Full text loading...
Transient lateral open-circuit photovoltages after excitation with a laser pulse on the LSMO/Si junction in the direction at . Numbers in the figure denote the coordinate values of the laser spot positions. The top inset shows the layout of the sample with contacts ( , 0), ( , 0), and the laser spot . The bottom one displays the schematic circuit of the measurement.
Dependence of the peak photovoltage on the position of the laser spot in the direction and direction (the inset).
Three-dimensional plot for the as a function of the position of the laser spot.
Lateral peak photovoltage (solid circle point), and transverse peak photovoltages (solid square point) and (open square point), as a function of the position of the laser spot in the direction at . The open circle points are a simple addition of transverse photovoltages, . The lines are guides for the eye. The inset displays the schematic electrode setting for the , and measurements.
Schematic band structure for the LSMO/Si junction, and the schematic movement of the photon created carriers for the system irradiated by the laser spot.
Article metrics loading...