ECE474S09_Lecture07 - 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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Lecture 07: Finish Physical Structures: Planes and directions Low index cleavage planes Miller indices Energy landscape of a single material Heterostructure Interfaces Lattice constant match/mis-match Energy bandgaps of both materials Brief discussion of edits in Lecture 06
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Moving electrons = conduction electrons Note: well-defined energies wherever an electron goes Electrons in bonds = valence electrons Maximum energy (eV) is defined = 0 = 1.11 eV in Streetman <111> <100> Energy in eV The minimum difference in energy between a conduction electron and the same electron in a bond is called the energy bandgap E gap
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http://www.chem.qmul.ac.uk/iupac/AtWt/table.html II III IV V VI
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Moving electrons = conduction electrons Note: well-defined energies wherever an electron goes Electrons in bonds = valence electrons Maximum energy (eV) is defined = 0 = 1.11 eV in Streetman <111> <100>
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ECE474S09_Lecture07 - ECE 474 Principles of Electronic...

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