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9. (Pb_0.97La_0.02)(Zr_0.66Sn_0.23Ti_0.11)O₃单晶、(Pb_0.97La_0.02)(Zr_0.66Sn_0.27Ti_0.07)O₃单晶、(Pb_0.97La_0.02)(Zr_0.80Sn_0.14Ti_0.06)O₃陶瓷和(Pb_0.97La_0.02)(Zr_xSn_0.94-_xTi_0.06)O₃陶瓷的电卡效应

Fig. 9. Electrocaloric effect of (Pb_0.97La_0.02)(Zr_0.66Sn_0.23Ti_0.11)O₃ single crystal, (Pb_0.97La_0.02)(Zr_0.66Sn_0.27Ti_0.07)O₃ single crystal, (Pb_0.97La_0.02)(Zr_0.80Sn_0.14Ti_0.06)O₃ ceramics, and (Pb_0.97La_0.02)(Zr_xSn_0.94-_xTi_0.06)O₃ ceramics
(a, b) Hysteresis loops and temperature change ΔT of the (Pb_0.97La_0.02)(Zr_0.66Sn_0.23Ti_0.11)O₃ single crystal^[9]; (c, d) Hysteresis loops and temperature change ΔT of the (Pb_0.97La_0.02)(Zr_0.66Sn_0.27Ti_0.07)O₃ single crystal^[40]; (e) Temperature change ΔT of the (Pb_0.97La_0.02)(Zr_0.80Sn_0.14Ti_0.06)O₃ ceramics^[39]; (f) Comparison of the temperature change in (Pb_0.97La_0.02)(Zr_xSn_0.94-_xTi_0.06)O₃ ceramics with other dielectric materials^[39]
Colorful figures are available on website