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Probing variable ra...
Probing variable range hopping lengths by magneto conductance in carbonized polymer nanofibers
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- Kim, Kyung Ho, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Seoul National University
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- Lara Avila, Samuel, 1983 (author)
- National Physical Laboratory (NPL),Chalmers tekniska högskola,Chalmers University of Technology
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- He, Hans, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Chalmers University of Technology, Sweden
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- Kang, H. J. (author)
- Seoul National University
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- Hong, S. J. (author)
- University of Hanover, Germany,Seoul National University
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- Park, Min (author)
- Seoul National University
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- Eklöf, Johnas, 1988 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Moth-Poulsen, Kasper, 1978 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Matsushita, S. (author)
- Kyoto University
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- Akagi, Kazuo (author)
- Kyoto University
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- Kubatkin, Sergey, 1959 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Park, Yung Woo (author)
- Seoul National University,University of Pennsylvania
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Eklöf, J. (author)
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(creator_code:org_t)
- 2018-03-21
- 2018
- English.
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In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322 .- 2045-2322. ; 8:1
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Abstract
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- Using magneto transport, we probe hopping length scales in the variable range hopping conduction of carbonized polyacetylene and polyaniline nanofibers. In contrast to pristine polyacetylene nanofibers that show vanishing magneto conductance at large electric fields, carbonized polymer nanofibers display a negative magneto conductance that decreases in magnitude but remains finite with respect to the electric field. We show that this behavior of magneto conductance is an indicator of the electric field and temperature dependence of hopping length in the gradual transition from the thermally activated to the activation-less electric field driven variable range hopping transport. This reveals magneto transport as a useful tool to probe hopping lengths in the non-linear hopping regime.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Keramteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Ceramics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Kim, Kyung Ho, 1 ...
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Lara Avila, Samu ...
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He, Hans, 1989
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Kang, H. J.
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Hong, S. J.
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Park, Min
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show more...
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Eklöf, Johnas, 1 ...
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Moth-Poulsen, Ka ...
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Matsushita, S.
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Akagi, Kazuo
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Kubatkin, Sergey ...
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Park, Yung Woo
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Eklöf, J.
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show less...
- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Ceramics
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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Scientific Repor ...
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Chalmers University of Technology
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