Core-shell Fe-C nanoparticles synthesis in a spherical striated glow discharge S. Z. Sakhapov, A. V. Zaikovskii, A. V. Fedoseev, G. I. Sukhinin and S. A. Novopashin EPL, 125 1 (2019) 15002 Published online: 21 January 2019 DOI: 10.1209/0295-5075/125/15002