Abstract:The magnetic properties of Mn-doped CuCl and CuBr are investigated by first-principles calculations and Monte Carlo simulation. With 3.125% doping, Mn 3d orbitals exhibit significant spin splitting and hybridize strongly with Cu 4d and Cl (Br) 3p orbitals, resulting in a net magnetic moment of 4.619 and 4.580 μB in CuCl and CuBr, respectively. The formation energy is 255.5 MeV for CuCl and 400.5 MeV for CuBr, indicating that Mn doping can be easily realized in the experiment. With 6.25% doping, ferromagnetic g… Show more
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