Understanding magnetocrystalline anisotropy based on orbital and quadrupole moments

Y Miura, J Okabayashi - Journal of Physics: Condensed Matter, 2022 - iopscience.iop.org
Understanding magnetocrystalline anisotropy (MCA) is fundamentally important for
developing novel magnetic materials. Therefore, clarifying the relationship between MCA …

Origin of perpendicular magnetic anisotropy in thin films studied by x-ray magnetic circular and linear dichroisms

J Okabayashi, MA Tanaka, M Morishita, H Yanagihara… - Physical Review B, 2022 - APS
We investigate the element-specific spin and orbital states and their roles in magnetic
anisotropy in Co-ferrite [Co x Fe 3− x O 4+ δ (001)] thin films which exhibit perpendicular …

Interfacial giant tunnel magnetoresistance and bulk-induced large perpendicular magnetic anisotropy in (111)-oriented junctions with fcc ferromagnetic alloys: A first …

K Masuda, H Itoh, Y Sonobe, H Sukegawa, S Mitani… - Physical Review B, 2021 - APS
We study the tunnel magnetoresistance (TMR) effect and magnetocrystalline anisotropy in a
series of magnetic tunnel junctions (MTJs) with L 1 1-ordered fcc ferromagnetic alloys and …

First-principles prediction of magnetic properties in Fe (Co, Ni)(C, N) 0.5 alloys

Y Kota, A Sakuma - Applied Physics Letters, 2022 - pubs.aip.org
To explore a candidate for rare-earth-free magnets, the effects of the light elements (C, N)
addition on the magnetic properties in FeCo and FeNi ordered alloys were examined using …

Tailoring structural and optical properties of ZnO system through elemental Mn Doping through First-principles calculations

RAA Osama, SA Samad, S Saher, M Rafique… - Heliyon, 2024 - cell.com
In this study, band structure and optical properties of Manganese (Mn) doped ZnO are
investigated adopting first-principles study calculations. It is observed that, by addition of Mn …

Isotropic orbital magnetic moments in magnetically anisotropic films

YK Wakabayashi, M Kobayashi, Y Takeda… - Physical Review …, 2022 - APS
Epitaxially strained SrRuO 3 films have been a model system for understanding the
magnetic anisotropy in metallic oxides. In this paper, we investigate the anisotropy of the Ru …

Defect states in magnetically “seasoned” WSSe–adsorption and doping effects of magnetic transition metals X= V, Cr, Mn, Fe, Co–a comprehensive first-principles …

Y Gebredingle, H Kim, N Kim - Scientific Reports, 2024 - nature.com
Besides the symmetry breaking of Janus transition metal dichalcogenides (TMDs), Janus-
based Diluted Magnetic Semiconductors (DMS) are attractive to study considering the local …

Structure and magnetism in metastable bcc Co1− xMnx epitaxial films

K Kunimatsu, T Roy, J Okabayashi, T Tsuchiya… - Journal of Magnetism …, 2022 - Elsevier
Abstract Co-rich Co 1− x Mn x alloys have hcp or fcc disordered phase and those
ferromagnetic orderings are significantly deteriorated with increasing Mn concentration x in …

Engineering of perpendicular magnetic anisotropy in half-metallic magnetic Heusler epitaxial thin films

V Palin, C Guillemard, C de Melo, S Migot… - Physical Review …, 2023 - APS
Efficient spintronic devices based on thin films need a full spin polarization at Fermi energy,
ultralow magnetic damping, and magnetization perpendicular to the film plane. Co 2 Mn Si …

Magnetoelastic anisotropy in Heusler-type films

T Kubota, D Takano, Y Kota, S Mohanty, K Ito… - Physical Review …, 2022 - APS
Perpendicular magnetization is essential for high-density memory application using
magnetic materials. High-spin polarization of conduction electrons is also required for …