Studies on the axial shift and the spin Hamiltonian parameters for Cr+ in BeO Bo-Tao Song, Shao-Yi Wu, Min-Quan Kuang and Zhi-Hong Zhang Eur. Phys. J. Appl. Phys., 61 3 (2013) 30601 Published online: 20 March 2013 DOI: 10.1051/epjap/2013120313