Ferromagnetism in Rh-doped SnO2 from first-principles calculation W.-Z. Xiao, H. Luo, J.-Y. Yang and D. Shuang Eur. Phys. J. B, 80 3 (2011) 337-341 Published online: 18 March 2011 DOI: 10.1140/epjb/e2011-10778-9