Dielectric properties of thin insulating layers measured by Electrostatic Force Microscopy C. Riedel, R. Arinero, Ph. Tordjeman, M. Ramonda, G. Lévêque, G. A. Schwartz, D. G. de Oteyza, A. Alegría and J. Colmenero Eur. Phys. J. Appl. Phys., 50 1 (2010) 10501 Published online: 26 February 2010 DOI: 10.1051/epjap/2010010