In y Ga1−y As/In y Al1−y As resonant tunneling diodes on GaAs
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20.The best PVRs in RTDs have usually had binary, not ternary barrier layer materials. The change in valley current is not accounted for completely by the change in barrier height, and so alloy scattering is a candidate for contributing to the valley current. See Refs. 1, 3, and 11 and references therein.
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