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Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
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The misfit dislocation density profile in graded SiGe/Si(001) layers prepared at different temperatures

J Endres1, S Daniš, G Bauer

  • 1Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Charles University in Prague, Ke Karlovu 5, 121 16 Prague, Czech Republic. endres.jan@gmail.com

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|April 10, 2013
PubMed

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Fermi Level01:18

Fermi Level

The Fermi-Dirac function is represented by an S-shaped curve indicating the probability of an energy state being occupied by an electron at a given temperature. The Fermi level is the energy level at which there is a fifty percent chance of finding an electron, and it is positioned between the lower-energy valence band and the higher-energy conduction band.
At absolute zero temperature, electrons fill all energy states up to the Fermi level, leaving upper states empty. As the temperature rises,...