Symmetry Induced Half-Metallic Alkaline Earth Ferromagnets

Abstract

all-electron density functional theory calculations in the generalisedgradient approximation indicate possibility of half-metallic ferromagnetism. This is a new class of theoreticallypredicted hypothetical materials, without transition metal elements, not as yet discovered experimentally.Ferromagnetism is expected to be induced by suitable crystalline structure with lattice constant above somecritical value. The predominant