A note on thermal spikes and sputtering yields

被引：13

作者：

Jakas, MM ^{[1
]}

机构：

[1] Univ Virginia, Charlottesville, VA 22903 USA

来源：

RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2000年 / 152卷 / 02期

基金：

美国国家科学基金会;

关键词：

thermal spikes; sputtering yields; heat conduction; ion beams; irradiation; temperature distribution;

D O I：

10.1080/10420150008211819

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The heat conduction equation is solved for a cylindrical spike in an atomic solid. The radial distribution of temperature is then used to calculate the sputtering yield. Different expressions for the heat conduction and heat capacity as functions of temperature are used and the melting of the cold material surrounding the spike is also included. Remarkably, it is found that the sputtering yield is proportional to the deposited energy raised to the power of two irrespective of which thermal conductivity and heat capacity are used, and whether or not melting is included.

引用

页码：157 / 163

页数：7

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