Magnetism in small bimetallic Mn-Co clusters

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dc.creatorGanguly, Shreemoyee
dc.creatorKabir, Mukul
dc.creatorDatta, Soumendu
dc.creatorSanyal, Biplab
dc.creatorMookerjee, Abhijit
dc.date2008-06-11
dc.date.accessioned2026-07-07T09:52:16Z
dc.date.available2026-07-07T09:52:16Z
dc.descriptionEffects of alloying on the electronic and magnetic properties of Mn$_{x}$Co$_{y}$ ($x+y$=$n$=2-5; $x$=0-$n$) and Mn$_2$Co$_{11}$ nanoalloy clusters are investigated using the density functional theory (DFT). Unlike the bulk alloy, the Co-rich clusters are found to be ferromagnetic and the magnetic moment increases with Mn-concentration, and is larger than the moment of pure Co$_n$ clusters of same size. For a particular sized cluster the magnetic moment increases by 2 $μ_B$/Mn-substitution, which is found to be independent of the size and composition. All these results are in good agreement with recent Stern-Gerlach (SG) experiments [Phys. Rev. B {\bf 75}, 014401 (2007) and Phys. Rev. Lett. {\bf 98}, 113401 (2007)]. Likewise in bulk Mn$_x$Co$_{1-x}$ alloy, the local Co-moment decreases with increasing Mn-concentration.
dc.description11 pages, 15 figures. To appear in Physical Review B
dc.identifierhttps://arxiv.org/abs/0806.1979
dc.identifierhttp://arxiv.org/abs/0806.1979
dc.identifierPhysical Review B 78, 014402 (2008).
dc.identifierdoi:10.1103/PhysRevB.78.014402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/165533
dc.subjectAtomic and Molecular Clusters
dc.subjectComputational Physics
dc.titleMagnetism in small bimetallic Mn-Co clusters
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