Article ID Journal Published Year Pages File Type
1813141 Physica B: Condensed Matter 2010 11 Pages PDF
Abstract

Our results for the bandgap changes in highly excited intrinsic (heavily doped-HD) Si (Ge) for any majority-carrier density N and temperature T have been investigated and expressed in terms of (i) the bandgap narrowing (BGN>0) due to many-body carrier–carrier interactions and screening effect on carrier-impurity (or electron–hole) potential energies, (ii) the bandgap widening (BGW<0) due to the effects of Fermi Dirac statistics, and (iii) the apparent BGN defined by ABGN≡BGN+BGW

Related Topics
Physical Sciences and Engineering Physics and Astronomy Condensed Matter Physics
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