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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Quasifree electron transport under electric field in nonpolar simple-structured condensed matters
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Quasifree electron transport under electric field in nonpolar simple-structured condensed matters

机译:电场在非极性简单结构凝聚态中的准自由电子传输

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摘要

Drift behaviours of quasifree electrons in nonpolar condensed matters (dense gases, liquids and solids) under uniform electric fields are reported in this review. Measurements have shown that, in some sorts of nonpolar fluid, zero-field electron mobility depends strongly on the number density of atom or molecule comprising the matters from dilute gas to solid phase. The dependence was explained by the fact that in the condensed phase new energy levels of the valence electrons are formed through a regular spatial arrangement of long-range order, the crystal lattice, due to the Pauli exclusion principle, and that excess electrons move in the conduction band. The electron drift motion under the fields in the conduction band is also described.
机译:这篇综述报道了准自由电子在均匀电场下在非极性凝聚态物质(稠密气体,液体和固体)中的漂移行为。测量表明,在某些非极性流体中,零场电子迁移率在很大程度上取决于原子或分子的数量密度,该原子或分子的数量密度从稀薄气体到固相。这种依赖性可以通过以下事实来解释:在凝聚相中,价电子的新能级是通过长程有序的规则空间排列形成的,这是由于保利排斥原理导致的,晶格处于晶格中,而多余的电子则以导带。还描述了导带中场下的电子漂移运动。

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