Chinese Physics C > 1998, Vol. 22 > Issue(12): 1092-1099

Properties of a New Kind of MSM Structure Gallium Arsenide Detectors

Department of Modern Physics. University of Science and Technology of China, Hefei 2300271 Institute of Microelectronic Technology, Shanghai Jiaotong University, shanghai 200030

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Abstract：
Properties of a new kind of double metal contact GaAs semiconductors have been investigated. We measured the spectra of 5.48MeV α particles from ²⁴¹Am,122keV photons from ⁵⁷Co and 2.27MeV MIPs from ⁹⁰Sr and compared the cce and FWHM of a 3×3mm ²GaAs detector before and after 1300rad 662keV photons from ¹³⁷Cs. The test results show that these new Metal-Semiconductor-Metal(MSW) structure semiconductor detectors not only have good particle detection ability at room temperature but also have excellent radiation hardiness.

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Le Yi, Li Cheng, Chen Hongfang, Zhang Yongming, Wang Xiaolian, Wang Ligang, Shao Chuanfen and Shi Changxin. Properties of a New Kind of MSM Structure Gallium Arsenide Detectors[J]. Chinese Physics C, 1998, 22(12): 1092-1099.

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Received: 1997-12-15
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Properties of a New Kind of MSM Structure Gallium Arsenide Detectors

Corresponding author:Le Yi,

Department of Modern Physics. University of Science and Technology of China, Hefei 2300271 Institute of Microelectronic Technology, Shanghai Jiaotong University, shanghai 200030

Received Date:1997-12-15

Accepted Date:1900-01-01

Available Online:1998-12-05

Abstract:Properties of a new kind of double metal contact GaAs semiconductors have been investigated. We measured the spectra of 5.48MeV α particles from²⁴¹Am,122keV photons from⁵⁷Co and 2.27MeV MIPs from⁹⁰Sr and compared the cce and FWHM of a 3×3mm²GaAs detector before and after 1300rad 662keV photons from¹³⁷Cs. The test results show that these new Metal-Semiconductor-Metal(MSW) structure semiconductor detectors not only have good particle detection ability at room temperature but also have excellent radiation hardiness.

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Properties of a New Kind of MSM Structure Gallium Arsenide Detectors

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