Question: The density, atomic mass, Debye temperature and specific heat per unit volume of silicon are 2.33 g cm3 , 28 amu, 645 K, and 1.65

The density, atomic mass, Debye temperature and specific heat per unit volume of silicon are 2.33 g cm−3 , 28 amu, 645 K, and 1.65 J cm−3 K−1 , respectively. If the mean free path of phonons in silicon is 41 nm, calculate the thermal conductivity of silicon. Density must be used to get final value.

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