Radiation hardness of a single crystal CVD diamond detector for MeV energy protons

被引：28

作者：

Sato, Yuki ^{[1
]}

Shimaoka, Takehiro ^{[2
]}

Kaneko, Junichi H. ^{[2
]}

Murakami, Hiroyuki ^{[1
]}

Isobe, Mitsutaka ^{[3
]}

Osakabe, Masaki ^{[3
]}

Tsubota, Masakatsu ^{[2
]}

Ochiai, Kentaro ^{[4
]}

Chayahara, Akiyoshi ^{[5
]}

Umezawa, Hitoshi ^{[5
]}

Shikata, Shinichi ^{[5
]}

机构：

[1] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

[2] Hokkaido Univ, Grad Sch Engn, Sapporo, Hokkaido 0608628, Japan

[3] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu 5095292, Japan

[4] Japan Atom Energy Agcy, Fus Res & Dev Directorate, Tokai, Ibaraki 3191195, Japan

[5] Natl Inst Adv Ind Sci & Technol, Ikeda, Osaka 5638577, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 784卷

关键词：

Plasma diagnostics; Diamond detector; Single-crystal CVD diamond; Radiation hardness; SILICON; DIAGNOSTICS; SURFACE; TFTR;

D O I：

10.1016/j.nima.2014.12.036

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We have fabricated a particle detector using single crystal diamond grown by chemical vapor deposition. The irradiation dose dependence of the output pulse height from the diamond detector was measured using 3 MeV protons. The pulse height of the output signals from the diamond detector decreases as the amount of irradiation increases at count rates of 1.6-8.9 kcps because of polarization effects inside the diamond crystal. The polarization effect can be cancelled by applying a reverse bias voltage, which restores the pulse heights. Additionally, the radiation hardness performance for MeV energy protons was compared with that of a silicon surface barrier detector. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：147 / 150

页数：4

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