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22
lecture 13
reciprocal lattice, Bragg and von Laue formulations of Xray scattering
makeup lecture 2 pm in BL 480

23
lecture 14
Xray scattering from Bravias lattice with a basis, Bloch's theorem, energy gaps at Bragg planes

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25
lecture 15
Brillouin zones, Bornvon Karmen boundary conditions, Fourier transforms on a Bravais lattice, Schrodinger's equation for electrons in a periodic potential
HW #3 due

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27

28

29

30
lecture 16
Bloch's theorem more rigorously, crystal momentum and band index, reduced, repeated, and extended zone schemes for electronic band structure, average velocity of a Bloch electron state

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