Jan 22 M Lecture # 1 - Evidence for crystals; Lattice and basis; Read Kittel Chapter 1: Crystal Structure 24 W Lecture # 2 - Bravias lattice, Point group, Space group. 26 F Lecture # 3 - sc,fcc,bcc,hcp; Primitive basis vectors; Primitive cells (p-cells); Wigner-Seitz cells 29 M Lecture # 4 - Miller indices, Miller planes. 31 W Lecture # 5 - Bragg diffraction (a.k.a. Bragg scattering, Bragg "reflection"); Read Kittel Chapter 2: Wave Diffraction and the Reciprocal Lattice Feb 2 F Lecture # 6 - Reciprocal lattice, k-space, First Brillouin zone. 5 M Lecture # 7 - Fourier series. 7 W Lecture # 8 - Fourier series; Read Kittel Chapter 3: Crystal Binding and Elastic Constants (skim lightly pp 73-84) 9 F Lecture # 9 - Diffraction conditions, Laue equations; Ewald construction, Structure factor. 12 M Lecture #10 - van der Waals - London dispersion force 14 W Lecture #11 - vdW binding of noble gas crystals, cohesive energy, Lennard-Jones 6-12 potential, L-J lattice sums 16 F Lecture #12 - Ionic binding, lattice energy, Madelung constant ... Chapter 10: Superconductivity