7.5 Bulk-Limited Electrical Conduction Involving Two Types of Carriers
Similar to bulk-limited electrical conduction involving one type of carrier, in cases involving two types of carriers, one of the electrical contacts must be ohmic, acting as a carrier reservoir for one type of carrier (say electrons), and the other electrical contact must also be ohmic, acting as a reservoir for the other type of carrier (say holes). Thus, bulk-limited electrical conduction is governed by the bulk properties of the materials.
7.5.1 Physical Concepts of Carrier Trapping and Recombination
Because no perfect crystals exist in this world, there are always traps associated with various defects present in the solids. Sudden application of a step-function voltage ...
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