Single charge detection using single-walled carbon nanotube single-hole transistor
Takafumi KamimuraYasuhide OhnoKazuhiko Matsumoto
Abstract
By using the single hole transistor (SHT), we have succeeded in detecting the single charge transition near the channel of single-walled carbon nanotube (SWNT). Abrupt discrete switching of the source-drain current is observed in the electrical measurements of SWNT SHT. These random telegraph signals (RTS) are attributed to fluctuating charge traps near the SWNT SHT conduction channels. The current-switching behavior associated with the occupancy of individual charge traps is analyzed statistically.
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