Properties of carbon films produced from polyimide by high-energy ion irradiation

被引：13
|
作者：
Terai, T
Kobayashi, T
机构：
[1] Univ Tokyo, Grad Sch Engn, Dept Quantum Engn & Syst Sci, Bunkyo Ku, Tokyo 1138656, Japan
[2] RIKEN, Inst Phys & Chem Res, Div Surface Characterizat, Wako, Saitama 3510198, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2000年 / 166卷
关键词：
polyimide; ion irradiation; carbonization; carbon thin film;
D O I：
10.1016/S0168-583X(99)00869-1
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The changes of composition and structure of polyimide films due to irradiation-induced carbonization were studied by surface characterization techniques and electric resistance measurement. Polyimide (C22H10N2O5)(n) film specimens were irradiated with 4 MeV Ni3+ ions for the fluences from 3.5 x 10(12) cm(-2) to 1.0 x 10(16) cm(-2). After irradiation with the fluence of 1.0x 10(16) cm(-2), the ratios of N/C and O/C decreased from 0.089 and 0.244 to 0.018 and 0.086, respectively. Though the absolute quantities of bond types were not clear, the portion of carbon-carbon bonds was obviously increased from 0.62 to more than 0.82. The generation of dispersed carbonized areas in the irradiated polyimide film was also suggested by Raman spectroscopy, electric resistance measurement and elastic recoil detection (ERD) analysis. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：627 / 631
页数：5
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