Schottky diodes based on a single GaN nanowire
- 27 September 2002
- journal article
- Published by IOP Publishing in Nanotechnology
- Vol. 13 (5) , 701-704
- https://doi.org/10.1088/0957-4484/13/5/333
Abstract
On a single GaN nanowire, obtained by chemical vapour deposition, several Schottky-junction diodes were fabricated and their electrical transport properties were studied. Alternately attached metal electrodes of Al and Ti/Au formed a Schottky barrier junction (for Al) or an ohmic contact (for Ti/Au), resulting in several diodes on a single nanowire. The current–voltage measurements exhibited clear rectifying behaviour and no reverse-bias breakdown was observed up to the measured voltage, −5 V. The forward-bias threshold voltage was observed to decrease linearly with temperature, from 0.4 V at 280 K to 1 V at 10 K.Keywords
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