Abstract
Rb2Ni3S4 is a Kagome system belonging to the space group Fmmm (Orthorhombic). Here we performed density functional theory (DFT) calculation using the full potential local orbital code (FPLO) and identified ferromagnetic ground state with low magnetic moment. We consider Co doping by replacement of Ni on Rb2Ni3S4 . Interestingly half metallic ferromagnetic behavior is observed with a total magnetic moment of 1.999 µB / unit cell. This indicates that the material is suitable spintronics device application in Kagome system. Moreover, due to the strong localization of electrons the flat band is observed near the vicinity of Fermi level which would be supportive in the study of possible super conducting nature of the material.
Highlights
Kagome MetalsJapanese Word : Kago - Basket, Me Eyes
Introduction/Background Methodology and Computational tools Electronic and magnetic properties of Rb2Ni3S4 Half metallicity in Co-doped Rb2Ni3S4 Discussion and Conclusions
Atoms of a conducting substances arranged in Kagome pattern - shows exotic electronic properties
Summary
Japanese Word : Kago - Basket, Me Eyes. Atoms of a conducting substances arranged in Kagome pattern - shows exotic electronic properties. Kagome lattice: Vertices and edges of tri-hexagonal tiling, each hexagon is surrounded by triangles. Importance : conduct electricity without losing energy at room temperature
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