Performance of a radon sensor based on a BJT detector on high-resistivity silicon

A. Bosi, L. Bidinelli, D. Saguatti, G.-F. Dalla Betta, V. Tyzhnevyi, L. Rovati, G. Verzellesi, G. Batignani, S. Bettarini, F. Forti, F. D'Errico, A. Del Gratta, L. Bosisio, I. Rachevskaia, M. Boscardin, G. Giacomini, M. Calamosca, S. Penzo, F. Cardellini

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

An autonomous Radon sensor with wireless connectivity has been developed, using a BJT detector on high-resistivity silicon as alpha-particle detector. Charged Radon daughters are collected on the detector surface electrostatically. Thanks to the BJT internal amplification, real-time alpha particle detection is made possible using a very simple readout electronics which records alpha-particle arrival time and charge. Functional tests at known Radon concentrations demonstrated a sensitivity up to 4.9 cph/(100 Bq/m3), which translates into the capability of detecting a Radon concentration of 200±20 Bq/m3 and 500±50 Bq/m3 after 10 and 4 h, respectively. The count rate at nominally-zero Radon concentration was 0.05 cph. © 2012 IEEE.
Original languageEnglish
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 - , United States
Duration: 1 Jan 2012 → …

Conference

Conference2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
CountryUnited States
Period1/1/12 → …

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All Science Journal Classification (ASJC) codes

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

Cite this

Bosi, A., Bidinelli, L., Saguatti, D., Dalla Betta, G-F., Tyzhnevyi, V., Rovati, L., ... Cardellini, F. (2012). Performance of a radon sensor based on a BJT detector on high-resistivity silicon. Paper presented at 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012, United States. https://doi.org/10.1109/NSSMIC.2012.6551105