Effect of background scattering on the magnetoconductance of two-dimensional Lorentz gases B. Horn-Cosfeld, J. Schluck, A. Röben, M. Cerchez, K. Pierz, H. W. Schumacher, D. Mailly and T. Heinzel EPL, 128 6 (2019) 67004 Published online: 05 February 2020 DOI: 10.1209/0295-5075/128/67004