Ferroelectrets: Heterogenous polymer electrets with high piezoelectric sensitivity for transducers

被引:6
作者
Qiu, Xunlin [1 ]
Fang, Peng [2 ]
Mellinger, Axel [3 ]
Altafim, Ruy Alberto Pisani [4 ]
Wirges, Werner [5 ]
Gidion, Gunnar [6 ]
Rychkov, Dmitry [7 ]
机构
[1] East China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai Key Lab Intelligent Sensing & Detect Tech, Shanghai 200237, Peoples R China
[2] Chinese Acad Sci, Shenzhen Inst Adv Technol, Key Lab Human Machine Intelligence Synergy Syst, Shenzhen 518055, Peoples R China
[3] Cent Michigan Univ, Dept Phys, 223 Dow Sci Complex, Mt Pleasant, MI 48859 USA
[4] Univ Fed Paraiba, Informat Ctr, Comp Syst Dept, Joao Pessoa, PB, Brazil
[5] Univ Potsdam, Dept Phys & Astron, Brandenburg, Germany
[6] Univ Freiburg, Dept Microsyst Engn IMTEK, Lab Elect Instrumentat, Georges Kohler Allee 106, D-79110 Freiburg, Germany
[7] Deggendorf Inst Technol, Technol & Study Ctr Weissenburg, Weissenburg, Bavaria, Germany
基金
中国国家自然科学基金;
关键词
Ferroelectret; piezoelectret; space-charge electret; transducer; advanced functional materials; DIELECTRIC-BARRIER DISCHARGES; SUPERCRITICAL CARBON-DIOXIDE; CELLULAR POLYPROPYLENE FILMS; ELECTROMECHANICAL PROPERTIES; POLYETHYLENE FILMS; THERMAL-STABILITY; D(33) COEFFICIENT; CHARGE STABILITY; COPOLYMER FILMS; SINGLE;
D O I
10.1142/S2010135X23410096
中图分类号
O59 [应用物理学];
学科分类号
摘要
Nowadays, the demand for advanced functional materials in transducer technology is growing rapidly. Piezoelectric materials transform mechanical variables (displacement or force) into electrical signals (charge or voltage) and vice versa. They are interesting from both fundamental and application points of view. Ferrooelectrets (also called piezoelectrets) are a relatively young group of piezo-, pyro- and ferroelectric materials. They exhibit ferroic behavior phenomenologically undistinguishable from that of traditional ferroelectrics, although the materials per se are essentially non-polar space-charge electrets with artificial macroscopic dipoles (i.e., internally charged cavities). A lot of work has been done on ferroelectrets and their applications up to now. In this paper, we review and discuss mostly the work done at University of Potsdam on the research and development of ferroelectrets. We will, however, also mention important results from other teams, and prospect the challenges and future progress trend of the field of ferroelectret research.
引用
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页数:24
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