L3 MTE208 Bonding and Metal Structures Sv

L3 MTE208 Bonding and Metal Structures Sv - Bonds, Bands,...

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Bonds, Bands, and Metallic Structures Lecture 3 Fall 2010
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Announcements Quiz 1 will be Monday, Oct. 11 th on material covered through this set of lecture slides. Revised HW 1 is due at the beginning of class Wed. HW 2 is due at the beginning of class Wed. There are 4 pages! HW 3 will be posted soon and is due partially online and all of the work on paper is due at the beginning of class on Mon. Oct 11. AEW workshops start Tomorrow. They are optional. Note: Classroom too cold, changed rooms to 211. I’ll try to figure out where we will meet before the next class.
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How are you today? A. Great! B. Just fine C. So –So D. I’ve had better days. .. E. Not so good
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How is the pace of the LECTURE so far? A. A little slow, you could go faster B. About right C. Too fast, too many new things, please slow down
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Today’s Topics Electronegativity Atomic Orbitals to Molecular Orbitals Sigma bonds Bonds to Band Structures Insulators, semiconductors, metals Electronic conductivity 3D Structures of Metals: FCC, HCP, BCC Close Packed planes, Coordination Numbers, Nearest Neighbors CP structures Theoretical Density Calculations You can read about these topics to prepare for the next class.
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Learning Objectives Utilize knowledge of electronegativity trend across the periodic table to predict bond type. Recognize and describe sigma bonds. Describe how molecular orbitals become electronic bands in solids Draw and label the band diagrams of insulators, semiconductors and metals Be able to classify a material by its band diagram Explain the relationship between electronic conduction and the band structure
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Electronegativity A measure of the relative ability of an atom to attract or hold electrons. Higher electronegativity values mean an atom has greater
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This note was uploaded on 11/28/2010 for the course MTE 209 taught by Professor Tanyafalten during the Fall '09 term at Cal Poly Pomona.

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L3 MTE208 Bonding and Metal Structures Sv - Bonds, Bands,...

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