Current--voltage characteristics of an individual helical CdS nanowire rope |
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Authors: | Long Yun-Ze Wang Wen-Long Bai Feng-Lian Chen Zhao-Ji Jin Ai-Zi and Gu Chang-Zhi |
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Institution: | Beijing National Laboratory for Condensed Matter Physics,
Institute of Physics,
Chinese Academy of Sciences, Beijing
100080, China; Beijing National Laboratory for Molecular Sciences,
Institute of Chemistry,
Chinese Academy of Sciences, Beijing
100080, China; College of Physics Science, Qingdao University,
Qingdao
266071, China |
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Abstract: | This paper studies the electronic transport in an individual
helically twisted CdS nanowire rope, on which platinum microleads are
attached by focused-ion beam deposition. The current--voltage ($I-V$)
characteristics are nonlinear from 300 down to 60\,K. Some step-like
structures in the $I-V$ curves and oscillation peaks in the
differential conductance (d$I$/d$V-V$) curves have been observed even
at room temperature. It proposes that the observed behaviour can be
attributed to Coulomb-blockade transport in the one-dimensional CdS
nanowires with diameters of 6--10\,nm. |
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Keywords: | nanowires CdS $I-V$
characteristics Coulomb blockade |
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