ECE474S09_Lecture08 - 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 08: Finish Physical Structures: Planes and directions Low index cleavage planes Miller indices Energy landscape of a single material Heterostructure Interfaces “Lattice matching” for “(energy) bandgap engineering” Brief discussion of edits in Lecture 06
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“Bandgap engineering” “Lattice matching”
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Motivation: Use to build heterostructure devices Good lattice match
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Motivation: Use to build heterostructure devices Bad lattice match = mis-match
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Heterostructure devices: Fig 1-16 11.47 Ang Fig 3-13
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Lecture07: When a loose electron drops back into a bond, it must loose energy E gap . This energy may come off as a photon of light.
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energy and its direction/velocity of motion (momentum)
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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_Lecture08 - ECE 474 Principles of Electronic...

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