Narrowing of antiferromagnetic domain wall in corundum-type Cr2O3 by lattice strain

Narrowing of antiferromagnetic domain wall in corundum-type Cr2O3 by lattice strain

The effect of lattice strain on single-ion magnetic anisotropy and antiferromagnetic domain wall width in corundum-type Cr2O3 is studied using first-principles calculations and micromagnetics simulations. Without lattice strain, the domain wall width LDW is about 80 nm. When the lattice constant a i...

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Veröffentlicht in:Applied physics express 2017-01, Vol.10 (1)
Hauptverfasser: Kota, Yohei, Imamura, Hiroshi
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description The effect of lattice strain on single-ion magnetic anisotropy and antiferromagnetic domain wall width in corundum-type Cr2O3 is studied using first-principles calculations and micromagnetics simulations. Without lattice strain, the domain wall width LDW is about 80 nm. When the lattice constant a is increased by 1-2%, LDW is reduced to less than 20 nm due to the increase in the single-ion anisotropy constant K1 to on the order of 106 erg/cm3.
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title Narrowing of antiferromagnetic domain wall in corundum-type Cr2O3 by lattice strain
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