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Emissivity of microstructured silicon

Patrick G Maloney1, Peter Smith, Vernon King

  • 1U.S. Army Communications-Electronics Research, Development, and Engineering Center, Research, Development and Engineering Command, Night Vision and Electronic Sensors Directorate, Science and Technology Division, 10221 Burbeck Road Fort Belvoir, Virginia 22060, USA. info@nvl.army.mil

Applied Optics
|March 4, 2010
PubMed

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Intrinsic semiconductors are highly pure materials with no impurities. At absolute zero, these semiconductors behave as perfect insulators because all the valence electrons are bound, and the conduction band is empty, disallowing electrical conduction. The Fermi level is a concept used to describe the probability of occupancy of energy levels by electrons at thermal equilibrium. In intrinsic semiconductors, the Fermi level is positioned at the midpoint of the energy gap at absolute zero. When...