2018 Volume 27 Issue 11
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Ruilin Han, Yu Yan. 2018: Magnetism induced by Mn atom doping in SnO monolayer, Chinese Physics B, 27(11): 581-585. doi: 10.1088/1674-1056/27/11/117505
Citation: Ruilin Han, Yu Yan. 2018: Magnetism induced by Mn atom doping in SnO monolayer, Chinese Physics B, 27(11): 581-585. doi: 10.1088/1674-1056/27/11/117505

Magnetism induced by Mn atom doping in SnO monolayer

  • Available Online: 01/01/2018
  • The structural,magnetic properties,and mechanism of magnetization of SnO monolayer doped with 3d transition metal Mn atom were studied using first-principles calculations.The calculated results show that the substitution doping is easier to realize under the condition of oxygen enrichment.Numerical results reveal that the spin-splitting defect state of the Mn doped system is produced in the band gap and the magnetic moment of 5.0 μB is formed.The induced magnetic moment by Mnsub is mostly derived from the 3d orbital of the doped Mn atom.The magnetic coupling between magnetic moments caused by two Mn atoms in SnO monolayer is a long-range ferromagnetic,which is due to the hole-mediated p-p and p-d interactions.The calculated results suggest that room-temperature ferromagnetism in a SnO monolayer can be induced after substitutional doping of a Mn atom.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Magnetism induced by Mn atom doping in SnO monolayer

Abstract: The structural,magnetic properties,and mechanism of magnetization of SnO monolayer doped with 3d transition metal Mn atom were studied using first-principles calculations.The calculated results show that the substitution doping is easier to realize under the condition of oxygen enrichment.Numerical results reveal that the spin-splitting defect state of the Mn doped system is produced in the band gap and the magnetic moment of 5.0 μB is formed.The induced magnetic moment by Mnsub is mostly derived from the 3d orbital of the doped Mn atom.The magnetic coupling between magnetic moments caused by two Mn atoms in SnO monolayer is a long-range ferromagnetic,which is due to the hole-mediated p-p and p-d interactions.The calculated results suggest that room-temperature ferromagnetism in a SnO monolayer can be induced after substitutional doping of a Mn atom.

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