Results 1 to 10 of about 354 (166)

Minimizing electrostatic interactions from piezoresponse force microscopy via capacitive excitation

Theoretical and Applied Mechanics Letters, 2020
Piezoresponse force microscopy (PFM) has emerged as one of the most powerful techniques to probe ferroelectric materials at the nanoscale, yet it has been increasingly recognized that piezoresponse measured by PFM is often influenced by electrostatic ...
Qingfeng Zhu, Ehsan Nasr Esfahani, Shuhong Xie, Jiangyu Li   +3 more
doaj   +3 more sources

A Resonant Pressure Microsensor Based on Double-Ended Tuning Fork and Electrostatic Excitation/Piezoresistive Detection

Sensors, 2018
This paper presents a resonant pressure microsensor relying on electrostatic excitation and piezoresistive detection where two double-ended tuning forks were used as resonators, enabling differential outputs.
Xiaoqing Shi, Yulan Lu, Bo Xie, Yadong Li, Junbo Wang, Deyong Chen, Jian Chen   +6 more
doaj   +3 more sources

Induction effects on the absorption maxima of photoreceptor proteins

Biophysics and Physicobiology, 2023
Multiscale simulations have been established as a powerful tool to calculate and predict excitation energies in complex systems such as photoreceptor proteins.
Jonathan R. Church, Jógvan Magnus Haugaard Olsen, Igor Schapiro   +2 more
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Modeling and Experimental Evaluation of Haptic Localization Using Electrostatic Vibration Actuators

IEEE Access, 2023
Touch screen devices have become ubiquitous in modern day-to-day lives. While smaller touchscreen devices provide enough user engagement with meaningful haptic feedback, large touch devices still lack meaningful haptic stimulation.
Santosh Mohan Rajkumar, Kumar Vikram Singh, Tae-Heon Yang, Jeong-Hoi Koo   +3 more
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Vibration Characteristic Measurement Method of MEMS Gyroscopes in Vacuum, High and Low Temperature Environment and Verification of Excitation Method

IEEE Access, 2021
A method for measuring vibration characteristics of MEMS (Micro Electro Mechanical System) is presented. This method aims to simulate a real environment where MEMS operates.
Wenhao Luo, Wei Su, Zhenhua Nie, Qinwen Huang, Shiyuan Li, Xianshan Dong   +5 more
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Excitation of VLF quasi-electrostatic oscillations in the ionospheric plasma [PDF]

Annales Geophysicae, 1996
A numerical solution of the dispersion equation for electromagnetic waves in a hot magnetized collisionless plasma has shown that, in a current-free ionospheric plasma, the distortion of the electron distribution function reproducing the downward flow
B. Lundin, C. Krafft, G. Matthieussent, F. Jiricek, J. Shmilauer, P. Triska   +5 more
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A Double-Ended Tuning Fork Based Resonant Pressure Micro-Sensor Relying on Electrostatic Excitation and Piezoresistive Detection

Proceedings, 2018
This study proposes a microfabricated resonant pressure sensor based on electrostatic excitation and low-impedance piezoresistive detection in which a pair of double-ended tuning forks were utilized as resonators for differential outputs.
Xiaoqing Shi, Yulan Lu, Bo Xie, Chao Xiang, Junbo Wang, Deyong Chen, Jian Chen   +6 more
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A three million Q factor tuning fork resonator based on a vibration isolation structure

AIP Advances, 2022
The quality factor (Q factor) is one of the most important parameters for a resonant sensor since it determines the performance of the resonant system. The mass distribution imbalance caused by the fabrication error has a great impact on the anchor loss,
Zilong Feng, Mengmeng Kong, Ruiqi Shi, Zhi Hua Feng   +3 more
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A Resonant Pressure Sensor Based upon Electrostatically Comb Driven and Piezoresistively Sensed Lateral Resonators

Micromachines, 2019
This study proposes a microfabricated resonant pressure sensor in which a pair of double-ended tuning forks were utilized as resonators where comb electrodes and single-crystal silicon-based piezoresistors were used for electrostatic excitation and ...
Xiaoqing Shi, Sen Zhang, Deyong Chen, Junbo Wang, Jian Chen, Bo Xie, Yulan Lu, Yadong Li   +7 more
doaj   +1 more source

Vibration analysis and pull-in instability behavior in a multiwalled piezoelectric nanosensor with fluid flow conveyance

Beilstein Journal of Nanotechnology, 2020
In this work, surface/interface effects for pull-in voltage and viscous fluid velocity effects on the dimensionless natural frequency of fluid-conveying multiwalled piezoelectric nanosensors (FC-MWPENSs) based on cylindrical nanoshells is investigated ...
Sayyid H. Hashemi Kachapi
doaj   +1 more source