Journal
APPLIED PHYSICS LETTERS
Volume 100, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3673555
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Funding
- NSF of China [50977001, 51073015]
- Ministry of Sciences and Technology of China [2010DFA51490]
- State Key Laboratory of Power System [SKLD09KZ03]
- Scientific Research Foundation of Graduate School of Beijing University of Chemical Technology [09Ma014]
- Fundamental Research Funds for the Central Universities [06103012, 06103011]
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Effects of inorganic nanoparticles size and thermal agitation on dielectric properties of BaTiO3/poly(vinylidene fluoride) (BT/PVDF) nanocomposite films at low frequency were studied. The dielectric properties of the BT/PVDF nanocomposite films with three kinds of diameters of BT nanoparticles loading at 50 vol. % were studied in a wide frequency range from 10(-2) Hz to 10(7) Hz by two measured processes. A significant low-frequency dielectric permittivity increase and the difference in dielectric properties between two measured processes were discussed. Interfacial polarization, crystal phase effect, and thermal agitation are considered to analyze the significant increase and difference in dielectric behaviors. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3673555]
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