D. Kaczorowski et al., CRYSTAL-STRUCTURE AND MAGNETIC-SUSCEPTIBILITY OF UOSE SINGLE-CRYSTALS, Journal of physics and chemistry of solids, 54(6), 1993, pp. 723-731
Crystal structure and magnetic susceptibility behaviour of UOSe single
crystals have been studied. UOSe crystallizes in the tetragonal PbFCl
-type structure (space group P4/nmm) with the lattice parameters: a =
390.38(5) pm and c = 698.05(9) pm. It orders antiferromagnetically at
T(N) = 100 +/- 2 K and exhibits a very strong anisotropy in the suscep
tibility vs temperature variation. The magnetic and thermodynamic prop
erties of UOSe are successfully interpreted in the framework of a pert
urbative ab initio crystal field approach.