扩散电流
Sign in to savefaradaic current that is controlled by the diffusion of electroactive species
Article · 中文
扩散电流在半导体中因载流子（空穴或自由电子）扩散作用引起的电流。 半导体中的扩散电流可以与由于电场形成的漂移电流同向或者反向。在一个平衡状态的PN结中，耗尽层的正向扩散电流和反向扩散电流平衡，因而净电流为零。可以用漂移–扩散方程来统一描述扩散电流和漂移电流。 掺杂材料的扩散常数可以通过确定。
Abstract from DBpedia / Wikipedia · CC BY-SA
Connections
Fick's laws of diffusion
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convection–diffusion equation
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electron
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International Standard Book Number
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electric current
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semiconductor
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Ohm's law
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electric field
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alternating current
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direct current
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diffusion
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Boltzmann constant
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electric potential
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p–n junction
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electric current density
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thermodynamic temperature
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electron hole
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random walk
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charge carrier
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depletion region
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