Influence of magnetic ordering on electronic structure of Tb3+ ion in TbFe3(BO3)4 crystal A. V. Malakhovskii, S. L. Gnatchenko, I. S. Kachur, V. G. Piryatinskaya, A. L. Sukhachev and V. L. Temerov Eur. Phys. J. B, 80 1 (2011) 1-10 Published online: 01 March 2011 DOI: 10.1140/epjb/e2011-10806-x