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21
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22
lecture 13
reciprocal lattice, Bragg and von Laue formulations of X-ray scattering
make-up lecture 2 pm in BL 480
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23
lecture 14
X-ray scattering from Bravias lattice with a basis, Bloch's theorem, energy gaps at Bragg planes
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24
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25
lecture 15
Brillouin zones, Born-von 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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26
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27
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28
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29
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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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31
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