Hot Carriers in Semiconductors pp 125-127 | Cite as
Field Induced Electron Capture by Metastable Centers in Planar-Doped GaAs:Si
Chapter
Abstract
Capture of hot carriers by deep traps above the Fermi level in GaAs highly planar-doped with Si by molecular beam epitaxy is investigated at 77 K. Usually carrier trapping in such centers is studied by applying pressure1–5, thus reducing the energy difference between the conducting Γ-states and the centers. In contrast to those measurements performed in thermodynamic equilibrium, in our experiments the carriers gain the desired energy by heating in an applied electric field.
Keywords
Current Change Threshold Field Negative Differential Conductivity Carrier Heating Equivalent Charge
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© Plenum Press, New York 1996