Fig. 3

Plot for emission current stability(I) with respect to time(t) using stacking for the samples AlGr1.25, AlGr1.5, AlGr1.75, and AlGr2.

Plot for emission current stability(I) with respect to time(t) using stacking for the samples AlGr1.25, AlGr1.5, AlGr1.75, and AlGr2.