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Microelectronics Materials and Devices
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Introduction3 Topics
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Crystal Structure17 Topics
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Semiconductor Devices in Microelectronics
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Atom Arrangement (Carbon) vs Material Property
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Crystal Structure and Ordering
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Crystal Structure
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Cubic Lattices
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Derivatives of FCC Lattices
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Hexagonal Lattices
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Cubic Close Packing
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Hexagonal Close Packing
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Atomic Packing Factor
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Planes and Directions
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Directions in Crystal
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Applications of Miller Indices: Si Wafers
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Crystallographic Orientation
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Crystal Plane and Crystal Direction
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Experimental Determination of Crystal Structure & Properties
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Summary and Learning Outcomes
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Semiconductor Devices in Microelectronics
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Energy Bands
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Dielectrics and Other Non-semiconductor Materials
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Semiconductors
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P-N Junctions
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MOS Capacitors
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Metal Semiconductor Contacts
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Simple Cubic Structure (sc)Body-CenteredCubic (bcc)Face-Centered Cubic
Reduced Sphere representation
Note: Since each atom is shared by 8 unit cells, only 1/8 of each corner atom is inside each unit cell
Cubic lattices can be specified by a single lattice constant a.
- Example of BCC metals: Fe, W, Mo, Nb, Ta, V, Cr
- Examples of FCC metals: Cu, Al, Au, Ag, Pb, Ni, Pt Note fcc coordinates
- Each atom on the faces is shared by two unit cells.