Thermoluminescence and thermally stimulated current of methyl silicone rubber induced by proton radiation

Chin J Mater Res

2004, Vol. 18

Issue (1): 71-71 DOI:

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Thermoluminescence and thermally stimulated current of methyl silicone rubber induced by proton radiation

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1.上海交通大学高温材料与高温测试教育部重点实验室;2.哈尔滨工业150001

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. Thermoluminescence and thermally stimulated current of methyl silicone rubber induced by proton radiation. Chin J Mater Res, 2004, 18(1): 71-71.

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Abstract Protons radiation tests were carried out on methyl silicone rubber using space environment simulator system. The proton energy was chosen as 200keV, and the fluence in the range of 1014~1016cm-2. By means of thermoluminescence (TL) and thermally stimulated current (TSC) analyses, the evolution of the trap energy levelsΔE, the charge carrier type in the rubbers before and after proton radiation were characterized. TL and TSC analyses demonstrated that under the proton radiation, under the proton fluence less than 1015cm-2,ΔE decreased; under the fluence more than 1015cm-2, the situation was the opposite. After the proton radiation, the charge carriers in the silicone rubbers changed from the electron-type to the vacancy-type, and tended to the electron-type again after the fluence was further increased.

Key words: organic polymer materials rubber protom radiation thermoluminescence

Received: 04 March 2003

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https://www.cjmr.org/EN/ OR https://www.cjmr.org/EN/Y2004/V18/I1/71

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