Table 3: Parameters of the Schottky diodes with and without the surface treatments calculated from the - and - characteristics.

SamplesCurrent ratio (@ ±2 V) (eV) (eV) (/cm3)

Untreated1.150.592.010.66−6.9 × 1015
H2O2-treated3.3 × 1070.901.200.97−1.5 × 1015
(NH4)2 -treated3.1 × 1070.871.300.92−2.2 × 1015