Stopping cross sections of protons in Ti, TiO2 and Si using medium energy ion scattering Mitchell Brocklebank, Sergey N. Dedyulin and Lyudmila V. Goncharova Eur. Phys. J. D, 70 11 (2016) 248 Published online: 22 November 2016 DOI: 10.1140/epjd/e2016-70277-3