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 18 MeV 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.
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25 July 2016
Research Article|
July 25 2016
Charge multiplication effect in thin diamond films
N. Skukan;
N. Skukan
a)
1Division of Experimental Physics,
Ruđer Bošković Institute
, 10000 Zagreb, Croatia
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V. Grilj;
V. Grilj
1Division of Experimental Physics,
Ruđer Bošković Institute
, 10000 Zagreb, Croatia
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I. Sudić
;
I. Sudić
1Division of Experimental Physics,
Ruđer Bošković Institute
, 10000 Zagreb, Croatia
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M. Pomorski;
M. Pomorski
2CEA-LIST,
Diamond Sensors Laboratory
, Gif-sur-Yvette F-91191, France
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W. Kada;
W. Kada
3Division of Electronics and Informatics, Faculty of Science and Technology,
Gunma University
, Kiryu, Gunma 376-8515, Japan
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T. Makino;
T. Makino
4
National Institutes for Quantum and Radiological Science and Technology
, Takasaki, Gunma 370-1292, Japan
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Y. Kambayashi;
Y. Kambayashi
3Division of Electronics and Informatics, Faculty of Science and Technology,
Gunma University
, Kiryu, Gunma 376-8515, Japan
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Y. Andoh;
Y. Andoh
3Division of Electronics and Informatics, Faculty of Science and Technology,
Gunma University
, Kiryu, Gunma 376-8515, Japan
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S. Onoda;
S. Onoda
4
National Institutes for Quantum and Radiological Science and Technology
, Takasaki, Gunma 370-1292, Japan
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S. Sato;
S. Sato
4
National Institutes for Quantum and Radiological Science and Technology
, Takasaki, Gunma 370-1292, Japan
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T. Ohshima;
T. Ohshima
4
National Institutes for Quantum and Radiological Science and Technology
, Takasaki, Gunma 370-1292, Japan
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T. Kamiya;
T. Kamiya
4
National Institutes for Quantum and Radiological Science and Technology
, Takasaki, Gunma 370-1292, Japan
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M. Jakšić
M. Jakšić
1Division of Experimental Physics,
Ruđer Bošković Institute
, 10000 Zagreb, Croatia
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a)
Author to whom correspondence should be addressed. Electronic mail: nskukan@irb.hr.
Appl. Phys. Lett. 109, 043502 (2016)
Article history
Received:
May 16 2016
Accepted:
July 13 2016
Citation
N. Skukan, V. Grilj, I. Sudić, M. Pomorski, W. Kada, T. Makino, Y. Kambayashi, Y. Andoh, S. Onoda, S. Sato, T. Ohshima, T. Kamiya, M. Jakšić; Charge multiplication effect in thin diamond films. Appl. Phys. Lett. 25 July 2016; 109 (4): 043502. https://doi.org/10.1063/1.4959863
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