Depletion depth measurements of new large area silicon carbide detectors
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arXiv
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| Format: | Preprint |
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2026
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| author | Spatafora, A. Carbone, D. La Fauci, L. Brischetto, G. A. Calvo, D. Cappuzzello, F. Cavallaro, M. Crnjac, A. Nizić, K. Ivanković Jakšić, M. Torresi, D. Tudisco, S. |
| author_facet | Spatafora, A. Carbone, D. La Fauci, L. Brischetto, G. A. Calvo, D. Cappuzzello, F. Cavallaro, M. Crnjac, A. Nizić, K. Ivanković Jakšić, M. Torresi, D. Tudisco, S. |
| contents | The ion beam induced charge technique with proton microprobe is used to characterise newly developed p-n junction large area silicon carbide detectors. They were recently produced as part of the ongoing program to develop a new particle identification wall for the focal plane detector of the MAGNEX magnetic spectrometer at INFN - Laboratori Nazionali del Sud in view of the NUMEN experimental campaigns. Four silicon carbide devices are studied. Proton beams over a 1.26 to 6.00 MeV incident energy range are used to probe the active area and the depletion depth of each device. The energy loss tables for the silicon carbide material are checked, finding an empirical correction that is then used to quantify the depletion depth at the full depletion voltage through energy loss measurements of 3.40 MeV proton beams irradiating the back side of the devices. It is possible to fully deplete the devices provided that the epitaxial layer is grown properly on the substrate. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_13179 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Depletion depth measurements of new large area silicon carbide detectors Spatafora, A. Carbone, D. La Fauci, L. Brischetto, G. A. Calvo, D. Cappuzzello, F. Cavallaro, M. Crnjac, A. Nizić, K. Ivanković Jakšić, M. Torresi, D. Tudisco, S. Instrumentation and Detectors Nuclear Experiment The ion beam induced charge technique with proton microprobe is used to characterise newly developed p-n junction large area silicon carbide detectors. They were recently produced as part of the ongoing program to develop a new particle identification wall for the focal plane detector of the MAGNEX magnetic spectrometer at INFN - Laboratori Nazionali del Sud in view of the NUMEN experimental campaigns. Four silicon carbide devices are studied. Proton beams over a 1.26 to 6.00 MeV incident energy range are used to probe the active area and the depletion depth of each device. The energy loss tables for the silicon carbide material are checked, finding an empirical correction that is then used to quantify the depletion depth at the full depletion voltage through energy loss measurements of 3.40 MeV proton beams irradiating the back side of the devices. It is possible to fully deplete the devices provided that the epitaxial layer is grown properly on the substrate. |
| title | Depletion depth measurements of new large area silicon carbide detectors |
| topic | Instrumentation and Detectors Nuclear Experiment |
| url | https://arxiv.org/abs/2601.13179 |