Single crystal neutron diffraction investigation of multiferroic Lu2CoMnO6
Double perovskites are a fascinating material [1-5] class with a lot of functional properties. Multiferroicity, magneotcapacitance, magnetoresistance, different magnetic ground states including spin-glass and three dimensional quantum magnetism have been either experimentally observed or theoretically proposed for these materials. Lu2CoMnO6 (LCMO) crystallizes in a monoclinic P 21/n double-perovskite structure with a unit cell of a = 0.516 nm,b = 0.554 nm, and c = 0.742 nm. Co2+ and Mn4+ ions are alternatingly located in corner-shared octahedral environments. It has drawn an interestdue to its newly found multiferroicity in the previous workpolycrystalline materials. We propose single crystal neutron diffraction investigation on these samples. The investigation can lead to the microscopic origin of anisotropic behavior of the multiferroic properties of Lu2CoMnO6. We are interested to determine the magnetic ordering and phase transition and also ferroelectric properties and therefore we need to measure nuclear and magnetic reflections very accurately. We request 7 days of neutron beam time on D10 for the proposed experiment.
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CHATTERJI Tapan; LEE Nara and OULADDIAF Bachir. (2018). Single crystal neutron diffraction investigation of multiferroic Lu2CoMnO6. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-41-920
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