The role of Coulomb and exchange interaction on the Dzyaloshinskii-Moriya interaction(DMI) in BiFeO3

Abstract

Ab initio calculations show that the Dzyaloshinskii-Moriya interaction(DMI)and net magnetization per unit cell in BiFeO3 are reduced when U is increasing from 0 to 2.9 eV, and independent of $J$. Interestingly, the DMI is even destroyed as $U$ exceeds a critical value of 2.9 eV. We propose a simple model to explain this phenomenon and present the nature of the rotation of the magnetization corresponding to altered antiferrodistortive distortions under DMI in BiFeO3.

References in corpus (4)

• Weak ferromagnetism and magnetoelectric coupling in bismuth ferrite
• Electric field effect on BiFeO${}_3$ single crystal investigated by Raman spectroscopy
• Electric-field switchable magnetization via the Dzyaloshinskii-Moriya interaction: FeTiO_3 versus BiFeO_3
• Coupling of magnetization and structural distortions in multiferroic BiFeO3 : an ab initio density functional theory study

Cited by in corpus (5)

• Structure and spin dynamics of multiferroric BiFeO${}_3$
• Magnetism and electronic properties of BiFeO3 under lower pressure
• Strong Dzyaloshinskii-Moriya Interaction in Monolayer CrI${}_3$ on Metal Substrates
• The reversal of magnetization driven by the Dzyaloshinskii-Moriya interaction(DMI) in perovskite Bi2FeMnO6
• Spin transfer in ultrathin BiFeO3 film under external electric field