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

被引：22

作者：

Kota, Yohei ^{[1
]}

Imamura, Hiroshi ^{[2
]}

机构：

[1] Fukushima Coll, Natl Inst Technol, Iwaki, Fukushima 9708034, Japan

[2] Spintron Res Ctr, Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

来源：

APPLIED PHYSICS EXPRESS | 2017年 / 10卷 / 01期

关键词：

MAGNETIC-ANISOTROPY; MAGNETOCRYSTALLINE ANISOTROPY; 1ST-PRINCIPLES INVESTIGATIONS; ENERGY; OXIDE;

D O I：

10.7567/APEX.10.013002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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 L-DW 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 K-1 to on the order of 10(6) erg/cm(3). (C) 2017 The Japan Society of Applied Physics

引用

页数：4

共 36 条

[1] Control of domain wall thickness by spatial modulation of uniaxial anisotropy and exchange stiffness parameters [J].