Transport anomaly at the ordering transition for adatoms on graphene
arXiv:1102.1084 · doi:10.1103/PhysRevB.83.201401
Abstract
We analyze a manifestation of the partial ordering transition of adatoms on graphene in resistivity measurements. We find that Kekule mosaic ordering of adatoms increases sheet resistance of graphene, due to a gap opening in its spectrum, and that critical fluctuations of the order parameter lead to a non-monotonic temperature dependence of resistivity, with a cusp-like minimum at T=T_c.
4 pages, 1 figure
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- Sublattice Segregation of Hydrogen Adsorbates in Carbon Nanotubes
- Suppression of diffusion of hydrogen adatoms on graphene by effective adatom interaction
- Functionalized Graphene in Quantizing Magnetic Field: The case of bunched impurities
- Dynamical properties of quasiparticles in a tunable Kekulé graphene superlattice
- Emergence of Meron Kekulé lattices in twisted Néel antiferromagnets