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Hopping Conduction in Mn Ion-Implanted GaAs Nanowires.

Paschoal, Waldomiro LU ; Kumar, Sandeep LU ; Borschel, Christian ; Wu, Phillip LU ; Canali, Carlo M ; Ronning, Carsten ; Samuelson, Lars LU and Pettersson, Håkan (2012) In Nano Letters 12(9). p.4838-4842
Abstract
We report on temperature-dependent charge transport in heavily doped Mn(+)-implanted GaAs nanowires. The results clearly demonstrate that the transport is governed by temperature-dependent hopping processes, with a crossover between nearest neighbor hopping and Mott variable range hopping at about 180 K. From detailed analysis, we have extracted characteristic hopping energies and corresponding hopping lengths. At low temperatures, a strongly nonlinear conductivity is observed which reflects a modified hopping process driven by the high electric field at large bias.
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author
; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nano Letters
volume
12
issue
9
pages
4838 - 4842
publisher
The American Chemical Society (ACS)
external identifiers
  • wos:000308576000069
  • pmid:22889471
  • scopus:84866332692
  • pmid:22889471
ISSN
1530-6992
DOI
10.1021/nl302318f
language
English
LU publication?
yes
id
0ad8ed23-f2ed-4915-8fcd-e5f9e18ba024 (old id 3047563)
date added to LUP
2016-04-01 13:33:05
date last changed
2023-11-12 18:25:02
@article{0ad8ed23-f2ed-4915-8fcd-e5f9e18ba024,
  abstract     = {{We report on temperature-dependent charge transport in heavily doped Mn(+)-implanted GaAs nanowires. The results clearly demonstrate that the transport is governed by temperature-dependent hopping processes, with a crossover between nearest neighbor hopping and Mott variable range hopping at about 180 K. From detailed analysis, we have extracted characteristic hopping energies and corresponding hopping lengths. At low temperatures, a strongly nonlinear conductivity is observed which reflects a modified hopping process driven by the high electric field at large bias.}},
  author       = {{Paschoal, Waldomiro and Kumar, Sandeep and Borschel, Christian and Wu, Phillip and Canali, Carlo M and Ronning, Carsten and Samuelson, Lars and Pettersson, Håkan}},
  issn         = {{1530-6992}},
  language     = {{eng}},
  number       = {{9}},
  pages        = {{4838--4842}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Nano Letters}},
  title        = {{Hopping Conduction in Mn Ion-Implanted GaAs Nanowires.}},
  url          = {{http://dx.doi.org/10.1021/nl302318f}},
  doi          = {{10.1021/nl302318f}},
  volume       = {{12}},
  year         = {{2012}},
}