The most important question of
Semi Conductor Physics in Electronic Devices and Circuits;
Explain about intrinsic & extrinsic semiconductors?, is being answered here.
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| intrinsic and extrinsic semiconductors |
INTRINSIC MATERIALS:
Pure semiconductor is called Intrinsic semiconductor.
Semiconductor with impurities added are called extrinsic semiconductor.
EXTRINSIC MATERIALS:
n- and p-type The characteristics of semiconductor materials can be altered significantly by the addition of certain impurity atoms into the relatively pure semiconductor material. These impurities, although only added to perhaps 1 part in 10 million, can alter the band structure sufficiently to totally change the electrical properties of the material. A semiconductor material that has been subjected to the doping process is called an extrinsic material.
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