LET EFFECTS OF ION-BEAM IRRADIATION ON POLY(DI-N-HEXYLSILANE)

Authors
SEKI S KANZAKI K KUNIMI Y TAGAWA S YOSHIDA Y KUDOH H SUGIMOTO M SASUGA T SEGUCHI T SHIBATA H
Citation
S. Seki et al., LET EFFECTS OF ION-BEAM IRRADIATION ON POLY(DI-N-HEXYLSILANE), Radiation physics and chemistry, 50(5), 1997, pp. 423-427
Citations number
21
Journal title
Radiation physics and chemistry → ACNP
ISSN journal
0969806X
Volume
50
Issue
5
Year of publication
1997
Pages
423 - 427
Database
ISI
SICI code
0969-806X(1997)50:5<423:LEOIIO>2.0.ZU;2-F
Abstract
Thin films of poly(di-n-hexylsilane) were irradiated with 2-20 MeV H+, He+ and He2+ ion beams. The beams caused heterogeneous reactions of c rosslinking and main chain scission in the films. The relative efficie ncy of the crosslinking was drastically changed in comparison with tha t of main chain scission. The anomalous change in the molecular weight distribution was analyzed with increasing irradiation flux, and the i on beam induced reaction radius; the track radius was determined for t he radiation sources by the function of molecular weight dispersion. T he values obtained ranged from 5.9 +/- 1.5 nm for 2 MeV He+ to 1.0 +/- 0.5 nm for and 20 MeV H+ ion beam irradiation. (C) 1997 Elsevier Scie nce Ltd. All rights reserved.