Results 31 to 40 of about 9,169,325 (384)

Giant Piezoelectric Response in Superionic Polar Semiconductor

Advanced Electronic Materials, 2018
A lead‐free piezoelectric material whose performance is comparable to that of market‐dominant lead‐based ones has been strongly desired for the development of environmentally friendly piezoelectric devices.
Yuki Shiomi, Tomoki Akiba, Hidefumi Takahashi, Shintaro Ishiwata   +3 more
doaj   +1 more source

Multi-variable port Hamiltonian model of piezoelectric material [PDF]

, 2004
In this paper, the dynamics of a piezoelectric material is presented within the new framework of multi-variable distributed port Hamiltonian systems. This class of infinite dimensional system is quite general, thus allowing the description of several ...
Macchelli, A., Macchelli, Alessandro, Melchiorri, Claudio, van der Schaft, Arjan   +3 more
core   +4 more sources

A Global Optimization Method to Determine the Complex Material Constants of Piezoelectric Bars in the Length Thickness Extensional Mode

Actuators, 2021
Optimization methods have been used to determine the elastic, piezoelectric, and dielectric constants of piezoelectric materials from admittance or impedance measurements.
Xiangming Xiong, Xiaotian Li
doaj   +1 more source

Finite element analysis of vibration energy harvesting using lead-free piezoelectric materials: A comparative study

Journal of Asian Ceramic Societies, 2014
In this article, the performance of various piezoelectric materials is simulated for the unimorph cantilever-type piezoelectric energy harvester. The finite element method (FEM) is used to model the piezolaminated unimorph cantilever structure. The first-
Anuruddh Kumar, Anshul Sharma, Rajeev Kumar, Rahul Vaish, Vishal S. Chauhan   +4 more
doaj   +1 more source

Flexible Piezoelectric Energy Harvesting from Mouse Click Motions

Sensors, 2016
In this paper, we study energy harvesting from the mouse click motions of a robot finger and a human index finger using a piezoelectric material. The feasibility of energy harvesting from mouse click motions is experimentally and theoretically assessed ...
Youngsu Cha, Jin Hong, Jaemin Lee, Jung-Min Park, Keehoon Kim   +4 more
doaj   +1 more source

Design and Analysis of a While-Drilling Energy-Harvesting Device Based on Piezoelectric Effect

Energies, 2021
A while-drilling energy harvesting device is designed in this paper to recovery energy along with the longitudinal vibration of the drill pipes, aiming to serve as a continuous power supply for downhole instruments during the drilling procedure.
Jun Zheng, Bin Dou, Zilong Li, Tianyu Wu, Hong Tian, Guodong Cui   +5 more
doaj   +1 more source

Optimization of cantilever piezoelectric harvester to triangular shape with material reduction using finite element analysis

Heliyon
The paper studies the piezoelectric output performance of a piezoelectric harvester with four piezoceramic layers, assessing if the piezoelectric material can be reduced.
Claudia Săvescu, Daniel Comeagă, Adrian Stoicescu   +2 more
doaj   +1 more source

Elastic, dielectric and piezoelectric anomalies and Raman spectroscopy of 0.5Ba(Ti0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3

, 2012
The solid solution 0.5Ba(Ti0.8Zr0.2)O3-0.5(Ba0.7Ca0.3)TiO3 (BCZT) is a promising lead-free piezoelectric material with exceptionally high piezoelectric coefficients. The strong response is related to structural instabilities close to ambient temperature.
Alberto Biancoli, Amirhossein Vahabzadeh, Dragan Damjanovic, Jaffe B., Joe Trodahl, Leili Batooli   +5 more
core   +1 more source

Self-Powered 2D Material-Based pH Sensor and Photodetector Driven by Monolayer MoSe2 Piezoelectric Nanogenerator.

ACS Applied Materials and Interfaces, 2020
The large piezoelectricity of monolayer MoSe2, which is predicted to be stronger than that of all of the other group VIB transition-metal dichalcogenides (including MoS2), has only been theoretically investigated. Here, we report experimental evidence of
Peng Li, Zekun Zhang
semanticscholar   +1 more source

Research and fabrication of bimetallic plate transducer based on finite element analysis

Materials & Design
By enhancing the type 1–3 piezoelectric composite material, a highly sensitive hydroacoustic transducer sensitive element structure is suggested for uses in sonar systems, such as small target identification and fine imaging.
Yudan Lan, Lili Xia, Hongwei Wang, Zhaoxian Yu, Zhen Shao, Sujie Jing   +5 more
doaj   +1 more source