Magnetic transition in the rare earth intermetallic compound [formula omitted]: Heat capacity and neutron diffraction studies

Polycrystalline [formula omitted] compound (orthorhombic [formula omitted]-type structure, space group [formula omitted], No. 62) orders ferromagnetically at [formula omitted] [formula omitted]. Low field dc magnetization and ac magnetic susceptibility data reveal presence of competing magnetic interactions below [formula omitted]. Heat capacity of [formula omitted] in zero applied field indicates a second order transition with a peak centered at 11 K. Powder neutron diffraction studies confirm the existence of a commensurate magnetic order in this compound at 10 K without a change of crystal structure. The Ce moments lie in the [formula omitted] plane and the moment at Ce site is found to be only [formula omitted] at this temperature. © 2010, American Institute of Physics. All rights reserved.