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
), 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
), XIAO Yanan1, LI Huaqiang1, LIU Yongbin1, GAO Jinghui1(), ZHONG Lisheng1, LOU Xiaojie2
图4. 反铁电材料中的电畴、电滞回线和产生负电卡效应的可能机制示意图[
Fig. 4. Electric domain and representative hysteresis loop of antiferroelectrics, schematic of a possible mechanism of negative electrocaloric effect in antiferroelectrics[
Electric domain of antiferroelectrics (a) before and (b) after being polarized; (c) Representative hysteresis loop of antiferroelectrics; Schematic of a possible mechanism of negative ECE in antiferroelectrics (d1) without any electric field and (d2) under a modest electric field
