Abstract
Al2O3 passivated n-doped Si substrates are investigated by second-harmonic generation (SHG) upon applying an external electric field by a corona wire. The observed change in the SHG response upon applying an external electric field is attributed to charge transfer in the semiconductor. Capacitance-voltage measurements are performed to affirm this conclusion. Upon applying a large negative electric field over the structure, a clear alteration in SHG signal is observed, which corresponds to tunneling of holes from the n-doped silicon into the aluminum oxide layer.
| Original language | English |
|---|---|
| Article number | 082104 |
| Journal | Applied Physics Letters |
| Volume | 102 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 25 Feb 2013 |
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