Journal
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
Volume 45, Issue 12-16, Pages L364-L366Publisher
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.45.L364
Keywords
nanodevice; atomic switch; solid electrochemical reaction; Ag2S; electronic and ionic mixed conductor
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We measured the switching time of an atomic switch that is operated by controlling the formation and annihilation of an atomic bridge in a nanogap between two electrodes using solid electrochemical reaction. The switching time becomes exponentially shorter with increasing the switching bias voltage. This exponential relation indicates that the switching time is determined by the solid electrochemical reaction, which is supported by theoretical estimation using a simple model. These results suggest the possibility that the atomic switch can be operated as fast as semiconductor devices currently used.
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