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We experimentally show the detailed electrical transport characteristics of an SnO 2 nanomaterial with three-branch junction morphology, termed the nanowire T-junction. By contacting the three branches of a T-junction as the gate, source and drain, some control and tunability has been achieved over the output current, without the need for an external gate, analogous to the operation of a field...
For detecting substances that are invisible to the human eye or nose, and particularly those biomolecules, the devices must have very small feature sizes, be compact and provide a sufficient level of sensitivity, often to a small number of biomolecules that are just a few nanometres in size. Electrical nanogap devices for biosensing have emerged as a powerful technique for detecting very small quantities...
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