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    PubMed
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    研究人员通过使用一种新的分级超级晶格电子阻断层来增强深紫外线LED. 这一创新显著提高了效率和输出功率,为高性能设备铺平了道路.

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    Biasing of P-N Junction01:16

    Biasing of P-N Junction

    The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
    In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
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