A Nanolaminated Magnetic Phase: Mn<sub>2</sub>GaC
Á.S. IngasonDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenA. PetruhinsDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenMartin DahlqvistDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenF. MagnusDepartment of Physics and Astronomy, Uppsala University, Box 530, SE-751 21 Uppsala, Sweden; Science Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, IcelandA. MockuteDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenB. AllingDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenL. HultmanDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenIgor A. AbrikosovDivision of Theoretical Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenP.O.Å. PerssonDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenJ. RosenDivision of Thin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden
2013en
ABI
Abstract
We report on first principles prediction and subsequent synthesis of Mn2GaC, a new member of the inherently nanolaminated Mn+1AXn (MAX) phase family. This phase, the first to include Mn as the sole M element, was synthesized as a heteroepitaxial thin film. The material was theoretically predicted to display magnetic ordering with ferromagnetic (FM) and antiferromagnetic configurations degenerate in energy within the computational accuracy. Vibrating sample magnetometer measurements show FM ordering with a saturation moment of ms=0.29 μB per Mn atom and remanent moment of mr=0.15 μB per Mn atom for temperatures≤230 K.
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