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Room temperature tunneling anisotropic and collinear magnetoresistance
A. N. Grigorenko, K. S. Novoselov, D. J. Mapps
We report a room temperature tunneling anisotropic magnetoresistance in Co/Al2O3/NiFe junctions containing magnetic electrodes oxidized prior to forming the Al2O3 layer. A signific…
Biased bilayer graphene: semiconductor with a gap tunable by electric field effect
Eduardo V. Castro, K. S. Novoselov, S. V. Morozov +6
We demonstrate that the electronic gap of a graphene bilayer can be controlled externally by applying a gate bias. From the magneto-transport data (Shubnikov-de Haas measurements o…
Detection of Individual Gas Molecules Absorbed on Graphene
F. Schedin, A. K. Geim, S. V. Morozov +4
The ultimate aspiration of any detection method is to achieve such a level of sensitivity that individual quanta of a measured value can be resolved. In the case of chemical sensor…
The Raman Fingerprint of Graphene
A. C. Ferrari, J. C. Meyer, V. Scardaci +8
Graphene is the two-dimensional (2d) building block for carbon allotropes of every other dimensionality. It can be stacked into 3d graphite, rolled into 1d nanotubes, or wrapped in…
Chiral tunneling and the Klein paradox in graphene
M. I. Katsnelson, K. S. Novoselov, A. K. Geim
The so-called Klein paradox - unimpeded penetration of relativistic particles through high and wide potential barriers - is one of the most exotic and counterintuitive consequences…
Strong suppression of weak (anti)localization in graphene
S. V. Morozov, K. S. Novoselov, M. I. Katsnelson +4
Low-field magnetoresistance is ubiquitous in low-dimensional metallic systems with high resistivity and well understood as arising due to quantum interference on self-intersecting…