Strongly temperature dependent resistance of meander-patterned graphene

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Vasileva, G.Y.; Smirnov, D.; Vasilyev, Y.B.; Nestoklon, M.O.; Averkiev, N.S. et al.: Strongly temperature dependent resistance of meander-patterned graphene. In: Applied Physics Letters 110 (2017), Nr. 11, 113104. DOI: https://doi.org/10.1063/1.4978597

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Sum total of downloads: 114




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Abstract: 
We have studied the electronic properties of epitaxial graphene devices patterned in a meander shape with the length up to a few centimeters and the width of few tens of microns. These samples show a pronounced dependence of the resistance on temperature. Accurate comparison with the theory shows that this temperature dependence originates from the weak localization effect observed over a broad temperature range from 1.5 K up to 77 K. The comparison allows us to estimate the characteristic times related to quantum interference. In addition, a large resistance enhancement with temperature is observed at the quantum Hall regime near the filling factor of 2. Record high resistance and its strong temperature dependence are favorable for the construction of bolometric photodetectors. © 2017 Author(s).
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2017
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 60 52.63%
2 image of flag of United States United States 23 20.18%
3 image of flag of China China 13 11.40%
4 image of flag of France France 3 2.63%
5 image of flag of Netherlands Netherlands 2 1.75%
6 image of flag of Ireland Ireland 2 1.75%
7 image of flag of Finland Finland 2 1.75%
8 image of flag of Canada Canada 2 1.75%
9 image of flag of India India 1 0.88%
10 image of flag of Israel Israel 1 0.88%
    other countries 5 4.39%

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