Scaling properties of pyramidal islands formation process at epitaxial growth Vasyl O. Kharchenko, Dmitrii O. Kharchenko and Alina V. Dvornichenko Eur. Phys. J. B, 88 1 (2015) 3 Published online: 02 January 2015 DOI: 10.1140/epjb/e2014-50327-6