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Phys 460 Homework # 2

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Due Monday, Sept. 18, 2006

  1. Kittel, Problem 2-1 (The last part is the same as was assigned in Homework 1. In this problem you are asked to work out a general result valid for all crystals, and then to show you get the same result for the cubic case as you did in Homework 1.)
  2. Kittel, Problem 2-3
  3. Kittel, Problem 2-4
  4. In the lower part of figure 17 of Kittel Chapter 2 is shown scattering of x-rays from a powder of KBr. What is the wavelength of the x-ray? The energy of the x-ray?
  5. Suppose there were no labels on the peaks in the lower part of figure 17 of Kittel Chapter 2. How could you tell just from the positions of the peaks that the crystal is fcc and not bcc?
  6. Kittel, Problem 2-5

Email question/comments/corrections to rmartin@uiuc.edu