Magnetic Self-Organized Atomic Laminate from First Principles and Thin Film Synthesis
Á.S. IngasonThin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden. [email protected]Aurelija MockutėThin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenMartin DahlqvistThin 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, SwedenS. ÓlafssonScience Institute, University of Iceland, Dunhaga 3, IS-107 Reykjavik, IcelandUnnar B. ArnaldsDepartment of Physics and Astronomy, Uppsala University, Box 530, SE-751 21 Uppsala, SwedenBjörn AllingThin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenIgor A. AbrikosovTheoretical Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenBjørgvin HjörvarssonDepartment of Physics and Astronomy, Uppsala University, Box 530, SE-751 21 Uppsala, SwedenPer O. Å. PerssonThin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, SwedenJohanna RosénThin Film Physics, Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden
2013en
ABI
Аннотация
The first experimental realization of a magnetic M(n+1)AX(n) (MAX) phase, (Cr(0.75)Mn(0.25))(2)GeC, is presented, synthesized as a heteroepitaxial single crystal thin film, exhibiting excellent structural quality. This self-organized atomic laminate is based on the well-known Cr(2)GeC, with Mn, a new element in MAX phase research, substituting Cr. The compound was predicted using first-principles calculations, from which a variety of magnetic behavior is envisaged, depending on the Mn concentration and Cr/Mn atomic configuration within the sublattice. The analyzed thin films display a magnetic signal at room temperature.
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