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Journal Articles physica status solidi (b) Year : 2021

Proton Energy Loss in GaN

Proton Energy Loss in GaN

Abstract

We investigate the proton energy loss in GaN in an energy range between 0 and 65 MeV. The energy of protons generated by a cyclotron at about 65 MeV is varied by inserting an energy- absorbing medium of varying thickness. The precise modeling of the GaN Schottky diode response as a function of the absorbing medium thickness allows us to demonstrate that the energy absorption loss in GaN precisely follows the Bethe theory. In addition, we can identify the region of the detector contributing to its response to a proton beam, which is of prime importance for proton detector optimization.

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Dates and versions

hal-03365047 , version 1 (05-10-2021)

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Jean-Yves Duboz, Julie Zucchi, Eric Frayssinet, Sébastien Chenot, Maxime Hugues, et al.. Proton Energy Loss in GaN: Proton Energy Loss in GaN. physica status solidi (b), 2021, 258 (8), pp.2100167. ⟨10.1002/pssb.202100167⟩. ⟨hal-03365047⟩
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