ECE474S09_Lecture19 - ECE 474 Principles of Electronic...

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Unformatted text preview: ECE 474: Principles of Electronic Devices Prof. Virginia Ayres Electrical & Computer Engineering Michigan State University [email protected] Chp. 03: Current State-of-Art Transistors: Doped materials: Ionisation energy E d Effective mass: introduction Concentrations of carriers in doped materials Majority carrier and minority carrier headcounts Correct headcounts: called “space charge neutrality” Lecture 19 Chp. 03: Current State-of-Art Transistors: Doped materials: Ionisation energy E d Effective mass: introduction Concentrations of carriers in doped materials Majority carrier and minority carrier headcounts Correct headcounts: called “space charge neutrality” Lecture 19 Chp. 03: Current State-of-Art Transistors: Doped materials: Ionisation energy E d Effective mass: introduction Concentrations of carriers in doped materials Majority carrier and minority carrier headcounts Correct headcounts: called “space charge neutrality” Lecture 19 As+ Physical structure: As+ Physical structure: Energy landscape:...
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This note was uploaded on 04/14/2009 for the course ECE 474 taught by Professor Ayres during the Spring '09 term at Michigan State University.

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ECE474S09_Lecture19 - ECE 474 Principles of Electronic...

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