Linear magnetoresistance in mosaic-like bilayer graphene

Journal article
(Letter)


Publication Details

Author(s): Kißlinger F, Ott C, Heide C, Kampert E, Butz B, Spiecker E, Shallcross S, Weber HB
Journal: Nature Physics
Publisher: Nature Publishing Group
Publication year: 2015
Volume: 11
Pages range: 650-+
ISSN: 1745-2473
Language: English


Abstract


The magnetoresistance of conductors usually has a quadratic dependence on magnetic field(1), however, examples exist of non-saturating linear behaviour in diverse materials(2-6). Assigning a specific microscopic mechanism to this unusual phenomenon is obscured by the co-occurrence and interplay of doping, mobility fluctuations and a polycrystalline structure(7,8). Bilayer graphene has virtually no doping fluctuations, yet provides a built-in mosaic tiling due to the dense network of partial dislocations(9,10). We present magnetotransport measurements of epitaxial bilayer graphene that exhibits a strong and reproducible linear magnetoresistance that persists to B = 62 T at and above room temperature, decorated by quantum interference effects at low temperatures. Partial dislocations thus have a profound impact on the transport properties in bilayer graphene, a system that is frequently assumed to be dislocation-free. It further provides a clear and tractable model system for studying the unusual properties of mosaic conductors.



FAU Authors / FAU Editors

Butz, Benjamin Dr.
Lehrstuhl für Werkstoffwissenschaften (Mikro- und Nanostrukturforschung)
Heide, Christian
Sonderforschungsbereich 953/2 Synthetische Kohlenstoffallotrope
Kißlinger, Ferdinand
Lehrstuhl für Angewandte Physik
Ott, Christian
Lehrstuhl für Angewandte Physik
Shallcross, Sam
Lehrstuhl für Theoretische Festkörperphysik
Spiecker, Erdmann Prof. Dr.
Lehrstuhl für Werkstoffwissenschaften (Mikro- und Nanostrukturforschung)
Weber, Heiko B. Prof. Dr.
Lehrstuhl für Angewandte Physik


Additional Organisation
Exzellenz-Cluster Engineering of Advanced Materials


How to cite

APA:
Kißlinger, F., Ott, C., Heide, C., Kampert, E., Butz, B., Spiecker, E.,... Weber, H.B. (2015). Linear magnetoresistance in mosaic-like bilayer graphene. Nature Physics, 11, 650-+. https://dx.doi.org/10.1038/NPHYS3368

MLA:
Kißlinger, Ferdinand, et al. "Linear magnetoresistance in mosaic-like bilayer graphene." Nature Physics 11 (2015): 650-+.

BibTeX: 

Last updated on 2018-10-08 at 02:42