Polar Kerr rotation of the ferromagnet EuB6 S. Broderick, L. Degiorgi, H. R. Ott, J. L. Sarrao and Z. Fisk Eur. Phys. J. B, 33 1 (2003) 47-54 Published online: 23 May 2003 DOI: 10.1140/epjb/e2003-00140-5