6.730 Physics for Solid State Applications
Lecture 14: Electrons in a Periodic Solid
Outline
Review LCAO for 1-D Crystals
Preview Problem for 2-D Crystal
2-D and 3-D Tight-binding
Example: 2-D Crystal, single atom basis, 4 orbitals
Energy Band for 1-D
6.730 Physics for Solid State Applications
Lecture 13: Electrons in a Periodic Solid
Outline
Review Electronic Bandstructure Calculations
Example: 1-D Crystals with Two Atomic Functions
Example: 1-D Crystals with Two Atom Basis
Overview
Overview
2N ele
6.730 Physics for Solid State Applications
Lecture 12: Electrons in a Periodic Solid
Outline
Review Lattice Waves
Brillouin-Zone and Dispersion Relations
Introduce Electronic Bandstructure Calculations
Example: Tight-Binding Method for 1-D Crystals
So
6.730 Physics for Solid State Applications
Lecture 10, 11: Specific Heat of Discrete Lattice
Outline
2-D Lattice Waves Solutions
Review Continuum Specific Heat Calculation
Density of Modes
Quantum Theory of Lattice Vibrations
Specific Heat for Lattic
6.730 Physics for Solid State Applications
Lecture 9: Lattice Waves in 1D with Diatmomic Basis
Outline
Review Lecture 8
1-D Lattice with Basis
Example of Nearest Neighbor Coupling
Optical and Acoustic Phonon Branches
Strain in a Discrete 1-D Monatomic
6.730 Physics for Solid State Applications
Lecture 8: Lattice Waves in 1D Monatomic Crystals
Outline
Overview of Lattice Vibrations so far
Models for Vibrations in Discrete 1-D Lattice
Example of Nearest Neighbor Coupling Only
Relating Microscopic and
6.730 Physics for Solid State Applications
Lecture 5: Specific Heat of Lattice Waves
Outline
Review Lecture 4
3-D Elastic Continuum
3-D Lattice Waves
Lattice Density of Modes
Specific Heat of Lattice
Specific Heat Measurements
Specific
(hyperphysics.
6.730 Physics for Solid State Applications
Lecture 3: Metal as a Free Electron Gas
Rajeev J. Ram
Generalizations from Molecules to Solids
Generalizations
The source of the binding energy is primarily the electrostatic potential
between the nuclei and the
6.730 Physics for Solid State Applications
Lecture 2: Vibrational and Rotational States in Hydrogen
Rajeev J. Ram
Review Lecture 1: H2
Review
, the wavefunction for the entire system of nuclei and electrons
me
M1
R1
r
R2
M2
Approximate Models: Simplifying
6.730 Physics for Solid State Applications
Lecture 1: Molecules the Simple Solid
Rajeev J. Ram
6.730
PSSA
Syllabus
Molecules
Approximate models for molecular bonding
Vibrational and rotational modes
Continuum Models of Solids
Elasticity
Free electro