Abstract
The transport parameters of electrons in diamond has been investigated at high temperatures of 500 and 700 K for electric fields ranging from 0.4 to 100 kV/cm. It is found that the diffusion coefficient decreases with increasing temperature and electric fields. The drift velocity at 100 kV/cm decreased from 1.5 × 10 7 to 1.0 × 10 7 cm/s as the temperature increased from 300 to 700 K. At fields above 50 kV/cm, a nonparabolicity factor of 0.25 eV -1 softens excessive heating of the electrons and the increase in the diffusion coefficient.
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