Semiconductor Physics - Talking Electronics
In Used Band Description of of Temperature on on n-type andp-type and of Voltage across pn-Junction or Biasing a pn- Flow in a ForwardBiased Characteristics of in the Operating Con-ditions of pn-JunctionINTRINTRINTRINTRINTRODUCTIONO DUCTIONODUCTIONODUCTIONODUCTIONCertain substances like germanium, silicon, car-bon etc. are neither good conductors like cop-per nor insulators like glass. In other words,the resistivity of these materials lies inbetween conduc-tors and insulators. Such substances are classified assemiconductors. semiconductors have some usefulproperties and are being extensively used in electroniccircuits.
56 Principles of Electronics 5.1 Semiconductor It is not easy to define a semiconductor if we want to take into account all its physical characteristics. However, generally, a semiconductor is defined on the basis of electrical conductivity as under :
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