Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 663, Issue 1, Pages 10-13Publisher
ELSEVIER
DOI: 10.1016/j.nima.2011.09.003
Keywords
GaN; PIN; Alpha particle detection
Categories
Funding
- Natural Science Foundation of Jiangsu province [BK2008174]
- National Natural Science Foundation of China [10875084]
- Applied Science Foundation of Suzhou [SYJG0915]
- National Basic Research Program of China [G2009CB929300]
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GaN-based PIN alpha particle detectors are studied in this article. The electrical properties of detectors have been investigated, such as current-voltage (I-V) and capacitance-voltage (C-V). The reverse current of all detectors is in nA range applied at 30 V. which is suitable for detector operation. The charge collection efficiency (CCE) is measured to be approximately 80% but the energy resolution is calculated to be about 40% mostly because the intrinsic layer is not sufficiently thick enough. (C) 2011 Elsevier B.V. All rights reserved.
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