Abstract
The solution of the one-dimensional Schrodinger wave equation is presented for the potential-energy function that describes a double delta-barrier under the application of a constant electrical field perpendicular to it. The transfer matrix technique is employed to determine the transmission coecient in an analytical form. Some attributes of the transmission coecient are established. The transmission coecient is shown to exhibit maxima and minima, the conditions for maxima and minima in the transmission coecient are discussed. The current‐voltage characteristic of the biased double delta-barrier is calculated numerically. It is found to exhibit the same oscillatory behaviour as the transmission coecient when the voltage applied to the double delta-barrier is increased. The width of the double delta-barrier is shown to modulate the peak-to-valley ratio in the current‐voltage characteristic.
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