Irradiation of a tin oxide nanometric powder with swift heavy ions

被引：27

作者：

Berthelot, A

Gourbilleau, F

Dufour, C

Demengès, B

Paumier, E

机构：

[1] ISMRA, Unite CNRS Associee 6004, LERMAT, F-14050 Caen, France

[2] CRISMAT, CNRS, UMR Associee 6508, F-14050 Caen, France

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2000年 / 166卷

关键词：

irradiation; tin oxide; thermal spike; sputtering; simulations;

D O I：

10.1016/S0168-583X(99)00732-6

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Tin oxide nanometric powders have been irradiated with swift heavy ions (Ar, Cd, Ta, Pb and U) and observed by high resolution electron microscopy (HREM). Except for Ar ions, cylindrical tracks are visible. The mean track radius is all the more important since the electronic stopping power S-e is high. Furthermore, the high-S-e ions (Ta, Pb and U) create cylindrical holes, while in the case of Cd irradiations, a crystal-like contrast remains in the core track. Cylindrical holes correspond to a local zone where the maximum temperature calculated using the thermal spike model exceeds the boiling point. For Cd ion irradiations, a sputtering process is investigated. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：927 / 932

页数：6

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