The development of a micro-Faraday array for ion detection

A. K. Knight, R. P. Sperline, G. M. Hieftje, E. Young, C. J. Barinaga, D. W. Koppenaal, M Bonner Denton

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

A micro-Faraday array detector was evaluated for use as an ion detector for mass spectrometry. This charge-integrating detector was based upon the merging of technologies from the fields of CCDs and infrared (IR) multiplexers. Measurements were performed by exposing the detector to an Ar+ ion beam of low flux. The array detector responds to both positive and negative charges and preliminary results indicate a detection limit of 100 ions. Current data indicate that the linear dynamic range of the device is over five orders of magnitude. The capability of the device to perform specialized charge read out modes could theoretically both lower the detection limit by a factor of seven and increase the linear dynamic range to nine orders of magnitude using non-destructive read outs.

Original languageEnglish (US)
Pages (from-to)131-139
Number of pages9
JournalInternational Journal of Mass Spectrometry
Volume215
Issue number1-3
DOIs
StatePublished - Apr 1 2002

Fingerprint

Ions
Detectors
detectors
ions
dynamic range
multiplexing
Merging
Charge coupled devices
Ion beams
Mass spectrometry
charge coupled devices
mass spectroscopy
ion beams
Fluxes
Infrared radiation

Keywords

  • Array
  • Faraday cup
  • Faraday finger
  • Faraday plate
  • Infrared
  • Ion
  • Ion detection
  • Ion detector
  • Mass spectrometry

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy

Cite this

Knight, A. K., Sperline, R. P., Hieftje, G. M., Young, E., Barinaga, C. J., Koppenaal, D. W., & Denton, M. B. (2002). The development of a micro-Faraday array for ion detection. International Journal of Mass Spectrometry, 215(1-3), 131-139. https://doi.org/10.1016/S1387-3806(02)00528-6

The development of a micro-Faraday array for ion detection. / Knight, A. K.; Sperline, R. P.; Hieftje, G. M.; Young, E.; Barinaga, C. J.; Koppenaal, D. W.; Denton, M Bonner.

In: International Journal of Mass Spectrometry, Vol. 215, No. 1-3, 01.04.2002, p. 131-139.

Research output: Contribution to journalArticle

Knight, AK, Sperline, RP, Hieftje, GM, Young, E, Barinaga, CJ, Koppenaal, DW & Denton, MB 2002, 'The development of a micro-Faraday array for ion detection', International Journal of Mass Spectrometry, vol. 215, no. 1-3, pp. 131-139. https://doi.org/10.1016/S1387-3806(02)00528-6
Knight AK, Sperline RP, Hieftje GM, Young E, Barinaga CJ, Koppenaal DW et al. The development of a micro-Faraday array for ion detection. International Journal of Mass Spectrometry. 2002 Apr 1;215(1-3):131-139. https://doi.org/10.1016/S1387-3806(02)00528-6
Knight, A. K. ; Sperline, R. P. ; Hieftje, G. M. ; Young, E. ; Barinaga, C. J. ; Koppenaal, D. W. ; Denton, M Bonner. / The development of a micro-Faraday array for ion detection. In: International Journal of Mass Spectrometry. 2002 ; Vol. 215, No. 1-3. pp. 131-139.
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