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Hydrogen-induced ferromagnetism in two-dimensional Pt dichalcogenides
2016
Physical review B
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Electronic, structural, and magnetic properties of Pt dichalcogenide monolayers are investigated using first-principle calculations. We find that hydrogenation lifts the spin degeneracy in a narrow antibonding Pt 5d subband electrons and transforms the nonmagnetic semiconductors PtX 2 (X = S, Se, Te) into ferromagnetic metals, PtX 2 -1H. In contrast to earlier research, neither strain nor thin-film edges are necessary to support the transition. The trend towards ferromagnetism is most
doi:10.1103/physrevb.94.104426
fatcat:dgxi77jrwzg5vouhdmtrkigszi