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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
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Tunable micro- and nanomechanical resonators.

Wen-Ming Zhang1, Kai-Ming Hu2, Zhi-Ke Peng3

  • 1State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China. wenmingz@sjtu.edu.cn.

Sensors (Basel, Switzerland)
|October 27, 2015
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Summary
This summary is machine-generated.

This review explores micro- and nanomechanical resonators, focusing on frequency tuning methods. It covers active and passive techniques, influencing factors, and future directions for tunable resonator applications.

Keywords:
MEMS/NEMSfrequency tuningmicromechanical resonatornanomechanical resonatortuning process

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Area of Science:

  • Physics
  • Materials Science
  • Engineering

Background:

  • Micro- and nanomechanical resonators are gaining attention due to unique physical properties and potential applications.
  • Advances in fabrication enable novel resonator designs with tunable characteristics.

Purpose of the Study:

  • To review resonance behavior and frequency tuning principles in micro- and nanomechanical resonators.
  • To highlight influencing factors and challenges in resonator performance and applications.
  • To discuss active and passive frequency tuning methods and future directions.

Main Methods:

  • Review of existing literature on micro- and nanomechanical resonators.
  • Analysis of frequency tuning principles by altering mass or stiffness.
  • Evaluation of active (electrothermal, electrostatic, etc.) and passive tuning strategies.

Main Results:

  • Progress in graphene-based resonators and various structural designs (tuning electrode, fork, suspended channel).
  • Identification of key factors affecting resonator performance: large-amplitude, surface, and fluid effects.
  • Detailed assessment of active and passive tuning methods, including their advantages and disadvantages.

Conclusions:

  • Frequency tuning is crucial for micro- and nanomechanical resonator applications, with various active and passive methods available.
  • Challenges remain in integrating reliable and customizable tuning methods.
  • Future research should focus on further developing tunable micro- and nanomechanical resonators.