Enhanced radiation hardness and signal recovery in thin diamond detectors

被引:13
|
作者
Skukan, N. [1 ]
Sudic, I. [1 ]
Pomorski, M. [2 ]
Kada, W. [3 ]
Jaksic, M. [1 ]
机构
[1] Rudjer Boskovic Inst, Div Expt Phys, Zagreb 10000, Croatia
[2] CEA, LIST, Diamond Sensors Lab, F-91191 Gif Sur Yvette, France
[3] Gunma Univ, Fac Sci & Technol, Div Elect & Informat, Kiryu, Gunma 3768515, Japan
关键词
11;
D O I
10.1063/1.5081136
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Using the advantage of the high spatial resolution of the Ruder Boskovic Institute (RBI) ion microprobe, small areas of a thin membrane single crystal chemical vapor deposition (scCVD) diamond detector were intentionally damaged with a high-intensity 26-MeV oxygen ion beam at various fluences, producing up to similar to 10(18) vacancies/cm(3). The response of the detector was tested with the ion beam-induced charge technique (IBIC) using a 2-MeV proton beam as a probe. The signal amplitudes decreased down to approximately 50% of the original value at low electric fields (<10 V/mu m) inside the detector. However, the increase of electric field to values of similar to 100 V/mu m completely recovers the signal amplitude. The results presented herein can facilitate the development of true radiation hard particle detectors. (C) 2019 Author(s).
引用
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页数:3
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