Nanotribology.

Gnecco E Otto Schott Institute of Materials Research (OSIM), Friedrich Schiller University Jena, Löbdergraben 32, 07743 Jena, Germany.
Perkin S Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford OX1 3QZ, United Kingdom.
Vanossi A CNR-IOM Democritos National Simulation Center, Via Bonomea 265, 34136 Trieste, Italy.
Meyer E Department of Physics, University of Basel, Klingelbergstr. 82, CH-4056 Basel, Switzerland.