Evidence for an antiferromagnetic component in the magnetic structure of   ZrZn2
  Zero-field muon spin rotation experiments provide evidence for an antiferromagnetic component in the magnetic structure of the intermetallics ZrZn2. 
P. Dalmas de Reotier, G. Lapertot, A. Yaouanc, P.C.M. Gubbens, S.   Sakarya, A. Amato