Probing atomic-scale friction on reconstructed surfaces of single-crystal semiconductors

M. Goryl,1 J. Budzioch,1 F. Krok,1,* M. Wojtaszek,1 M. Kolmer,1 L. Walczak,1 J. Konior,1 E. Gnecco,2 and M. Szymonski1 1Research Center for Nanometer-Scale Science and Advanced Materials (NANOSAM), Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Reymonta 4, 30-059 Krakow, Poland 2IMDEA Nanociencia, Campus Universitario de Cantoblanco, Avenida Francisco Tomas y Valiente 7, E-28049, Madrid, Spain (Received 10 November 2011; published 17 February 2012; corrected 24 February 2012)