Tracks induced in TeO2 by heavy ions at low velocities

被引:45
作者
Szenes, G
Pászti, F
Péter, A
Popov, AI
机构
[1] Eotvos Lorand Univ, Dept Gen Phys, H-1518 Budapest, Hungary
[2] Res Inst Particle & Nucl Phys, H-1121 Budapest, Hungary
[3] Res Inst Solid State Phys & Opt, H-1121 Budapest, Hungary
[4] CNRS, Lab CEA, CIRIL, F-14040 Caen, France
[5] Latvian State Univ, Inst Solid State Phys, LV-1063 Riga, Latvia
基金
匈牙利科学研究基金会;
关键词
swift ions; tracks; thermal spike; RBS; optical absorption;
D O I
10.1016/S0168-583X(99)01042-3
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
On the basis of its thermal properties, TeO2 crystal was selected as an insulator with low threshold electronic stopping power for track formation S-et. The crystals were irradiated by S, Zn, Mo, Kr, Te and Pb ions and the optical absorption and track formation were studied. Comparison is made with the published results on LiNbO3, Y3Fe5O12 and SiO2 quartz. Good quantitative agreement is found with the predictions of the thermal spike model of Szenes with respect to S-et and the variation of the track size with the electronic stopping power S-e. Tt is shown that TeO2 has a high efficiency g at low ion velocities, which is a characteristic feature of the damage cross-section velocity effect. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:949 / 953
页数:5
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