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Response of piezoelectric lead zirconate titanate detector to oblique impact with hypervelocity iron particles

Abstract

A cosmic dust detector using piezoelectric lead zirconate titanate (PZT) is currently being developed for use onboard a spacecraft for the BepiColombo mission. The characteristics of the PZT detector were studied by carrying out hypervelocity impact measurements with iron particles supplied by a Van de Graaff accelerator. The measurements with particle velocities of less than 5 km/s showed a linear relationship between the output voltages obtained from the detector and the particle momenta. This linear relationship obtained was almost independent of the impact angle between the particle and the PZT surface.

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Correspondence to S. Takechi.

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Takechi, S., Onishi, T., Minami, S. et al. Response of piezoelectric lead zirconate titanate detector to oblique impact with hypervelocity iron particles. Earth Planet Sp 60, 1187–1190 (2008). https://doi.org/10.1186/BF03352876

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  • DOI: https://doi.org/10.1186/BF03352876

Key words

  • Cosmic dust
  • dust detector
  • piezoelectricity
  • lead zirconate titanate (PZT)
  • Mercury Dust Monitor (MDM)