Investigation of heavy ion tracks in polymers by transmission electron microscopy

被引：29

作者：

Adla, A

Buschmann, V

Fuess, H

Trautmann, C

机构：

[1] Gesell Schwerionenforsch GSI, D-64291 Darmstadt, Germany

[2] Tech Univ Darmstadt, D-64287 Darmstadt, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2001年 / 185卷 / 185期

关键词：

polyimide; polyethylene terephthalate; swift heavy ions; latent ion tracks; transmission electron microscopy;

D O I：

10.1016/S0168-583X(01)00804-7

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Bulk samples and thin sections of polyethylene terephthalate (PET) and polyimide (PI) were irradiated with Se and Pb ions of 11.4 MeV per nucleon. The creation of latent tracks and Structural changes were studied by means of transmission electron microscopy (TEM). In order to improve the radiation resistivity of the polymer under the electron beam and to enhance the contrast of the tracks, the samples were chemically stained with OsO4 or RuO4 before and/or after the ion irradiation. Depending on the preparation technique. the cross-sections of the tracks appear as circular objects of reduced or increased contrast. The diameter of the tracks depends on the ion species and on the sample preparation and varies between 9 and 17 nm. (C) 2001 Elsevier Science B.V. All rights reserved.

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收藏

页码：210 / 215

页数：6

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