Study on depth profile of heavy ion irradiation effects in poly(tetrafluoroethylene-co-ethylene)

被引：9
作者：
Gowa, Tomoko [1 ]
Shiotsu, Tomoyuki [1 ]
Urakawa, Tatsuya [1 ]
Oka, Toshitaka [2 ]
Murakami, Takeshi [3 ]
Oshima, Akihiro [4 ]
Hama, Yoshimasa [1 ]
Washio, Masakazu [1 ]
机构：
[1] Waseda Univ, Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
[2] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
[3] Natl Inst Radiol Sci, Inage Ku, Chiba 2638555, Japan
[4] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
来源：
RADIATION PHYSICS AND CHEMISTRY | 2011年 / 80卷 / 02期
关键词：
ETFE; High LET; Heavy ion; Conjugated double bonds; TEMPERATURE; ETHYLENE;
D O I：
10.1016/j.radphyschem.2010.07.044
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
High linear energy transfer (LET) heavy ion beams were used to irradiate poly(tetrafluoroethylene-co-ethylene) (ETFE) under vacuum and in air. The irradiation effects in ETFE as a function of the depth were precisely evaluated by analyzing each of the films of the irradiated samples, which were made of stacked ETFE films. It was indicated that conjugated double bonds were generated by heavy ion beam irradiation, and their amounts showed the Bragg-curve-like distributions. Also, it was suggested that higher LET beams would induce radical formation in high density and longer conjugated C=C double bonds could be generated by the second-order reactions. Moreover, for samples irradiated in air, C=O was produced correlating to the yield of oxygen molecules diffusing from the sample surface. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：264 / 267
页数：4
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