Resistance switch using metal nanogap electrodes in air

2012 
Resistance switching in nanogap electrodes, the electrodes of which are made of platinum and gold, was investigated in air. The “off-to-on” transition in air was achieved by voltage sweeping enforced with a current-compliance operation that suppresses the overcurrent just after the change in tunneling resistance. It was also found that the applied voltages for the “on-to-off” resistance transition could be suppressed in air. These results imply that resistance switching is caused in air, and moreover, that the switching voltage is affected by the surroundings.
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