A model for surface damage in ion-irradiated solids
A model for surface damage in ion-irradiated solids
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DOI：
10.1063/1.357398
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发表时间：
1994-09
影响因子：
3.2
通讯作者：
R. Averback;M. Ghaly
中科院分区：
文献类型：
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作者：
R. Averback;M. Ghaly
基于局部熔化的概念，建立了离子辐照固体表面附近缺陷产生的模型。该模型表明，作为热扩散径向向外的离子的轨道，创建一个圆柱体的熔体，由于大的体积变化熔化，压力在液体中开发。与晶体内部的位移级联不同，压力通过液体通过表面的粘性流动来释放。该模型的结果进行了比较，从分子动力学模拟和实验观察的结果。
A model for defect production near the surface of an ion‐irradiated solid is developed based on the concept of local melting. The model shows that, as heat diffuses radially outward from the track of an ion, a cylinder of melt is created, and owing to the large volume change on melting, pressure is developed in the liquid. Unlike displacement cascades in the interior of the crystal, the pressure is relieved by the viscous flow of liquid through the surface. The results of the model are compared to results from molecular dynamics simulations and to experimental observations.