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Calculation of the electron velocity distribution in high electron mobility transistors using an ensemble Monte Carlo method (1985)

Wang, T. ; Hess, K.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 57 (1985), S. 5336-5339

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The electron velocity distribution is calculated for an idealized model of the high electron mobility transistor using a many-particle Monte Carlo model and a self-consistent two-dimensional Poisson solver. Hot electron effects, nonstationary effects, and real space transfer are analyzed. The results show that significant velocity overshoot, 2.8×107 cm/s at 300 K and 3.7×107 cm/s at 77 K exists under the gate and that the velocity overshoot is limited by both k-space transfer and real-space transfer. The values of the overshoot velocities are much smaller than those obtained from the more conventional drift-diffusion model.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.334851

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