Thermal conductivity of germanium, silicon, and carbon nitrides

Morelli, D. T.; Heremans, J. P.
December 2002
Applied Physics Letters;12/30/2002, Vol. 81 Issue 27, p5126
Academic Journal
We present a model calculation of the thermal conductivity of germanium nitride, silicon nitride, and carbon nitride in a temperature range in which intrinsic phonon scattering is dominant. We show that, in spite of the rather complex crystal structure of these nitrides, thermal conductivities exceeding 100 W m[sup -1]K[sup -1] can be attained in some of these compounds due to the combination of high Debye temperature and small Grüneisen constant.


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