Diagnostics of a high-pressure DC magnetron argon discharge with an aluminium cathode S. Mitic, J. Moreno, C. Arnas and L. Couëdel Eur. Phys. J. D, 75 9 (2021) 240 Published online: 09 September 2021 DOI: 10.1140/epjd/s10053-021-00239-9