Giant Negative Electrocaloric Effect in Antiferroelectric La-Doped Pb(ZrTi)O3 Thin Films Near Room Temperature

被引：255
|
作者：
Geng, Wenping [1 ]
Liu, Yang [1 ,2 ]
Meng, Xiangjian [3 ,4 ]
Bellaiche, Laurent [5 ,6 ]
Scott, James F. [7 ,8 ]
Dkhil, Brahim [2 ]
Jiang, Anquan [1 ]
机构：
[1] Fudan Univ, State Key Lab ASIC & Syst, Sch Microelect, Shanghai 200433, Peoples R China
[2] Univ Paris Saclay, Lab Struct Proprietes & Modelisat Solides, Cent Supelec CNRS UMR8580, F-92295 Chatenay Malabry, France
[3] Chinese Acad Sci, Natl Lab Infrared Phys, Shanghai Inst Tech Phys, Shanghai 200083, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[5] Univ Arkansas, Dept Phys, Fayetteville, AR 72701 USA
[6] Univ Arkansas, Inst Nanosci & Engn, Fayetteville, AR 72701 USA
[7] Univ Cambridge, Dept Phys, Cavendish Lab, Cambridge CB3 0HE, England
[8] Univ St Andrews, Dept Chem & Phys, St Andrews KY16 9ST, Fife, Scotland
来源：
ADVANCED MATERIALS | 2015年 / 27卷 / 20期
基金：
上海市自然科学基金; 中国国家自然科学基金; 美国国家科学基金会;
关键词：
SOLID-STATE REFRIGERATION; LEAD-ZIRCONATE-TITANATE; PBZRO3;
D O I：
10.1002/adma.201501100
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Antiferroelectric thin films are demonstrated as a new class of giant electrocaloric materials that exhibit a negative electrocaloric response of about -5 K near room temperature. The giant negative electrocaloric effect may open up a new paradigm for light, compact, reliable, and high-efficiency refrigeration devices. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：3165 / 3169
页数：5
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