Radiation hardness of silicon detectors for high-energy physics applications

被引:23
作者
Candelori, A [1 ]
Bisello, D
Rando, R
Kaminski, A
Wyss, J
Litovchenko, A
Betta, GD
Lozano, M
Boscardin, M
Martínez, C
Ullán, M
Zorzi, N
机构
[1] Univ Padua, Dipartimento Fis, Ist Nazl Fis Nucl, I-35131 Padua, Italy
[2] Univ Cassino, Fac Ingn, I-03043 Cassino, FR, Italy
[3] Ist Nazl Fis Nucl, I-56010 Pisa, Italy
[4] Univ Trent, Dipartimento Informat & Telecomun, I-38050 Povo, TN, Italy
[5] Univ Autonoma Barcelona, Ctr Nacl Microelect, E-08193 Bellaterra, Barcelona, Spain
[6] IRST, ITC, Div Microsistemi, I-38050 Povo, TN, Italy
关键词
diodes; neutron radiation effects; oxygenation; proton radiation effects; radiation detectors;
D O I
10.1109/TNS.2003.814573
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Oxygenated and standard (not oxygenated) silicon diodes processed by CNM and IRST have been irradiated by 27 MeV protons and compared with standard devices from ST Microelectronics. As expected, the leakage current density increase rate (a) and its annealing do not show any significant dependence on starting material, oxygenation and/or device processing. On the contrary, oxygenation improves the radiation hardness by decreasing the acceptor introduction rate (beta) and mitigating the depletion voltage (V-dep) increase, with the beta parameter depending also on starting material and/or effects related to device processing for standard diodes. Finally, these results are included in a general review on the state of the art for silicon detector radiation hardening, confirming the good performance of the considered technologies.
引用
收藏
页码:1121 / 1128
页数:8
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