Figure 3

Gas ambient dependence of LAO/STO (
) and Pd/LAO/STO (
) in dark: (a) Conductance, G and (b) surface work function, W. Both G and W in each gas are taken from the data in Fig. 2, just before the light illumination.

Gas ambient dependence of LAO/STO (
) and Pd/LAO/STO (
) in dark: (a) Conductance, G and (b) surface work function, W. Both G and W in each gas are taken from the data in Fig. 2, just before the light illumination.