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(Color online) Schematic layer structure of the resonant tunneling diode (gate not included) and scanning electron microscopy image of device’s top view.
(a) (solid curve) and (dashed curve) curves with zero field at . The dotted curve is the curve before top contact annealing. (b) Selected curves with magnetic field from at .
(a) Comparison of curves between experiment (solid curve) and simulation. The dotted curve is the simulated result of a well, the dashed curve is for a well. The insert shows the conduction potential profile (solid curve), local density in spray scale, and transmission (dashed curve) at . (b) Comparison of the field dependence of splitting magnitude of tunneling peaks between experiment (circles and squares) and simulation (solid curve). The insert is the field dependence of Zeeman splitting energy of the conduction band in II-Mn-IV with Mn compositions equal to 0.08 and 0.1.
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