Response function measurement of layered type CVD single crystal diamond radiation detectors for 14 MeV neutrons

Kaneko, J. H.; Teraji, T.; Hirai, Y.; Shiraishi, M.; Kawamura, S.; Yoshizaki, S.; Ito, T.; Ochiai, K.; Nishitani, T.; Sawamura, T.

Response function measurement of layered type CVD single crystal diamond radiation detectors for 14 MeV neutrons

Kaneko, J. H.; Teraji, T.; Hirai, Y. et al.

Review of Scientific Instruments, 2004, 75(10), 3581-3584

Permalink : https://hdl.handle.net/2115/5722

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アクセス権	open access
URI	https://hdl.handle.net/2115/5722
タイトル	Response function measurement of layered type CVD single crystal diamond radiation detectors for 14 MeV neutrons
著者	Kaneko, J. H. ; Teraji, T. ; Hirai, Y. ; Shiraishi, M. ; Kawamura, S. ; Yoshizaki, S. ; Ito, T. ; Ochiai, K. ; Nishitani, T. ; Sawamura, T.
e-Rad_Researcher 90333624 著者名 Kaneko, J. H. 金子, 純一
著者名 Teraji, T.
著者名 Hirai, Y.
著者名 Shiraishi, M.
著者名 Kawamura, S.
著者名 Yoshizaki, S.
著者名 Ito, T.
著者名 Ochiai, K.
著者名 Nishitani, T.
著者名 Sawamura, T.
言語	英語
発行日	2004-10
出版者	American Institute of Physics
収録物名	Review of Scientific Instruments
巻(号)	75(10)
ページ	3581-3584
抄録	Response function measurement of layered-type chemical vapor deposition single crystal diamond radiation detectors for 14 MeV neutrons was carried out. The detector had a layered structure that was composed of a boron-doped diamond layer of 0.5 µm in thickness and a nondoped diamond layer of 20 µm on an inexpensive high pressure and high temperature-type Ib diamond substrate. The detector had energy resolution of 2.6% for 5.5 MeVα particles. This experiment was mainly carried out in order to understand the present status of the detector as a 14 MeV neutron spectrometer and an extent of charge trapping. As result, a peak caused by the 12C(n,α0)9Be reactions was clearly observed; the best energy resolution of 6% as for a synthetic diamond radiation detector was achieved. Detection efficiency was 3.2×10(–7) counts/unit neutron fluence. However, taking the energy resolution for α particles, etc., into account, the energy resolution for 14 MeV neutrons was not so high. Further improvement based on better crystal growth is indispensable.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Copyright © 2004 American Institute of Physics
PISSN	0034-6748
関連情報	URI http://www.aip.org/
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1063/1.1787918