反铁电材料中负电卡效应的研究进展

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反铁电材料中负电卡效应的研究进展

吴明¹(

), 肖娅男¹, 李华强¹, 刘泳斌¹, 高景晖¹(

), 钟力生¹, 娄晓杰²

Negative Electrocaloric Effects in Antiferroelectric Materials: a Review

WU Ming¹(

), XIAO Yanan¹, LI Huaqiang¹, LIU Yongbin¹, GAO Jinghui¹(

), ZHONG Lisheng¹, LOU Xiaojie²

图7. 不同电场下PbZrO₃、(Pb_0.97,La_0.02)(Zr_0.95,Ti_0.05)O₃和B位非化学计量比(Pb_0.97,La_0.02)(Zr_0.95,Ti_0.05)₁₊_yO₃ (y=-0.03, -0.01, 0.01, 0.03)陶瓷的负电卡效应

Fig. 7. Negative electrocaloric effects of PbZrO₃, (Pb_0.97,La_0.02)(Zr_0.95,Ti_0.05)O₃ and B-site nonstoichiometric (Pb_0.97,La_0.02)(Zr_0.95,Ti_0.05)₁₊_yO₃ (y=-0.03, -0.01, 0.01, 0.03) ceramics under different electric fields
(a) PbZrO₃^[34]; (b) (Pb_0.97,La_0.02)(Zr_0.95,Ti_0.05)O₃^[35]; (c) B-site nonstoichiometric (Pb_0.97,La_0.02)(Zr_0.95,Ti_0.05)₁₊_yO₃ (y=-0.03, -0.01, 0.01, 0.03)^[36]
Colorful figures are available on website