Local magneto-optical response of H+ irradiated Zn1−xCoxO thin films Antonio Di Trolio, Massimiliano Polichetti, Antonio Polimeni and Alberto Maria Testa Eur. Phys. J. Special Topics, 228 3 (2019) 683-687 Published online: 03 July 2019 DOI: 10.1140/epjst/e2019-800200-9