Table 1 Fitting parameters for the tunneling model
\(\alpha\) value (µS) | Positive current | Negative current | ||||
|---|---|---|---|---|---|---|
Junction | \({\alpha }_{o}\) | \({\alpha }_{-M}\) | \({\alpha }_{+M}\) | \({\alpha }_{o}\) | \({\alpha }_{-M}\) | \({\alpha }_{+M}\) |
(Ga,Mn)As/AHPA-L/Au | 1130 | 29.8 | –20.9 | 786 | 28.2 | –20.4 |
(Ga,Mn)As/AHPA-L/Al | 836 | 2.92 | –3.95 | 233 | 2.42 | –3.49 |