Figures

Figure 1

Output characteristic measured under UV-illumination.

Figure 2

Topmost trace of the output characteristic for VGS=1V: a) after several hours at roomlight and zero bias (straight line), b) 10s afterwards (dashed line), c) after brief UV-illumination (dash-dotted line). The dotted line shows the topmost trace after pinching off the device for 5 min.

Figure 3

The first 400s of the drain current transients for VGS=0V and VDS=100 mV measured for 5 hours in the dark. Before each transient the sample was biased at VDS0=100 mV and the V0GS indicated in the figure.

Figure 4

Drain-current transients measured at different temperatures with VGS=1 V and VDS=6 V. Prior to the measurement the device was pre-biased at VGS0=-10 V and VDS0=6 V for 5 min.

Figure 5

Arrhenius-plot of the time constants determined from the drain current transients measured at different temperatures.

Figure 6

Steady state drain-currents for VDS=100 mV and VGS=0 V. The light intensity is 0.4 W/m2.

© 2000 The Materials Research Society