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Peculiarities of the diffusion-controlled radiation defect accumulation kinetics under high fluencies
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ( IF 1.4 ) Pub Date : 2020-08-29 , DOI: 10.1016/j.nimb.2020.07.023
V.N. Kuzovkov , E.A. Kotomin , A.I. Popov , R. Vila

Theory is developed for kinetics of the diffusion-controlled radiation defect accumulation in crystalline solids under high fluencies taking into account recently observed correlation between the defect diffusion energy and pre-exponential (known as the Meyer-Neldel rule in chemical kinetics) and their dependence on the radiation fluence (Kotomin et al., J Phys Chem A 122 (2018) 28). The predicted accumulation kinetics could be applied to all kinds of solids. It considerably differs from the commonly used, in particular, suggesting that concentration growth at high fluencies could be nonmonotonous and the saturation defect concentrations independent on the temperature.



中文翻译:

高通量下扩散控制的辐射缺陷累积动力学的特殊性

考虑到最近观察到的缺陷扩散能量和预指数之间的相关性(在化学动力学中称为Meyer-Neldel规则)以及它们对依赖的依赖关系,为高通量下结晶固体中扩散控制的辐射缺陷累积的动力学建立了理论。辐射通量(Kotomin等人,J Phys Chem A 122(2018)28)。预测的累积动力学可以应用于所有类型的固体。它与通常使用的有很大不同,特别是暗示高通量的浓度增长可能是非单调的,并且饱和缺陷浓度与温度无关。

更新日期:2020-08-29
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