ION IRRADIATION OF POLYMERS

被引：95
|
作者：
CALCAGNO, L
FOTI, G
机构：
[1] Dipartimento di Fisica, 95129 Catania
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1991年 / 59卷
关键词：
D O I：
10.1016/0168-583X(91)95784-B
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The keV-MeV ion irradiation of polymers produces deep changes in their physical and chemical properties associated with the breaking and rearrangement of original bonds. The modification of chain structure occurs within a well defined ion fluence range which depends on the ion linear energy transfer as well as on the target parameters. At low ion fluences (approximately 10(14) ions/cm2) crosslinks between chains and chain-scissions are detected with a chemical yield in the range 0.05-0.3, depending on the ion mass. With increasing ion fluence (10(15) ions/cm2) the original polymer structure is heavily modified and the irradiated films exhibit properties close to those of hydrogenated amorphous carbon. At very high fluences (approximately 10(16) ions/cm2) graphitization of the material occurs.
引用
收藏
页码：1153 / 1158
页数：6
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