Radiation polarization of silicon carbide p-n-structures, operating in electrical breakdown regime Aleksey M. Genkin, Vera K. Genkina and Svetlana M. Zubkova Eur. Phys. J. Appl. Phys., 70 2 (2015) 20103 Published online: 19 May 2015 DOI: 10.1051/epjap/2015140205