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On the uptake of water vapor by ion irradiated polyimide

 

作者: D. Fink,   R. Klett,   M. Müller,   Xuanwen Hu,   L.T. Chadderton,   L. Wang,   J. Hillenbrand,  

 

期刊: Radiation Effects and Defects in Solids  (Taylor Available online 1997)
卷期: Volume 140, issue 3-4  

页码: 263-286

 

ISSN:1042-0150

 

年代: 1997

 

DOI:10.1080/10420159708216851

 

出版商: Taylor & Francis Group

 

关键词: Latent ion tracks;Polymers;Polyimide;Electronic energy transfer;Doping;Ambient atmosphere;Water vapor;Adsorption;Conductivity;Depth profiles

 

数据来源: Taylor

 

摘要:

It is known that ion-irradiated polymers are capable to adsorb dopants from solid, liquid or gaseous phases. For simple ambient atmosphere exposures, oxygen and water vapor are the most prominent dopants. Though the quantity of the latter one is not sufficient to be probed by conventional spectroscopic techniques, it can be detected indirectly via its ionic conductivity on applying a strong electric field along the track direction, as long as it is not yet masked by the intrinsic ion track conductivity, which is the case for low-fluence polymer irradiation. The conductivity is of similar order for most low-fluence irradiated polymers examined – namely 10−15−10−13Ω−1cm−1.

 

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