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ECE474S11_Lec17_21Feb11 - ECE 474 Principles of Electronic...

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ECE 474: Principles of Electronic Devices Prof. Virginia Ayres Electrical & Computer Engineering Michigan State University [email protected]
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V.M. Ayres, ECE474, Spring 2011 Lecture 17: Chp. 03 Doping: it’s neutral ¾ Space charge neutrality ¾ When usual doping approximation is justified ¾ When it is not: temperature extremes ¾ When you choose not: co-doping Physical aspects of doping Drift Current Examples of each
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V.M. Ayres, ECE474, Spring 2011 Lecture 17: Chp. 03 Doping: it’s neutral ¾ Space charge neutrality ¾ When usual doping approximation is justified ¾ When it is not: temperature extremes ¾ When you choose not: co-doping Physical aspects of doping Drift Current Examples of each
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