate
|Additional Information:||Full text is in Russian|
|Deposited By:||Prof. Alexey Ivanov|
|Deposited On:||08 Dec 2010 23:40|
|Last Modified:||09 Dec 2010 09:29|
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