期刊
APPLIED PHYSICS LETTERS
卷 110, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4983366
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资金
- Swiss National Science Foundation [200021-159603]
- Swiss National Science Foundation (SNF) [200021_159603] Funding Source: Swiss National Science Foundation (SNF)
The dynamic dielectric nonlinearity of barium strontium titanate (Ba1-x, Sr-x) TiO3 ceramics is investigated in their paraelectric phase. With the goal to contribute to the identification of the mechanisms that govern the dielectric nonlinearity in this family, we analyze the amplitude and the phase angles of the first and the third harmonics of polarization. Our study shows that an interpretation of the field-dependent polarization in paraelectric (Ba1-x, Sr-x) TiO3 ceramics in terms of the Rayleigh-type dynamics is inadequate for our samples and that their nonlinear response rather resembles that observed in canonical relaxor Pb(Mg1/3Nb2/3) O-3. Published by AIP Publishing.
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