Nanomechanical hydrogen sensing

X. M.H. Huang, M. Manolidis, Seong Chan Jun, J. Hone

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

A nanomechanical beam resonator is used as a sensitive, specific hydrogen sensor. The beam is fabricated from AuPd alloy and tested by magnetomotive transduction at room temperature. The fundamental resonance frequency decreases significantly and reversibly at hydrogen pressures above 10-5 Torr, whereas the frequency shifts observed for other gases are significantly smaller. The large frequency shift is likely due to the formation of interstitial hydrogen in the metal alloy lattice, which relieves the built-in tensile stress in the resonator beam. The uptake of hydrogen as measured by frequency shift is consistent with previous studies.

Original languageEnglish
Article number143104
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number14
DOIs
Publication statusPublished - 2005 Apr 4

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frequency shift
hydrogen
resonators
tensile stress
interstitials
sensors
room temperature
gases
metals

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Huang, X. M. H., Manolidis, M., Jun, S. C., & Hone, J. (2005). Nanomechanical hydrogen sensing. Applied Physics Letters, 86(14), 1-3. [143104]. https://doi.org/10.1063/1.1897445
Huang, X. M.H. ; Manolidis, M. ; Jun, Seong Chan ; Hone, J. / Nanomechanical hydrogen sensing. In: Applied Physics Letters. 2005 ; Vol. 86, No. 14. pp. 1-3.
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Huang, XMH, Manolidis, M, Jun, SC & Hone, J 2005, 'Nanomechanical hydrogen sensing', Applied Physics Letters, vol. 86, no. 14, 143104, pp. 1-3. https://doi.org/10.1063/1.1897445

Nanomechanical hydrogen sensing. / Huang, X. M.H.; Manolidis, M.; Jun, Seong Chan; Hone, J.

In: Applied Physics Letters, Vol. 86, No. 14, 143104, 04.04.2005, p. 1-3.

Research output: Contribution to journalArticle

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Huang XMH, Manolidis M, Jun SC, Hone J. Nanomechanical hydrogen sensing. Applied Physics Letters. 2005 Apr 4;86(14):1-3. 143104. https://doi.org/10.1063/1.1897445