Results 11 to 20 of about 3,316 (204)

Flexo-Pyroelectric Effect [PDF]

Research
Developing sustainable energy technologies is among the foremost challenges of this century and spawns the emergence of materials for ambient energy harvesting, such as photovoltaics, triboelectrics, and pyroelectrics.
Weihao Gao, Shuhai Liu, Yong Qin
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Enhanced Pyroelectric Response of Lithium Niobate Crystals for Infrared Detection Applications [PDF]

Sensors
This work addresses the low pyroelectric coefficient that limits the practical application of lithium niobate (LN) crystals. A defect modulation process based on reduction annealing treatment is proposed.
Chencheng Zhao, Ziqi Liu, Qinglian Li, Jun Sun, Jingjun Xu   +4 more
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Thermal-stress enhanced pyroelectricity in piezoelectric bimorphs [PDF]

Nature Communications
Enhancing pyroelectric performance is essential for advancing thermal sensing and energy-harvesting applications. This study presents an effective strategy to achieve highly enhanced pyroelectricity in a flexible polyvinylidene fluoride/mica bimorph ...
Ching-Min Su, Ching-Che Lin, Yi-Cheng Chen, Cheng-Xiu Liu, Yong-Jyun Wang, Yu Xu, Bobo Tian, Sicheng Lu, Cong Li, Chun-Gang Duan, Jan-Chi Yang, Che-Ning Yeh, Jyh-Ming Wu, Pu Yu, Yi-Chun Chen, Nien-Ti Tsou, Lane W. Martin, Ying-Hao Chu   +17 more
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High-accuracy characterization of pyroelectric materials: A noncontact method based on surface potential measurements

Journal of Advanced Dielectrics, 2023
The characterization of pyroelectric materials is essential for the design of pyroelectric-based devices. Pyroelectric current measurement is the commonly employed method, but can be complex and requires surface electrodes.
Reinhard Schwödiauer, Simona Bauer-Gogonea, Martin Kaltenbrunner, Volodymyr Tkachenko, Simonetta Grilli   +4 more
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An overview of pyroelectric photodetector: Photoresponse mechanisms and applications

AIP Advances, 2023
Recently, pyroelectric materials have gained significant interest for energy harvesting, sensing and detection, and so on. For photodetection, pyroelectric photodetectors show great advantages due to high-performance photo-sensing without an external ...
Junlong Tian
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Electrical response of lithium niobate and lithium tantalate thin films to modulated thermal radiation

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
In this work, we studied the pyroelectric activity of thin polycrystalline lithium niobate films fabricated by radio frequency magnetron sputtering and laser ablation, and thin polycrystalline lithium tantalate films fabricated by radio frequency ...
S.I. Gudkov, A.V. Solnyshkin, R.N. Zhukov, D.A. Kiselev   +3 more
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Proton Irradiation Effects on the Pyroelectric Properties of P‐Type Bismuth Antimonide/Poly(vinylidene fluoride–trifluoroethylene) Composite Films

Advanced Electronic Materials, 2023
Organic pyroelectric materials are widely applied as temperature sensors in wearable electronic devices due to their good biocompatibility and stability.
Chuanyang Cai, Hong Zhang, Bo Li, Zhijia Han, Fang Wang, Pengfei Hou, Weishu Liu   +6 more
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Pyroelectric Properties of Bismuth Borate BZBO Single Crystals

Crystals, 2021
Pyroelectric properties of orthorhombic Bi2ZnB2O7 (BZBO) crystals were investigated by using the charge integration method. The primary and the secondary pyroelectric coefficients of BZBO crystals were found to be 6.4 and −6.5 µC/(m2·°C), respectively ...
Feifei Chen, Chao Jiang, Xiufeng Cheng, Xian Zhao   +3 more
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Charge Density-Based Pyroelectric Vacuum Sensor

Research, 2023
A traditional thermal conductivity vacuum gauge mainly detects low pressure (the degree of vacuum) by measuring the temperature change of a filament heated by the electric current. We propose a novel pyroelectric vacuum sensor that utilizes the effect of
Lan Xu, Geng Huangfu, Yiping Guo, Ya Yang   +3 more
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Microstructured PVDF Film with Improved Performance as Flexible Infrared Sensor

Sensors, 2022
Polyvinylidene fluoride (PVDF) is a very promising material for fabricating flexible infrared sensors due to its ferroelectricity as well as excellent flexibility and low fabrication cost. This work focuses on improving PVDF’s pyroelectric performance by
Hongjian Guan, Weizhi Li, Ruilin Yang, Yuanjie Su, Hang Li   +4 more
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