Development and application of CVD diamond detectors to 14 MeV neutron flux monitoring

M. Angelone, M. Pillon, M. Marinelli, E. Milani, A. Paoletti, A. Tucciarone, G. Pucella, G. Verona-Rinati

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Abstract

CVD diamond is an interesting material for radiation detection, its atomic number (Z = 6) is close to that of soft tissues (Z = 7.1) and it can also work in harsh environments. Since many years CVD diamond films have been grown at the Faculty of Engineering, Rome 'Tor Vergata' University, and in 1998 a collaboration with ENEA Fusion Division was established to develop fast neutron monitors to be used in fusion tokamak environment. In this paper the first test of a 120 μm thick polycrystalline CVD diamond detector used for monitoring 14.7 MeV neutrons emission produced with the Frascati Neutron Generator (FNG) is reported. The detector operates in air and in pulse mode. The time irradiation profiles recorded with the CVD diamond detector were compared with those recorded by the standard monitors available at FNG (SSD, fission chamber, NE-213). Good stability and capability to operate in neutron flux up to 1.5 × 108n cm-2s-1was observed. The radiation hardness property was also investigated using a 460 μm thick film and these results are also reported. © Oxford University Press 2004; all rights reserved.
Original languageEnglish
Pages (from-to)233 - 236
Number of pages4
JournalRadiation Protection Dosimetry
Volume110
Issue number1-4
DOIs
Publication statusPublished - 2004
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Radiological and Ultrasound Technology
  • Radiation
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health

Cite this

Angelone, M., Pillon, M., Marinelli, M., Milani, E., Paoletti, A., Tucciarone, A., ... Verona-Rinati, G. (2004). Development and application of CVD diamond detectors to 14 MeV neutron flux monitoring. Radiation Protection Dosimetry, 110(1-4), 233 - 236. https://doi.org/10.1093/rpd/nch124