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Enhanced radiation hardness and signal recovery in thin diamond detectors

Skukan, Natko; Sudić, Ivan; Pomorski, Michal; Kada, Wataru; Jakšić, Milko (2019) Enhanced radiation hardness and signal recovery in thin diamond detectors. AIP Advances, 9 (2). ISSN 2158-3226

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Using the advantage of the high spatial resolution of the Ruder Boškovic Institute (RBI) ion microprobe, small areas of a thin membrane single crystal chemical vapor deposition (scCVD) diamond detector were intentionally damaged with a high-intensity 26-MeV oxygen ion beam at various fluences, producing up to ∼10e18 vacancies/cm3. The response of the detector was tested with the ion beam- induced charge technique (IBIC) using a 2-MeV proton beam as a probe. The signal amplitudes decreased down to approximately 50% of the original value at low electric fields (<10 V/µm) inside the detector. However, the increase of electric field to values of ∼100 V/µm completely recovers the signal amplitude. The results presented herein can facilitate the development of true radiation hard particle detectors.

Item Type: Article
Uncontrolled Keywords: diamond detectors ; radiation hardness ; diamond membrane ; charge multiplication
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Project titleProject leaderProject codeProject type
Promjene u kristaliničnim materijalima izazvane ionskim snopovima MeV-skih energijaFazinić, StjepkoIP-2013-11-8127HRZZ
Potpora vrhunskim istraživanjima Centra izvrsnosti za napredne materijale i senzore-Mile Ivanda; Milko Jakšić; Mario Stipčević; Marko KraljKK.
Depositing User: Natko Skukan
Date Deposited: 21 Mar 2022 10:38
DOI: 10.1063/1.5081136

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