@article{escidoc:0551, title = {{Slow relaxation of spin reorientation following ultrafast optical excitation}}, author = {Eim\"uller, T. and Scholl, A. and Ludescher, B. and Sch\"utz, G. and Thiele, J.-U.}, journal = {{Applied Physics Letters}}, volume = {91}, year = {2007}, doi = {} }