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Pyroelectric thin films—Past, present, and future
APL Materials ( IF 6.1 ) Pub Date : 2021-01-22 , DOI: 10.1063/5.0035735
Gabriel Velarde 1 , Shishir Pandya 1 , J. Karthik 2 , David Pesquera 1, 3 , Lane W. Martin 1, 4
Affiliation  

Pyroelectrics are a material class that undergoes a change in polarization as the temperature of the system is varied. This effect can be utilized for applications ranging from thermal imaging and sensing to waste-heat energy conversion to thermally driven electron emission. Here, we review recent advances in the study and utilization of thin-film pyroelectrics. Leveraging advances in modeling, synthesis, and characterization has provided a pathway forward in one of the more poorly developed subfields of ferroelectricity. We introduce the complex physical phenomena of pyroelectricity, briefly explore the history of work in this space, and highlight not only new advances in the direct measurement of such effects but also how our ability to control thin-film materials is changing our understanding of this response. Finally, we discuss recent advances in thin-film pyroelectric devices and introduce a number of potentially new directions the field may follow in the coming years.

中文翻译:

热电薄膜-过去,现在和未来

热释电是随着系统温度变化而发生极化变化的材料类别。这种效应可用于从热成像和传感到废热能量转换到热驱动电子发射的各种应用。在这里,我们回顾薄膜热电学的研究和利用的最新进展。利用建模,合成和表征方面的先进技术,为铁电发展较差的子领域之一提供了一条前进的道路。我们介绍了热电的复杂物理现象,简要探索了该空间中的工作历史,不仅着重介绍了直接测量此类效应的新进展,而且着重介绍了我们控制薄膜材料的能力如何改变了我们对此反应的理解。最后,
更新日期:2021-01-29
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