Semiconductor Physics - Talking Electronics

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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.

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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