Giant magnetostrain based on strong single ion anisotropy of rare earth materials M. Doerr, S. Raasch, M. Rotter, M. Frontzek, D. C. Meyer, T. Leisegang, M. Zschintzsch, P. Svoboda and M. Loewenhaupt Eur. Phys. J. Special Topics, 158 (2008) 125-130 Published online: 01 May 2008 DOI: 10.1140/epjst/e2008-00664-4