High-temperature transport of electrons in diamond

✍ Scribed by Mohamed A. Osman

• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 314 KB
• Volume: 185
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/0921-4526(93)90280-j

✦ Synopsis

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 x 10' to 1.0 x 10' cm/s as the temperature increased from 300 to 700 K. At fields above 50 kV/cm, a nonparabolicity factor of 0.25 eV-' softens excessive heating of the electrons and the increase in the diffusion coefficient.