电介质壁对电子的吸收
Absorption of an electron by a dielectric wall
摘要：
我们介绍了一种方法来计算的概率与低能量电子击中的等离子体的墙壁被卡住，并将该方法应用到一个电介质壁的正电子亲和力小于带隙使用MgO为例。根据电子束散射数据，我们得到的能量依赖的粘附概率显着小于团结和问题，从而为电子的完美的吸收体假设unisono等离子体建模中使用。
英文摘要：
We introduce a method for calculating the probability with which a low-energy electron hitting the wall of a plasma gets stuck in it and apply the method to a dielectric wall with positive electron affinity smaller than the bandgap using MgO as an example. In accordance with electron beam scattering data we obtain energy-dependent sticking probabilities significantly less than unity and question thereby for electrons the perfect absorber assumption unisono used in plasma modeling.
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