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

被引：256

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; 美国国家科学基金会; 中国国家自然科学基金;

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

页码：3165 / 3169

页数：5

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