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Colossal negative magnetoresistance in dilute fluorinated graphene
Open accessAbstract
Adatoms offer an effective route to modify and engineer the properties of graphene. In this work, we create dilute fluorinated graphene using a clean, controlled, and reversible approach. At low carrier densities, the system is strongly localized and exhibits an unexpected, colossal negative magnetoresistance. The zero-field resistance is reduced by a factor of 40 at the highest field of 9 T and shows no sign of saturation. Unusual staircaselike field dependence is observed below 5 K. The magnetoresistance is highly anisotropic. These observations cannot be explained by existing theories, but likely require adatom-induced magnetism and/or a metal-insulator transition driven by quantum interference.
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Citations
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Transport and Anderson localization in disordered two-dimensional photonic lattices
Schwartz, T., Bartal, G., Fishman, S., & Segev, M. (2007) · Nature · doi:10.1038/nature05623 · Cited by 1,600
Cited by
Spintronics and pseudospintronics in graphene and topological insulators
Pesin, D., & MacDonald, A. H. (2012) · Nature Materials · doi:10.1038/nmat3305 · Cited by 1,077
Metadata
- Authors
- Hong, X., Cheng, S.-H., Herding, C., & Zhu, J.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2011-02-14
- Volume
- 83
- Issue
- 8
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2124725681
- Cited by
- 174
- References
- 1
- FWCI
- 11.31
- Type
- journal article
- Language
- en
- Open access
- green
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- Hong, X., Cheng, S.-H., Herding, C., & Zhu, J. (2011). Colossal negative magnetoresistance in dilute fluorinated graphene. Physical Review B. https://doi.org/10.1103/physrevb.83.085410
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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