Abstract
Magneto-ballistic transport is studied in a mesoscopic four-terminal junction with broken symmetry in the classical ballistic transport regime. Depending on the measurement configuration the device acts as a non-centrosymmetric Hall junction or a ballistic rectifier. In Hall configuration the absolute value of the Hall voltage depends on the current polarity. This nonlinearity is attributed to a current-polarity-dependent feeding of ballistic electrons into the Hall probes. A centrosymmetric reference sample shows the well-known linear Hall characteristic. In rectifier configuration the rectified inertial-ballistic signal is superimposed by the Hall component. The inertial-ballistic component is maintained in perpendicular magnetic fields exceeding B = 400 mT .
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