Single-crystal CVD diamond detector for high-resolution particle spectrometry

被引：14
|
作者：
Sato, Y. [1 ]
Murakami, H. [1 ]
Shimaoka, T. [2 ]
Tsubota, M. [2 ]
Kaneko, J. H. [2 ]
机构：
[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
[2] Hokkaido Univ, Grad Sch Engn, Kita Ku, Sapporo, Hokkaido 0608628, Japan
来源：
EPL | 2014年 / 108卷 / 04期
关键词：
NUCLEAR RADIATION DETECTORS; PHONON EMISSION; SILICON; SEMICONDUCTORS; SCATTERING; IONIZATION; ENERGY;
D O I：
10.1209/0295-5075/108/42001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The performance of a single-crystal diamond detector, grown by chemical vapour deposition, as an energy spectrometer for charged particles was studied. The detector was able to identify four different energies of (241) Am alpha-particles (5.389, 5.443, 5.486, and 5.545 MeV) thanks to a superior intrinsic energy resolution of similar to 0.4% (full width at half maximum). The electrode configuration, specifically the electric field configuration inside the diamond crystal, and the electrode materials, strongly affect the energy resolution for charged particles. The charge collection efficiency inside the diamond crystal was similar to 97% for both electrons and holes. Copyright (C) EPLA, 2014
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页数：6
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