NDLI: Photo‐Induced Tunneling Current in Single‐Wall Carbon Nanotubes investigated by Scanning Tunneling Spectroscopy

Content Provider	Semantic Scholar
Author	Kazaoui, Said Mandal, Sanjib Kumar Minami, Nobutsugu
Copyright Year	2002
Abstract	The electronic properties of single‐wall carbon nanotubes (SWCNT) under light excitation were investigated by scanning tunneling microscopy and spectroscopy (STM/STS), since this technique allows both imaging and probing individual nanotubes. A photo‐induced tunneling current (PITC) was observed for semiconducting and metallic SWNT only when the excitation energy exceeds the 1st pairs of van Hove singularity in the density of state. Moreover, the PITC effect occurs at both positive and negative sample bias, increases linearly with the light intensity and is reversible. Further experiments are in progress to elucidate the mechanism of PITC and to ultimately reveal the photoconductivity response of individual SWCNT.
Starting Page	318
Ending Page	321
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1063/1.1514132
Alternate Webpage(s)	https://staff.aist.go.jp/s-kazaoui/KAZAOUI-IWEPNM2002.pdf
Alternate Webpage(s)	https://doi.org/10.1063/1.1514132
Volume Number	633
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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