High-Pressure Neutron Diffraction Studies of the Magnetic Structures of Cubic Pd_3Mn and Pd_3MnD_0.7

摘要

High-pressure anvil technique and neutron powder diffraction have been used to study the magnetic structures of cubic Pd_3Mn and Pd_3MnD_0.7 at pressure of 4.6 GPa and 4.2 GPa, respectively. The incommensurate helix structure of Pd_3Mn is retained under pressure. The ferrimagnetic structure of Pd_3MnD_0.7 obtained at ambient pressure changes to a pure ferromagnetic one with the moments in the [100] direction.