InSb: Phonons

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InSb Phonons
6.730 Project Part II
Qing Hao Tom Harris
Lu Hu
Aaron Schmidt
March 19, 2005
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Dispersion Relation
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Effect of Mass Ratio
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Displacement k 1 1 1, Mode 1
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Displacement k 2p/a 1 0 0, Mode 6
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Displacement k ??
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Optimization of Spring Constants
Zone Edge Frequencies
Price, D. L., J. M. Rowe, and R. M. Nickov, Phys.
Rev. B3, 4 (1971) 1268-1279
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Sound Velocities and Elastic Constants
Elastic Constants
Sound Velocities
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Phonon Dispersion
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Density of States Mesh in the First Brillouin
Zone
1/48 of the zone is irreducible
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Density of States Simulation Results
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Specific Heat
InSb TD 160K
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