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Charge multiplication effect in thin diamond films

Skukan, N.; Grilj, V.; Sudić, Ivan; Pomorski, M.; Kada, W.; Makino, T.; Kambayashi, Y.; Andoh, Y.; Onoda, S.; Sato, S.; Ohshima, T.; Kamiya, T.; Jakšić, M. (2016) Charge multiplication effect in thin diamond films. Applied Physics Letters, 109 (4). ISSN 0003-6951

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Herein, we report on the enhanced sensitivity for the detection of charged particles in single crystal chemical vapour deposition (scCVD) diamond radiation detectors. The experimental results demonstrate charge multiplication in thin planar diamond membrane detectors, upon impact of 18MeV O ions, under high electric field conditions. Avalanche multiplication is widely exploited in devices such as avalanche photo diodes, but has never before been reproducibly observed in intrinsic CVD diamond. Because enhanced sensitivity for charged particle detection is obtained for short charge drift lengths without dark counts, this effect could be further exploited in the development of sensors based on avalanche multiplication and radiation detectors with extreme radiation hardness

Item Type: Article
Uncontrolled Keywords: CVD-diamond ; ionization ; system ; diodes
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Depositing User: Andreo Crnjac
Date Deposited: 11 Mar 2019 09:57
DOI: 10.1063/1.4959863

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