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Article Dans Une Revue Journal of Magnetism and Magnetic Materials Année : 2012

Crystal structure and magnetism of UFe3B2

Résumé

The structure of the UFe3B2 compound has been refined down to R=0.022 and wR(2) = 0.052 from single crystal X-ray diffraction data. This uranium boride crystallizes in the CeCO3B2 type-structure (P6/mmm space group no. 191, Z=1, rho=10.79 g/cm(3)), with lattice parameters at room temperature a=0.5052(1) nm, c=0.3002(1) nm and V=0.664(1) nm(3). Magnetization measurements made between 2 K and 800 K suggested that UFe3B2 is an antiferromagnet with a rather high Neel temperature of T-N=268 perpendicular to 5 K. No other magnetic transitions were observed down to the lowest studied temperature.

Dates et versions

hal-00817043 , version 1 (23-04-2013)

Identifiants

Citer

M. Dias, Patrícia Almeida Carvalho, L.C.J. Pereira, Isabel C. Santos, Olivier Tougait, et al.. Crystal structure and magnetism of UFe3B2. Journal of Magnetism and Magnetic Materials, 2012, 324 (17), pp.2649-2653. ⟨10.1016/j.jmmm.2012.03.036⟩. ⟨hal-00817043⟩
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