What is the difference in the semiconductor obtained by doping silicon with Al

May 20th, 2016
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What is the difference in the semiconductor obtained by doping silicon with Al Doping p-type semiconductors and n- type semiconductors concepts explained

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What is the difference in the semiconductorobtained by doping silicon with AlWe get a p-type semiconductor .p-dopingIn contrast to the free electron due to doping with phosphorus, the 3-valent dopant effect is exactlythe opposite. The 3-valent dopants can catch an additional outer electron, thus leaving a hole in thevalence band of silicon atoms. Therefore the electrons in the valence band become mobile. The holesmove in the opposite direction to the movement of the electrons. The necessary energy to lift anelectron into the energy level of indium as a dopant, is only 1 % of the energ

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