Fractal analysis as a potential tool for surface morphology of thin films S. Soumya, M. S. Swapna, Vimal Raj, V. P. Mahadevan Pillai and S. Sankararaman Eur. Phys. J. Plus, 132 12 (2017) 551 Published online: 28 December 2017 DOI: 10.1140/epjp/i2017-11826-8