PHYS 375, Assignment 8, Due Friday, 02/20, 10:10am Read: finish reading ch. 4 and the supplement by Friday. Problem 1 (Omar): The energy of the band in the TB model is given by = - -
Where and are constants, as indicated in your notes, an

PHYS 375, Assignment 9, Due Friday, 03/27, 10:10am Read: Read chapter 5 by Friday. Problem 1 (Kittel): Indium antimonide has Eg=0.23 eV; dielectric constant =18; electron effective mass me=0.015m. Calculate (a) the donor ionization energy; (b) the ra

PHYS 375, Assignment 6, Due Monday, 02/20, 10:10am Read: Finish reading ch. 3 by Friday. Problem 3.2 (pg. 99) Problem 2 (Omar) Sodium has a volume expansion coefficient of 1510-5 K-1. Calculate the percentage change in the Fermi energy F as the tempe

PHYS 375, Assignment 2, Due Friday, 01/23, 10:10am Read Finish reading Chapter 1 by Friday.
Problem 1: (a) Determine the maximum wavelength for which Bragg reflection can be observed on a simple cubic crystal with a lattice constant of 3.6. (b) What

PHYS 375, Assignment 5 v.2, Due Monday, 02/16, 10:10am Read: Read Ch.3 up to section 3.3 by Friday. Problem 1 In a Bragg reflection experiment using copper, a sharp peak is observed at an angle of 25.23 at 300K. At 500 K, the same peak is observed at