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相关论文: Magnetic anisotropy of ferromagnetic metals in low…

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Magnetic axis rotation (MAR) in ferromagnetic (FM) layers is crucial for strain-mediated converse magnetoelectric coupling. Employing the density functional theory (DFT), we computationally study the magnetic anisotropy of selected deformed…

材料科学 · 物理学 2022-12-02 Zefeng Cai , Ben Xu

A spin model including magnetic anisotropy terms and Dzyaloshinsky-Moriya interactions is studied for the case of a ferromagnetic monolayer with C2v symmetry like Fe/W(110). Using the quasiclassical stochastic Landau-Lifshitz-Gilbert…

强关联电子 · 物理学 2013-12-02 L. Rózsa , L. Udvardi , L. Szunyogh

Composite multiferroics consisting of a ferroelectric material interfaced with a ferromagnetic material can function above room temperature and exhibit improved magnetoelectric (ME) coupling compared to single-phase multiferroic materials,…

材料科学 · 物理学 2025-05-01 Katherine Johnson , Michael Newburger , Michael Page , Roland K. Kawakami

We present a theoretical approach to calculate the molecular magnetic anisotropy parameters, $D_M$ and $E_M$ for single molecule magnets in any eigenstate of the exchange Hamiltonian, treating the anisotropy Hamiltonian as a perturbation.…

强关联电子 · 物理学 2009-11-13 Rajamani Raghunathan , S. Ramasesha , Diptiman Sen

Substantial amounts of the transition metals Mn, Fe, Co, and Ni can be substituted for Li in single crystalline Li$_2$(Li$_{1-x}T_x$)N. Isothermal and temperature-dependent magnetization measurements reveal local magnetic moments with…

材料科学 · 物理学 2015-06-09 A. Jesche , L. Ke , J. L. Jacobs , B. Harmon , R. S. Houk , P. C. Canfield

The magnetic properties of metal-organic complexes are strongly influenced by conformational changes in the ligand. The flexibility of Fe-tetra-pyridyl-porphyrin molecules leads to different adsorption configurations on a Au(111) surface.…

介观与纳米尺度物理 · 物理学 2018-11-06 Daniela Rolf , Christian Lotze , Constantin Czekelius , Benjamin W. Heinrich , Katharina J. Franke

Few layers Fe$_3$GeTe$_2$ is currently the only atomically thin ferromagnetic metal, and thus has drawn huge attention in the field of two-dimensional (2D) magnetism. In this paper, we perform a systematic first principle study on the…

材料科学 · 物理学 2022-02-01 Ming-Chun Jiang , Guang-Yu Guo

In intercalated transition metal dichalcogenide $Fe_xTaS_2$ (0.2 $\leq$ x $\leq$ 0.4) single crystals, large magnetic anisotropy is observed. Transport property measurements indicate that heavy Fe-doping leads to a large anisotropy of…

强关联电子 · 物理学 2017-05-10 G. Wu , B. L. Kang , Y. L. Li , T. Wu , N. Z. Wang , X. G. Luo , Z. Sun , L. J. Zou , X. H. Chen

In 3d-electron magnetic systems, the magnetic structures that transform each other by spin rotation have very close degenerate energies due to small spin-orbit coupling and can be easily controlled by chemical substitution and external…

材料科学 · 物理学 2025-11-20 Vu Thi Ngoc Huyen , Yuki Yanagi , Michi-To Suzuki

By performing systematic $ab$ $initio$ density functional calculations, here we study two relativity-induced properties of atomically thin ferromagnetic (FM) Cr$_2$Ge$_2$Te$_6$ films [monolayer (ML), bilayer (BL) and trilayer (TL) as well…

介观与纳米尺度物理 · 物理学 2018-09-25 Yimei Fang , Shunqing Wu , Zi-Zhong Zhu , Guang-Yu Guo

We systematically investigate the perpendicular magnetocrystalline anisotropy (MCA) in Co$-$Pt/Pd-based multilayers. Our magnetic measurement data shows that the asymmetric Co/Pd/Pt multilayer has a significantly larger perpendicular…

The magnetocrystalline anisotropy energy $E_{anis}$ for a monolayer of Fe and Ni is determined using a fully convergent tight-binding calculation including $s$-$d$ hybridization. The spin-orbit interaction $\lambda_{so}$ is treated…

凝聚态物理 · 物理学 2016-08-31 T. H. Moos , W. Hübner , K. H. Bennemann

The new challenges posed by the need of finding strong rare-earth free magnets demand methods that can predict magnetization and magnetocrystalline anisotropy energy (MAE). We argue that correlated electron effects, which are normally…

This study investigates into the analysis of ferromagnetic thin films with a body centered cubic lattice and three spin layers, utilizing the solution of the fourth-order perturbed Heisenberg Hamiltonian equation with seven magnetic energy…

材料科学 · 物理学 2024-03-22 M. S. M. Farhan

Pronounced anisotropy of magnetic properties and complex magnetic order of a new oxi-halide compound Co7(TeO3)4Br6 has been investigated by powder and single crystal neutron diffraction, magnetization and ac susceptibility techniques.…

材料科学 · 物理学 2013-05-29 M. Prester , I. Zivkovic , O. Zaharko , D. Pajic , P. Tregenna-Piggott , H. Berger

Perpendicular magnetic anisotropy was found to be highly sensitive to the nominal thickness and morphology of laterally heterogeneous CoPd films in the vicinity of the metal insulator transition. We used the effect to tune the anisotropy by…

材料科学 · 物理学 2022-05-04 Gregory Kopnov , Alexander Gerber

We have studied the magnetic behavior of dextran-coated magnetite (Fe$_3$O$_4$) nanoparticles with median particle size $\left<d\right>=8$ $nm$. Magnetization curves and in-field M\"ossbauer spectroscopy measurements showed that the…

材料科学 · 物理学 2007-05-23 E. Lima , A. L. Brandl , A. D. Arelaro , G. F. Goya

By means of relativistic, first principles calculations, we investigate the microscopic origin of the vanishingly low magnetic anisotropy of Permalloy, here proposed to be intrinsically related to the local symmetries of the alloy. It is…

The advancement of spin-based devices as a replacement for CMOS technology demands lower spin-switching energy in ferromagnetic (FM) materials. Ferroelectric (FE) materials offer a promising avenue for influencing FM properties, yet the…

材料科学 · 物理学 2025-08-13 Dameul Jeong , Seoung-Hun Kang , Young-Kyun Kwon

We investigate the dynamics of Fe adatoms and dimers deposited on the Cu(111) metallic surface in the presence of spin-orbit coupling, within time-dependent density functional theory. The \textit{ab initio} results provide…

介观与纳米尺度物理 · 物理学 2017-10-03 Filipe S. M. Guimarães , Manuel dos Santos Dias , Benedikt Schweflinghaus , Samir Lounis