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Maxwell Fishman edited As_seen_in_figure_1a__.tex
over 8 years ago
Commit id: 7d91a55827036bbb8018e493f0204eef4cf4c08c
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For the 1D case, the transmission probability can be used in equation 3 to solve for current.
\begin{equation}
J_d = \frac{qg_sg_v}{\hbar(2\pi)^d}\int
d^dk d^dk* v_g(k)T(k)[f_L(k)-f_R(k)]
\end{equation}
For conventional RTD's, the low energy band structure can be represented by a parabolic band with a effective mass. When barrier height and effective mass are chosen appropriately, this scheme can represent conventional RTD's with parabolic band structures, such as GaAs RTD's. The general form of the I-V curve for a RTD can be reproduced using equation 3. As seen in figure 2, once past the resonant region, the current goes through a negative differential resistance region.