English
Related papers

Related papers: Transition metal dimers as potential molecular mag…

200 papers

Continuous miniaturization of magnetic units in spintronics and quantum computing devices inspires efforts to search for magnetic nanostructures with large magnetic anisotropy energy (MAE). Typical nanostructures including molecular…

Materials Science · Physics 2014-04-15 Jun Hu , Ruqian Wu

Exploring giant magnetic anisotropy in small magnetic nanostructures is of both fundamental interest and technological merit for information storage. To prevent spin flipping at room temperature due to thermal fluctuation, large magnetic…

Atomic and Molecular Clusters · Physics 2017-09-07 Xiaoqing Liang , Xue Wu , Jun Hu , Jijun Zhao , Xiao Cheng Zeng

Recent advances in nanoscience have raised interest in the minimum bit size required for classical information storage, i.e. for bistability with suppressed quantum tunnelling and energy barriers that exceed ambient temperatures. In the…

Materials Science · Physics 2015-06-25 Tor O. Strandberg , Carlo. M. Canali , Allan H. MacDonald

Based on numerically accurate density functional theory (DFT) calculations, we systematically investigate the ground-state structure and the spin and orbital magnetism including the magnetic anisotropy energy (MAE) of 3d- and…

Mesoscale and Nanoscale Physics · Physics 2010-09-03 Ruijuan Xiao , Daniel Fritsch , Michael D. Kuz'min , Klaus Koepernik , Manuel Richter , Knut Vietze , Gotthard Seifert

Large perpendicular magnetic anisotropy (MA) is highly desirable for realizing atomic-scale magnetic data storage which represents the ultimate limit of the density of magnetic recording. In this work, we studied the MA of transition metal…

Materials Science · Physics 2022-10-05 Wen Qiao , Deyou Jin , Wenbo Mi , Dunhui Wang , Shiming Yan , Xiaoyong Xu , Tiejun Zhou

Search for single-molecule magnets with large magnetic anisotropy energy (MAE) is essential for the development of molecular spintronics devices used at room temperature. Through systematic first-principles calculations, we found that an…

Mesoscale and Nanoscale Physics · Physics 2018-04-19 Jiaxing Qu , Jun Hu

Designing systems with large magnetic anisotropy energy (MAE) is desirable and critical for nanoscale magnetic devices. A recent breakthrough achieved the theoretical limit of the MAE for 3$d$ transition metal atoms by placing a single Co…

Mesoscale and Nanoscale Physics · Physics 2024-12-10 Sufyan Shehada , Manuel dos Santos Dias , Muayad Abusaa , Samir Lounis

First-principles calculations are used to gauge different levels of approximation to calculate the magnetocrystalline anisotropy energies (MAE) of five $L1_0$ FeMe alloys (Me=Co, Cu, Pd, Pt, Au). We find that a second-order perturbation…

Materials Science · Physics 2020-12-14 M. Blanco-Rey , J. I. Cerda , A. Arnau

Doped transition-metal dichalcogenides monolayers exhibit exciting magnetic properties for the benefit of two-dimensional spintronic devices. Using density functional theory (DFT) incorporating Hubbard-type of correction (DFT$+U$) to…

Materials Science · Physics 2021-05-12 Adlen Smiri , Sihem Jaziri , Samir Lounis , Iann C. Gerber

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…

Materials Science · Physics 2015-06-09 A. Jesche , L. Ke , J. L. Jacobs , B. Harmon , R. S. Houk , P. C. Canfield

Inspired by recent advancements in the field of single-atom magnets, particularly those involving rare-earth (RE) elements, we present a theoretical exploration employing DFT+$U$ calculations to investigate the magnetic properties of…

Mesoscale and Nanoscale Physics · Physics 2024-06-21 Johanna P. Carbone , Gustav Bihlmayer , Stefan Blügel

The Fe$_5$PB$_2$ compound offers tunable magnetic properties via the possibility of various combinations of substitutions on the Fe and P-sites. Here, we present a combined computational and experimental study of the magnetic properties of…

In the quest for two-dimensional conducting materials with high ferromagnetic ordering temperature the new family of the layered Fe$_{n}$GeTe$_{2}$ compounds, especially the near-room-temperature ferromagnet Fe$_{4}$GeTe$_{2}$, receives a…

First-principles calculations were conducted to investigate the structural, electronic and magnetic properties of single Fe atoms and Fe dimers on Cu2N/Cu(100). Upon adsorption of an Fe atom onto Cu2N/Cu(100), robust Fe-N bonds form,…

Materials Science · Physics 2024-09-13 Jiale Chen , Jun Hu

In this paper we demonstrate the application of high magnetic fields to study the magnetic properties of low dimensional spin systems. We present a case study on the series of 2-leg spin-ladder compounds…

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…

Materials Science · Physics 2022-02-01 Ming-Chun Jiang , Guang-Yu Guo

The magnetocrystalline anisotropy energies (MAEs) of the ferromagnetic metals bcc Fe, fcc and hcp Co, and fcc Ni have been calculated by using the {\it ab initio} tight-binding method. Disentangling the strong correlation among the $d$…

Materials Science · Physics 2009-11-10 Yuannan Xie , John A. Blackman

Employing $\textit{ab-initio}$ density functional theory (DFT), we performed a systematic investigation of the electronic structures and the magnetic properties of atomic bilayers composed of a 4$d$ transition-metal layer (Rh, Pd and Ru)…

Materials Science · Physics 2023-12-08 Souvik Paul , Stefan Heinze

In 5d transition metal oxides, novel properties arise from the interplay of electron correlations and spin--orbit interactions. Na4IrO4, where 5d transition-metal Ir atom occupies the center of the square-planar coordination environment, is…

Materials Science · Physics 2017-12-01 Di Wang , Feng Tang , Yongping Du , Xiangang Wan

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…

Mesoscale and Nanoscale Physics · Physics 2018-09-25 Yimei Fang , Shunqing Wu , Zi-Zhong Zhu , Guang-Yu Guo
‹ Prev 1 2 3 10 Next ›