BPW34 commercial p-i-n diodes for high-level 1-MeV neutron equivalent fluence monitoring

Federico Ravotti; Maurice Glaser; Michael Moll; Frédéric Saigné

doi:10.1109/RADECS.2007.5205483

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BPW34 commercial p-i-n diodes for high-level 1-MeV neutron equivalent fluence monitoring

Federico Ravotti, Maurice Glaser, Michael Moll et Frédéric Saigné

IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol.55(4), pp.1 - 8

IEEE TRANSACTIONS ON NUCLEAR SCIENCE

9th European Conference on Radiation and Its Effects on Components and Systems (Deauville, France, 10/09/2007–14/09/2007)

08/2008

DOI: https://doi.org/10.1109/RADECS.2007.5205483

Résumé

Index Terms-Radiation monitoring

p-i-n diodes

radiation damage

accelerators

particle beams

Index Terms-Radiation monitoring

The BPW34 p-in diode was characterized at CERN in view of its utilization as radiation monitor at the LHC to cover the broad I-MeV neutron equivalent fluence (cI>eq) range expected for the LHC machine and experiments during operation. Electrical measurements for both forward and reverse bias were used to characterize the device and to understand its behavior under irradiation. When the device is powered forward , a sensitivity to fast hadrons for cI>eq > 2xI0 ' 2 cm" has been observed. With increasing particle fluences the forward I-V characteristics of the diode shifts towards higher voltages. At cI>eq > 3xlO I3 cm", the forward characteristic starts to bend back assuming a thyristor-like behavior. An explanation for this phenomenon is given in this article. Finally, detailed radiation-response curves for the forward bias-operation and annealing studies of the diode's forward voltage are presented for proton, neutron and gamma irradiation.

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Titre: BPW34 commercial p-i-n diodes for high-level 1-MeV neutron equivalent fluence monitoring
Créateurs - sans rôle: Federico Ravotti - Université de Montpellier, Institut d'Electronique et des Systèmes - IES
Maurice Glaser - European Organization for Nuclear Research
Michael Moll - European Organization for Nuclear Research
Frédéric Saigné - Université de Montpellier, Institut d'Electronique et des Systèmes - IES
Détails de publication: IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol.55(4), pp.1 - 8
Colloque: 9th European Conference on Radiation and Its Effects on Components and Systems (Deauville, France, 10/09/2007–14/09/2007)
Publications en série: IEEE TRANSACTIONS ON NUCLEAR SCIENCE
Identifiants: 9943949209311
Unité académique: Institut d'Electronique et des Systèmes - IES
Langue: English
Type de ressource: Conference proceeding
Champs locaux: hal-01629999