Development of a synthetic diamond radiation detector with a boron doped CVD diamond contact

被引:24
|
作者
Kaneko, J [1 ]
Katagiri, M [1 ]
Ikeda, Y [1 ]
Nishitani, T [1 ]
机构
[1] Japan Atom Energy Res Inst, Tokai, Ibaraki 3191195, Japan
关键词
D O I
10.1016/S0168-9002(98)01096-1
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A boron doped CVD diamond contact was applied to a diamond radiation detector for suppressing a polarization phenomenon. A boron doped CVD diamond layer was grown on a synthetic type IIa single crystal diamond; it was then used as a contact. The contact was completely free from radiation damage which is unavoidable in a contact made by an ordinary ion implantation technique. An energy resolution of 0.39% for 5.486 MeV alpha particles was achieved. A steady counting rate higher than 50 cps for alpha particles was confirmed by the developed detector. It is proposed that the boron doped CVD diamond contact functioned as a blocking contact on this detector. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:211 / 215
页数:5
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