电热效应
材料科学
兴奋剂
相变
凝聚态物理
相(物质)
熵(时间箭头)
热力学
电场
活化能
相变
能量(信号处理)
作者
Yongqing Zhao,Wen‐Hua Li,Xin-Gui Tang,Zhongbao Jian,Lin Zhang,Xiangcheng Zhu,Yu Liang,Yanping Jiang,Xiaobin Guo,Kai Yan
摘要
Sn 4+ doping in PbHfO 3 films lowers the antiferroelectric–ferroelectric (AFE–FE) energy barrier, improving polarization. By increasing the entropy change (Δ S ), it significantly enhances the negative electrocaloric effect (NECE).
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