Measurements of Thermal Conductivity and Thermal Diffusivity of CVD Diamond

@article{Graebner1998MeasurementsOT,
  title={Measurements of Thermal Conductivity and Thermal Diffusivity of CVD Diamond},
  author={John Edwin Graebner},
  journal={International Journal of Thermophysics},
  year={1998},
  volume={19},
  pages={511-523}
}
The thermal conductivity κ of natural, gem-quality diamond, which can be as high as 2500 Wm−1 K−1 at 25°C, is the highest of any known material. Synthetic diamond grown by chemical vapor deposition (CVD) of films up to 1 mm thick exhibits generally lower values of κ but under optimal growth conditions it can rival gem-quality diamond with values up to 2200 Wm−1 K−1. However, it is polycrystalline and exhibits a columnar microstructure. Measurements on free-standing CVD diamond, with a thickness… CONTINUE READING

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