Magnetic moments of W 5d in Ca2CrWO6 and Sr2CrWO6 double perovskites
  We have investigated the magnetic moment of the W ion in the ferrimagnetic double perovskites Sr2CrWO6 and Ca2CrWO6 by X-ray magnetic circular dichroism (XMCD) at the W L(2,3) edges. In both compounds a finite negative spin and positive orbital magnetic moment was detected. The experimental results are in good agreement with band-structure calculations for (Sr/Ca)2CrWO6 using the full-potential linear muffin-tin orbital method. It is remarkable, that the magnetic ordering temperature, TC, is correlated with the magnetic moment at the 'non-magnetic' W atom. 
P. Majewski, S. Gepraegs, A. Boger, M. Opel, A. Erb and R. Gross, G.   Vaitheeswaran and V. Kanchana, A. Delin, F. Wilhelm a...