Mapping potential landscapes of semiconducting carbon nanotubes with scanning gate microscopy

Autor: Yongsun Kim, Ji-Yong Park, Young Mu Oh, Se-Jong Kahng
Rok vydání: 2007
Předmět:
Zdroj: Nanotechnology. 18:475712
ISSN: 1361-6528
0957-4484
DOI: 10.1088/0957-4484/18/47/475712
Popis: Inhomogeneities in the energy bands of semiconducting carbon nanotubes (CNTs) are investigated with scanning gate microscopy (SGM). Non-uniform responses of a semiconducting CNT to a local electric field are found in SGM images which are obtained at the different depletion states of the CNT. The results indicate that local potential perturbations affect the transport characteristics of semiconducting CNTs significantly, especially near the off-state of the device.
Databáze: OpenAIRE