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Vibratory response of diamond-like amorphous carbon cantilevers under different temperatures

  • Daniel H.C. Chua
  • , B. K. Tay*
  • , P. Zhang
  • , E. H.T. Teo
  • , L. T.W. Lim
  • , S. O'Shea
  • , J. Miao
  • , W. I. Milne
  • *Corresponding author for this work
  • University of Cambridge
  • Nanyang Technological University
  • Agency for Science, Technology and Research, Singapore

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

Diamond-like amorphous carbon films were deposited using filtered cathodic vacuum arc (FCVA) with the plasma ion immersion implantation (PIII) system. A unique multilayer film, comprising of alternating high-sp3 content (90%), high-stress (9 GPa) films, low-sp3 content (50%), and low-stress films (<0.5 GPa), was fabricated. By alternating these layers, a 1.5-μm-thick film was subsequently deposited. Free-standing microcantilevers measuring 150×50 μm had been subsequently fabricated by using standard lithography and wet etching. The resonance frequency of the microcantilevers was measured by a vacuum laser vibrometer system to be 109.5 kHz. After gradual heating to 240°C, the resonance frequency was observed to increase to a high of 111.5 kHz.

Original languageEnglish
Pages (from-to)1980-1983
Number of pages4
JournalDiamond and Related Materials
Volume13
Issue number11-12
DOIs
Publication statusPublished - Nov 2004
Externally publishedYes
EventProceedings of the 9th International Conference on New Diamond - Tokyo, Japan
Duration: 26 Mar 200429 Mar 2004

Keywords

  • Annealing
  • DLC microcantilevers
  • Diamond-like amorphous carbon
  • Intrinsic stress
  • Microcantilevers
  • Resonance frequency

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