Hydrogen Redistribution and Performance Improvement of Silicon Avalanche Photodiode by Low-Temperature Annealing
Hydrogen Redistribution and Performance Improvement of Silicon Avalanche Photodiode by Low-Temperature Annealing
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低温退火对硅雪崩光电二极管的氢重新分布和性能改进
DOI:
10.1109/led.2012.2200451
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发表时间:
2012
影响因子:
4.9
通讯作者:
T. Kawauchi
中科院分区:
文献类型:
--
作者:
T.Yamashita;Y.Sugawara;Y.Uraoka;T.Fuyuki;M.Kimura;小林純;齋藤哲郎;T. Kawauchi
We report the performance improvement of the silicon avalanche photodiode (APD) for electron detection by annealing. It was found that the dark current is reduced and that the gain and energy resolution are improved by annealing at 500 K for 10 h. By means of the nuclear reaction analysis, the depth distribution of hydrogen in APD was measured before and after annealing. The hydrogen concentration in the near-surface region was significantly increased by annealing. We discuss that passivation of the impurity and/or defect levels by hydrogen atoms is a possible reason for the performance improvement of the photodiode.
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DOI:
--
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Journal of Applied Physics 105/1
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