ECE474S11_Lec08_28Jan11

# ECE474S11_Lec08_28Jan11 - 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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V.M. Ayres, ECE474, Spring 2011 Example for VA Pr. 01 Ù 1.13: The {111} family of planes with the <111> family of directions. There are X = 8 of these.
V.M. Ayres, ECE474, Spring 2011 Va Pr. 01 is: do likewise for the {110} family. You need only draw four out of the X possibilities. Hint: X is NOT equal to 8.

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V.M. Ayres, ECE474, Spring 2011 Lecture 08: ± Lectures: Hexagonal nanosystems: graphene and carbon nanotubes ¾ Introduction to graphene and CNTs ¾ The Basis Vectors: a 1 and a 2 ¾ Nearest neighbor distances ¾ The Chiral Vector: C h ¾ The CNT diameter d t ¾ The Translation Vector: T ¾ The Unit Cell of a CNT ¾ Number of hexagons N ¾ Number of carbon atoms 2N ( π electrons) ¾ Areal Density Examples of each Quantify physical structures of crystal systems that are important for devices:
V.M. Ayres, ECE474, Spring 2011 Lecture 08: ± Lectures: Hexagonal nanosystems: graphene and carbon nanotubes ¾ Introduction to graphene and CNTs ¾ The Basis Vectors: a 1 and a 2 ¾ Nearest neighbor distances ¾ The Chiral Vector: C h ¾ The CNT diameter d t ¾ The Translation Vector: T ¾ The Unit Cell of a CNT ¾ Number of hexagons N ¾ Number of carbon atoms 2N ( π electrons) ¾ Areal Density Examples of each Quantify physical structures of crystal systems that are important for devices:

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V.M. Ayres, ECE474, Spring 2011
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ECE474S11_Lec08_28Jan11 - ECE 474 Principles of Electronic...

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