Acta Physica Sinica, Volume. 69, Issue 12, 127701-1(2020)
Fig. 1. (a) Polarization and (b) reciprocal of permittivity of BaTiO3 as a function of temperature at various external electric fields.
Fig. 2. 
derived from
Fig. 3. (a) Permittivity of P(VDF-TrFE) 55 mol%/45 mol% as a function of electric field and temperature; (b) reciprocal of permittivity as a function of temperature and electric field; (c)
as a function of electric field and linear fitting, and the solid line occurred is guided for observation.
Fig. 4. (a) Reciprocal of permittivity of the (P(VDF-TrFE-CFE)) 69.7 mol%/30.3 mol%/6.05 mol% as a function of temperature and electric field; (b) the corresponding
as a function of electric field.
Fig. 5. (a) Reciprocal of permittivity of Ba0.85Ca0.05Sr0.1TiO3 ceramics as a function of temperature and electric field; (b) the corresponding
as a function of electric field.
Fig. 6. Electrocaloric strength (d
Table 1. Parameters of BaTiO3 used for theoretical simulation[15].
View tableView in ArticleTable 1. Parameters of BaTiO3 used for theoretical simulation[15].
唯象系数符号 唯象系数数值 a0 1.15 × 106 b –5.24 × 109 c 2.16 × 1010
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Sheng-Guo Lu, Dan-Dan Li, Xiong-Wei Lin, Xiao-Dong Jian, Xiao-Bo Zhao, Ying-Bang Yao, Tao Tao, Bo Liang.
Received: Feb. 27, 2020
Accepted: --
Published Online: Dec. 8, 2020
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