Results 21 to 30 of about 612 (196)

Improvement of Pyroelectric Cells for Thermal Energy Harvesting

Sensors, 2012
This study proposes trenching piezoelectric (PZT) material in a thicker PZT pyroelectric cell to improve the temperature variation rate to enhance the efficiency of thermal energy-harvesting conversion by pyroelectricity.
Jing-Chih Ciou, An-Shen Siao, Chun-Ching Hsiao   +2 more
doaj   +1 more source

Improved Response of ZnO Films for Pyroelectric Devices

Sensors, 2012
Increasing the temperature variation rate is a useful method for enhancing the response of pyroelectric devices. A three-dimensional ZnO film was fabricated by the aerosol deposition (AD) rapid process using the shadow mask method, which induces lateral ...
Shih-Yuan Yu, Chun-Ching Hsiao
doaj   +1 more source

A Strip Cell in Pyroelectric Devices

Sensors, 2016
The pyroelectric effect affords the opportunity to convert temporal temperature fluctuations into usable electrical energy in order to develop abundantly available waste heat.
An-Shen Siao, Ching-Kong Chao, Chun-Ching Hsiao   +2 more
doaj   +1 more source

Composition-induced non-ergodic–ergodic transition and electrocaloric evolution in Pb(1−1.5x)La(x)Zr(0.8)Ti(0.2)O(3) relaxor ferroelectric ceramics

IET Nanodielectrics, 2019
Relaxor ferroelectrics, with polar nanoregions (PNRs), are good candidates for electrocaloric (EC) refrigeration. This study investigates the EC performance of the Pb(1−1.5x)La(x)Zr(0.8)Ti(0.2)O(3) relaxor ferroelectric ceramics by the direct measurement
Junjie Li, Ruowei Yin, Xiaopo Su, Jianting Li, Shiqiang Qin, Qiumei Wei, Mankang Zhu, Dong Guo, Lijie Qiao, Yang Bai   +9 more
doaj   +1 more source

Engineering the Defects and Microstructures in Ferroelectrics for Enhanced/Novel Properties: An Emerging Way to Cope with Energy Crisis and Environmental Pollution

Advanced Science, 2022
In the past century, ferroelectrics are well known in electroceramics and microelectronics for their unique ferroelectric, piezoelectric, pyroelectric, and photovoltaic effects.
Wen Dong, Hongyuan Xiao, Yanmin Jia, Long Chen, Huangfu Geng, Syed Ul Hasnain Bakhtiar, Qiuyun Fu, Yiping Guo   +7 more
doaj   +1 more source

Domain-Wall Enhanced Pyroelectricity

Physical Review X
Ferroelectric domain walls are not just static geometric boundaries between polarization domains; they are, in fact, dynamic and functional interfaces with the potential for diverse technological applications.
Ching-Che Lin, Yihao Hu, Jaegyu Kim, Djamila Lou, Ashwath Bhat, Pravin Kavle, Tae Yeon Kim, Chris Dames, Shi Liu, Lane W. Martin   +9 more
doaj   +1 more source

Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application

Advanced Materials, EarlyView.
This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong, You Zhou, Qingxiu Li, Wenyu Zhao, Sunyingyue Geng, Hangfei Li, Yan‐Bing Leng, Shirui Zhu, Guanglong Ding, Yongbiao Zhai, Ziyu Lv, Ye Zhou, Su‐Ting Han   +12 more
wiley   +1 more source

Design principles for optimizing pyroelectric responses of doped HfO2

Applied Physics Express
Ferroelectric HfO _2 is an emerging pyroelectric material with promising energy-harvesting applications. Herein, via ab-initio molecular dynamics simulations, we investigate the role of dopants in tailoring the pyroelectricity in ferroelectric HfO _2 ...
Jian Liu
doaj   +1 more source

Neuromorphic Electronics for Intelligence Everywhere: Emerging Devices, Flexible Platforms, and Scalable System Architectures

Advanced Materials, EarlyView.
The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj, Roshni Satheesh Babu, Yuxin Xia, Eva Bestelink, Radu Sporea, Nikos Hastas, Ioannis Zeimpekis, Dimitra G. Georgiadou, Sayani Majumdar   +8 more
wiley   +1 more source

Maximum self‐generated electric field induced by pyroelectricity of PZT 95/5

International Journal of Ceramic Engineering & Science, 2021
Electric field induced by pyroelectric effect is often observed in the ferroelectric devices when they subject to temperature change. But the maximum value of ferroelectric field is still unknown.
Fu‐Ping Zhang, Ling‐Feng Wu, Tao Zhang, Qing‐hai Xie, Yu‐Sheng Liu, Hong‐liang He, Yi‐Xuan Jiang, Heng‐Chang Nie   +7 more
doaj   +1 more source