ECE474S11_Lec14_14Feb11

ECE474S11_Lec14_14Feb11 - ECE 474: Principles of Electronic...

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ECE 474: Principles of Electronic Devices Prof. Virginia Ayres Michigan State University ayresv@msu.edu
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V.M. Ayres, ECE474, Spring 2011 Lecture 14: Chp. 03 ± Introducing a new way to understand current I ± N(E) and f
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V.M. Ayres, ECE474, Spring 2011 Lecture 14: Chp. 03 ± Introducing a new way to understand current I ± N(E) and f
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V.M. Ayres, ECE474, Spring 2011 Lecture 12, slide 7: V.M. Ayres, ECE474, Spring 2011 <111> <100> Energy in eV The PE physical situation of an electron ψ inside a semiconductor (GaAs): e- PE (eV) Chp. 03
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V.M. Ayres, ECE474, Spring 2011 Compare this to a road through the Rocky mountains. Analyze what is involved: Google: rocky mountains facts pictures Barrier Road along valley floor: best Road along upper valley: OK
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V.M. Ayres, ECE474, Spring 2011 Compare this to a road through the Rocky mountains. Analyze what is involved: Google: rocky mountains facts pictures Some paths through this would require immense energy Road along valley floor: requires least energy Road along upper valley: OK energy requirement after you get into it.
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V.M. Ayres, ECE474, Spring 2011 Compare this to a road through the Rocky mountains. Analyze what is involved: Google: rocky mountains facts pictures When are you most likely to find cars on these roads, daytime or night time?
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V.M. Ayres, ECE474, Spring 2011
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ECE474S11_Lec14_14Feb11 - ECE 474: Principles of Electronic...

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