Formation of Dislocation Structure in LiF Crystals Irradiated with Swift Heavy Ions under Oblique Incidence

被引：0

作者：

Russakova, A. ^{[1
]}

Akilbekov, A. ^{[1
]}

Dauletbekova, A. ^{[1
]}

Baizhumanov, M. ^{[1
]}

机构：

[1] LN Gumilyov Eurasian Natl Univ, Astana 010008, Kazakhstan

来源：

ACTA PHYSICA POLONICA A | 2014年 / 125卷 / 06期

关键词：

D O I：

10.12693/APhysPolA.125.1257

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The structural modifications of LiF irradiated with swift heavy ions under oblique angles have been investigated using AFM, SEM, chemical etching, nanoindentation and optical absorption spectroscopy. LiF crystals were irradiated under incidence angles of 30 and 70 degrees with 2.2 GeV Au (fluence 5 x 10(11) ions cm(-2)) and 150 MeV Kr ions (fluence 10(12)-10(14) ions cm(-2)). Structural study on sample cross-sections shows that two damage regions, (1) nanostructured zone and (2) dislocation rich zone, which are typical for irradiations at normal incidence, appear also in samples irradiated under oblique angles. However in the latter case a more complex structure is formed that leads to stronger ion-induced hardening.

引用

页码：1257 / 1259

页数：3

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