Frequency tuning of nanowire resonator using electrostatic spring effect

Jihan Kwon, Jungwook Choi, Kwanoh Kim, Jaesam Sim, Jinho Kim, Jongbaeg Kim

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We have demonstrated resonant frequency tuning of nanowire resonator operated in both atmospheric circumstance and high vacuum environment using electrostatic spring-softening effect. The nanowire is synthesized at any desired position by focused ion beam-chemical vapor deposition (FIB-CVD) on the sidewall of batch-processed micro electrode. The resonant frequency in a vacuum chamber of 2.5 × 10-4 Pa is 1.564 MHz under the driving voltage of 5 VDC ± 5 VAC. When 30 VDC tuning bias is applied on tuning electrode, the resonant frequency is reduced to 1.529 MHz due to the electrostatic spring-softening effect while the driving bias is maintained. For the tuning bias of 60 V, the resonant frequency at atmospheric pressure has been tuned from 1.49 MHz to 1.41 MHz under the driving voltage of 30 VDC ± 10 VAC. The method demonstrated both in high vacuum and at atmospheric pressure is a simple and effective way to tune the deviated resonant frequency of nanowire resonator to the desired value without the alteration of the structure or post fabrication process.

Original languageEnglish
Article number4815997
Pages (from-to)2332-2335
Number of pages4
JournalIEEE Transactions on Magnetics
Volume45
Issue number5
DOIs
Publication statusPublished - 2009 May 1

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Nanowires
Resonators
Electrostatics
Natural frequencies
Tuning
Vacuum
Atmospheric pressure
Electrodes
Focused ion beams
Electric potential
Chemical vapor deposition
Fabrication

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Kwon, Jihan ; Choi, Jungwook ; Kim, Kwanoh ; Sim, Jaesam ; Kim, Jinho ; Kim, Jongbaeg. / Frequency tuning of nanowire resonator using electrostatic spring effect. In: IEEE Transactions on Magnetics. 2009 ; Vol. 45, No. 5. pp. 2332-2335.
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Frequency tuning of nanowire resonator using electrostatic spring effect. / Kwon, Jihan; Choi, Jungwook; Kim, Kwanoh; Sim, Jaesam; Kim, Jinho; Kim, Jongbaeg.

In: IEEE Transactions on Magnetics, Vol. 45, No. 5, 4815997, 01.05.2009, p. 2332-2335.

Research output: Contribution to journalArticle

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