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相关论文: Surface Magnetization in Antiferromagnets: Classif…

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The characterization and manipulation of deposited magnetic clusters or molecules on surfaces is a prerequisite for their future utilization. In recent years techniques like spin-flip inelastic electron tunneling spectroscopy using a…

强关联电子 · 物理学 2019-03-25 H. -T. Langwald , J. Schnack

Antiferromagnetic (AFM) materials possess a well-recognized potential for ultrafast data processing thanks to their intrinsic ultrafast spin dynamics, absence of stray fields, and large spin transport effects. The very same properties,…

Antiferromagnetic (AFM) van der Waals (vdW) materials provide a novel platform for synthetic AFM spintronics, in which the spin-related functionalities are derived from manipulating spin configurations between the layers. Metallic vdW…

We present the results of an ab initio study of magnetic properties of Fe, Co and Ni surfaces. In particular, we discuss their electronic structure and magnetic exchange interactions (Jij), as obtained by means of a combination of density…

Shape effects in magnetic particles are widely studied, because of the ability of the shape and the size to control the parameters of a sample during its production. Experiments with nano-sized samples show that the shape can affect also…

介观与纳米尺度物理 · 物理学 2013-06-19 Svitlana V. Kondovych , Helen V. Gomonay , Vadim M. Loktev

In this contribution a magnetoactive elastomer (MAE) of mixed content, i.e., a polymer matrix filled with a mixture of magnetically soft and magnetically hard spherical particles, is considered. The object we focus at is an elementary unit…

软凝聚态物质 · 物理学 2022-10-26 Oleg V. Stolbov , Pedro A. Sánchez , Sofia S. Kantorovich , Yuriy L. Raikher

The recent realizations of the quantum anomalous Hall effect (QAHE) in MnBi$_2$Te$_4$ and MnBi$_4$Te$_7$ benchmark the (MnBi$_2$Te$_4$)(Bi$_2$Te$_3$)$_n$ family as a promising hotbed for further QAHE improvements. The family owes its…

We investigate the possibility of controlling the magnetic phase transition of the heterointerface between a half-doped manganite La$_{0.5}$Ca$_{0.5}$MnO$_{3}$ and a multiferroic BiFeO$_{3}$ through magnetoelectric coupling. Using…

强关联电子 · 物理学 2015-06-17 Di Yi , Jian Liu , Satoshi Okamoto , Suresha Jagannatha , Yi-Chun Chen , Pu Yu , Ying-Hao Chu , Elke Arenholz , R. Ramesh

Altermagnetism, characterized by zero net magnetization and symmetry-protected spin-split band structures, has recently emerged as a promising platform for spintronics. In altermagnetic tunnel junctions (AMTJs), the suppression of tunneling…

材料科学 · 物理学 2026-03-10 Xingyue Yang , Shibo Fang , Zongmeng Yang , Pin Ho , Jing Lu , Yee Sin Ang

Spin-orbit torque (SOT)-induced magnetization switching shows promise for realizing ultrafast and reliable spintronics devices. Bipolar switching of perpendicular magnetization via SOT is achieved under an in-plane magnetic field collinear…

材料科学 · 物理学 2016-05-04 Shunsuke Fukami , Chaoliang Zhang , Samik DuttaGupta , Hideo Ohno

Antiferromagnetic (AFM) materials with zero or vanishingly small macroscopic magnetization are nowadays the constituent elements of spintronic devices. However, possibility to use them as active elements that show nontrivial controllable…

材料科学 · 物理学 2013-05-30 Helen V. Gomonay , Roman Kunitsyn , Vadim M. Loktev

We uncover a new pathway towards multiferroicity, showing how magnetism can drive ferroelectricity without relying on inversion symmetry breaking of the magnetic ordering. Our free-energy analysis demonstrates that any commensurate…

材料科学 · 物理学 2009-11-11 Joseph J. Betouras , Gianluca Giovannetti , Jeroen van den Brink

BaFe$_2$As$_2$ with transition-metal doping exhibits a variety of rich phenomenon from coupling of structure, magnetism, and superconductivity. Using density functional theory, we systematically compare the Fermi surfaces (FS), formation…

计算物理 · 物理学 2014-05-28 Suffian Khan , Aftab Alam , Duane Johnson

Tuning magnetic properties in layered magnets is an important route to realize novel phenomenon related to two-dimensional (2D) magnetism. Recently, tuning antiferromagnetic (AFM) properties through substitution and intercalation techniques…

Based on a hybrid interlayer coupling mechanism, we study the coexistence of superconductivity (SC) and antiferromagnetism (AFM) in trilayer cuprates. By introducing an interlayer magnetic scattering term, we solve the multilayer $t{-}J$…

超导电性 · 物理学 2012-11-16 Chun Chen , A. Fujimori , C. S. Ting , Yan Chen

Magnetism of FeRh (001) films strongly depends on film thickness and surface terminations. While magnetic ground state of bulk FeRh is G-type antiferromagnetism, the Rh-terminated films exhibit ferromagnetism with strong perpendicular MCA…

材料科学 · 物理学 2015-08-11 Soyoung Jekal , S. H. Rhim , Soon Cheol Hong , Won-joon Son , Alexander B. Shick

Controlling magnetism by purely electrical means is a key challenge to better information technology1. A variety of material systems, including ferromagnetic (FM) metals2,3,4, FM semiconductors5, multiferroics6,7,8 and magnetoelectric (ME)…

介观与纳米尺度物理 · 物理学 2018-03-21 Shengwei Jiang , Jie Shan , Kin Fai Mak

We have carried out density-functional theory (DFT) calculations to study the magnetic stability of both ferromagnetic (FM) and anti-ferromagnetic (AFM) states in monolayer 1T-CrTe2. Our results show that the AFM order is lower in energy…

材料科学 · 物理学 2023-10-31 Ahmed Elrashidy , Jia-An Yan

Antiferromagnetic (AF) compounds possess distinct characteristics that render them promising candidates for advancing the application of spin degrees of freedom in computational devices. For instance, AF materials exhibit minimal…

强关联电子 · 物理学 2024-05-17 A. R. Moura

Dynamic magnetic response in a trilayered structure with non-equivalent layers (ABA type) has been studied with Monte Carlo simulation using Metropolis algorithm. In each layer, ferromagnetic (FM) nearest neighbour Ising interactions are…

统计力学 · 物理学 2024-12-31 Enakshi Guru , Sonali Saha , Sankhasubhra Nag