Results 31 to 40 of about 1,363 (225)

Macroscopic Polarization Change via Electron Transfer in a Valence Tautomeric Cobalt Complex

Nature Communications, 2020
Polarization change from directional electron transfer attracts considerable attention owing to its fast switching rate and potential light control. Here, the authors provide a proof-of-concept of electronic pyroelectricity induced by intramolecular ...
Shu-Qi Wu, Meijiao Liu, Kaige Gao, Shinji Kanegawa, Yusuke Horie, Genki Aoyama, Hajime Okajima, Akira Sakamoto, Michael L. Baker, Myron S. Huzan, Peter Bencok, Tsukasa Abe, Yoshihito Shiota, Kazunari Yoshizawa, Wenhuang Xu, Hui-Zhong Kou, Osamu Sato   +16 more
doaj   +1 more source

Infrared wavelength-specific gas sensing with pyroelectricity at room temperature

, 2023
Pyroelectricity is a phenomenon when electricity is generated upon the detection of temperature change. The pyroelectric effect occurs when spontaneous polarization changes result in charge accumulation on the material's surface.
Tan, Eric Meng Meng, Mitmit, Ceren, Goldenberg, Eda   +2 more
core   +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

Giant pyroelectricity via doping and interface engineering [PDF]

Pyroelectricity plays a crucial role in energy harvesting and sensing. High pyroelectric coefficients are the focus of optimizing pyroelectrics. Elevated pyroelectric coefficients not only contribute to the efficiency of energy conversion and signal ...
Yang, Ya, Huang, Houbing, Qian, Weiqi, Guo, Chong, Bowen, Chris R., Wang, Dingxin, Xu, Lan, Dan, Huiyu   +7 more
core   +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

Controlling Grain Growth in Powder Bed Fusion of Yttria‐Stabilized Zirconia Using Femtosecond Lasers: Challenges and Methodological Insights

Advanced Engineering Materials, EarlyView.
Binder‐free laser powder bed fusion of 8YSZ with a femtosecond laser is used to map process windows linking scan strategy, heat accumulation, and grain growth. Time‐resolved thermography and simulations reveal thermal regimes that enable continuous, vitrified, and fine‐grained 8YSZ surface layers without absorptive additives and demonstrate ...
Markus Kühn, Sarah Kaden, Andrea Barz, Daniel Störzner, Jens Bliedtner, Andrés Fabián Lasagni   +5 more
wiley   +1 more source

Pyroelectricity in langmuir-blodgett films [PDF]

, 1987
The fabrication of pyroelectric devices using the Langmuir-Blodgett (LB) technique is described. Studies of a wide range of materials are reported; however, the thesis concentrates on electrical and structural investigations of two specific alternate ...
Jones, C.A, Jones, Carole A.
core  

Surface Pyroelectricity in Cubic SrTiO₃

, 2019
Symmetry-imposed restrictions on the number of available pyroelectric and piezoelectric materials remain a major limitation as 22 out of 32 crystallographic material classes exhibit neither pyroelectricity nor piezoelectricity.
Christensen, Dennis Valbjørn, Nini Pryds, Igor Lubomirsky, Elena Meirzadeh, Ehre, David, Lahav, Meir, Lubomirsky, Igor, Evgeniy Makagon, Pryds, Nini, Andrew M. Rappe, Hagai Cohen, Rosenhek-Goldian, Irit, Meir Lahav, Rappe, Andrew M, Juan Maria G. Lastra, Makagon, Evgeniy, Arghya Bhowmik, Bhowmik, Arghya, Dennis V. Christensen, Cohen, Hagai, Erie H. Morales, David Ehre, Meirzadeh, Elena, Morales, Erie H, Irit Rosenhek‐Goldian, Lastra, Juan Maria G   +25 more
core   +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