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Related papers: Exchange interaction and its tuning in magnetic bi…

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The exchange bias (EB) effect has been observed in magnetic Bi$_{0.9}$Gd$_{0.1}$Fe$_{0.9}$Ti$_{0.1}$O$_3$ nanoparticles. The influence of magnetic field cooling on the exchange bias effect has also been investigated. The magnitude of the…

Mesoscale and Nanoscale Physics · Physics 2015-07-28 M. A. Basith , F. A. Khan , Bashir Ahmmad , Shigeru Kubota , Fumihiko Hirose , D. -T. Ngo , Q. -H. Tran , K. Mølhave

Following the recent isolation of monolayer CrI3, there has been a surge of new two-dimensional van der Waals magnetic materials, whose incorporation in van der Waals heterostructures offers a new platform for spintronics, proximity…

We report on the functionalization of multiferroic BiFeO3 epitaxial films for spintronics. A first example is provided by the use of ultrathin layers of BiFeO3 as tunnel barriers in magnetic tunnel junctions with La2/3Sr1/3MnO3 and Co…

Strongly Correlated Electrons · Physics 2009-11-11 H. Bea , M. Bibes , S. Cherifi , F. Nolting , B. Warot-Fonrose , S. Fusil , G. Herranz , C. Deranlot , E. Jacquet , K. Bouzehouane , A. Barthelemy

The integration of diverse electronic phenomena, such as magnetism and nontrivial topology, into a single system is normally studied either by seeking materials that contain both ingredients, or by layered growth of contrasting materials.…

The exchange coupling of two magnetic layers via a diffuse oxide interlayer is studied with an atomistic spin model. We investigate the effect of magnetic concentration and oxide layer thickness on the effective exchange coupling strength…

Materials Science · Physics 2015-06-22 R. F. L. Evans , Q. Coopman , S. Devos , W. J. Fan , O. Hovorka , R. W. Chantrell

The microscopic origin of ferromagnetism in correlated materials remains heavily debated, particularly for the competing mechanisms governing insulating versus metallic phases. In this work, we theoretically study the electronic structure…

Strongly Correlated Electrons · Physics 2025-07-15 Jiaming Liu , Xuefeng Zhang , Hongbin Qu , Xiaoqun Wang , Hai-Qing Lin , Gang Li

Magnetic refrigeration presents an energy-efficient and environmentally benign alternative to traditional vapour-compression cooling technologies. It relies on the magnetocaloric effect, in which the temperature of a magnetic material…

Materials Science · Physics 2025-12-23 Jayendran S , Abhishek K G , Suresh R , Helmer Fjellvåg , Ravindran P

Chiral magnetism, wherein there is a preferred sense of rotation of the magnetization, has become a key aspect for future spintronic applications. It determines the chiral nature of magnetic textures, such as skyrmions, domain walls or spin…

We investigate the effect due to background impurities embedded in the region of two-dimensional electron gases to the magnetotransport. These impurities are achieved by homogeneously incorporating Si atoms in single quantum wells of high…

Mesoscale and Nanoscale Physics · Physics 2015-11-26 E. P. Rugeramigabo , L. Bockhorn , R. J. Haug

We investigated the magnetic properties of Sendust (Fe-Al-Si) alloys not only at 0 K but also at finite-temperatures by means of the first-principles calculations assuming A2, B2, and DO3 structures. We confirmed that the itinerant…

Materials Science · Physics 2024-07-04 Shogo Yamashita , Akimasa Sakuma

Layered transition metal dichalcogenides (TMDCs) host a plethora of interesting physical phenomena ranging from charge order to superconductivity. By introducing magnetic ions into 2H-NbS$_2$, the material forms a family of magnetic…

Magnetic proximity effect of a topological insulator in contact with a ferromagnet is reported in thin film bilayers of 15 nm thick $BiSbTe_3$ on either 15 or 40 nm thick $SrRuO_3$ on (100) $SrTiO_3$ wafers. Magneto transport results of the…

Strongly Correlated Electrons · Physics 2018-02-14 Gad Koren

We report on a theoretical study of electromagnetic properties of zigzag magnesium oxides nanoribbons (Z-MgONRs). We propose that the polar charges and the spin polarization are the two key factors for edge magnetism. Based on…

Mesoscale and Nanoscale Physics · Physics 2019-05-08 Liang Liu , Xue Ren , Jihao Xie , Bin Cheng , Jifan Hu

We derived simple rules for the sign of superexchange interaction based on the multielectron calculations of the superexchange interaction in the transition metal oxides that are valid both below and above spin crossover under high…

Materials Science · Physics 2020-03-18 Vladimir A. Gavrichkov , Semyon I. Polukeev , Sergey G. Ovchinnikov

Exchange bias phenomenon is generally ascribed to the exchange coupling at the interfaces between ferromagnetic and antiferromagnetic layers. Here, we propose a bulk form of exchange bias in a single-phase magnet where the coupling between…

Strongly Correlated Electrons · Physics 2013-06-07 Young Sun , Junzhuang Cong , Yisheng Chai , Liqin Yan , Yuelei Zhao , Shouguo Wang , Wei Ning , Yuheng Zhang

Magnetic refrigeration based on the magnetocaloric effect (MCE) of materials is a potential technique that has prominet advantages over the currently used gas compression-expansion technique in the sense of its high efficiency and…

Materials Science · Physics 2023-10-18 B. G. Shen , J. R. Sun , F. X. Hu , H. W. Zhang , Z. H. Cheng

We propose that localized defects in magnetic semiconductors act as deep impurities and can be described by the Anderson model. Within this model, hybridization of d-orbitals and p-orbitals gives rise to a non-RKKY indirect exchange…

Strongly Correlated Electrons · Physics 2007-05-23 Victor Barzykin

We report experimental and theoretical studies on the magnetoelastic interactions in MnPS$_3$. Raman scattering response measured as a function of temperature shows a blue shift of the Raman active modes at 120.2 and 155.1 cm$^{-1}$, when…

Both Ba$_4$Mn$_3$O$_{10}$ and Sr$_4$Mn$_3$O$_{10}$ crystallize in an orthorhombic crystal structure consisting of corrugated layers containing Mn$_3$O$_{12}$ polydedra. The thermal variation of magnetic susceptibility of the compositions…

Strongly Correlated Electrons · Physics 2015-06-23 J. Sannigrahi , S. Chattopadhyay , A. Bhattacharyya , S. Giri , S. Majumdar , D. Venkateshwarlu , V. Ganesan

Two dimensional (2D) materials have received a surge in research interest due to their exciting range of properties. Here we show that 2D cobalt telluride (Co2Te3), successfully synthesized via liquid-phase exfoliation in an organic…

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