Haile - MS131 Fall 2005

Materials Science 131

Structure and Bonding in Materials

Fall Quarter 2005

Instructor:

Prof. Sossina M. Haile
307 Steele Laboratories, x2958, smhaile@caltech.edu

Teaching Assistant:

Mikhail Kislitsyn
303 Steele Laboratories, x1711, mikhail@caltech.edu

TA Office Hours: TBA

Class Meetings: MWF, 10-11am, Steele 102

Text: "Bonding and Structure in Molecules and Solids," D. Pettifor, Oxford

Course Content:

Introduction

Bonding
Quantum mechanics review
Metals, electrical conductivity
Molecular orbitals, chemical bonding
Covalent and ionic solids
Electronic properties

Structure
Perfect crystalline structure
Point defects, diffusion and ionic conductivity
Non-crystalline structure

Course Structure:

Homework: weekly, 30%
Midterm: Oct 26-Nov 1, 30%
Final: Dec 7-9, 40%

Course Catalog Description:

9 units (3-0-6); first term. Prerequisite: graduate standing or introductory quantum mechanics. Atomic structure, hybridization, molecular orbital theory, dependence of chemical bonding on atom configurations. Covalency, ionicity, electronegativity. Madelung energy. Effects of translational periodicity on electron states in solids. Band structures of group IV semiconductors; transition metals and ferromagnetism. Structural features of materials such as point defects, dislocations, disclinations, and surfaces. Structures of defects calculated with the embedded atom method.

Homeworks

Assignment Assigned Due

Homework 1 9/29/05 10/05/05

Homework 2 10/05/05 10/12/05

Homework 3 10/13/05 10/19/05

Homework 4 10/19/05 10/26/05

Midterm Exam

Homework 5
Homework 5 revised:
(problem 5 omitted)
11/02/05
revised 11/7/05 11/09/05

Homework 6
Homework 6 revised:
(problem 3b changed) 11/09/05
revised 11/11/05 11/16/05

Homework 7 11/16/05 11/23/05

Homework 8
Homework 8 revised:
(problem 2 reworded,
problem 6 omitted)
perovskite structure
11/23/05
revised 12/5/05 12/02/05 [Friday]
new: 12/06/05

Final Exam 12/09/05 [Friday]

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