English
Related papers

Related papers: Coercivity and random interfacial exchange couplin…

200 papers

We report local probe investigations of the magnetic interaction between BiFeO3 films and a ferromagnetic Co0.9Fe0.1 layer. Within the constraints of intralayer exchange coupling in the Co0.9Fe0.1, the multiferroic imprint in the…

Materials Science · Physics 2013-05-01 M. Trassin , J. D. Clarkson , S. R. Bowden , Jian Liu , J. T. Heron , R. J. Paull , E. Arenholz , D. T. Pierce , J. Unguris

Integration of Samarium Cobalt hard magnets on silicon requires buffer/protective layers that can enhance the magnetic properties of the magnet while preserving its structure and chemical composition after post-annealing treatments needed…

Materials Science · Physics 2024-07-11 F. Maspero , O. V. Koplak , A. Plaza , B. Heinz , F. Kohl , P. Pirro , R. Bertacco

Spin-orbit torque facilitates efficient magnetization switching via an in-plane current in perpendicularly magnetized heavy metal/ferromagnet heterostructures. The efficiency of spin-orbit-torque-induced switching is determined by the…

The effects of inserting impurity $\delta$-layers of various elements into a Co/IrMn exchange biased bilayer, at both the interface, and at given points within the IrMn layer a distance from the interface, has been investigated. Depending…

Other Condensed Matter · Physics 2009-11-13 M. Ali , C. H. Marrows , B. J. Hickey

Ferri-/ferromagnetic exchange coupled composites are promising candidates for bit patterned media because of the ability to control the magnetic properties of the ferrimagnet by its composition. A micromagnetic model for the bilayer system…

Magnetic relaxation measurements were carried out by magneto-optical Kerr effect on exchange biased (Pt/Co)5/Pt/FeMn multilayers with perpendicular anisotropy. In these films the coercivity and the exchange bias field vary with Pt spacer…

We have utilized the antiferromagnetic nature and structural/chemical compatibility of La$_{0.45}$Sr$_{0.55}$MnO$_{3}$ with highly spin polarized La$_{0.67}$Sr$_{0.33}$MnO$_{3}$ to prepare epitaxial exchange bias couples. A robust exchange…

Strongly Correlated Electrons · Physics 2011-11-03 P. K. Muduli , R. C. Budhani

We have measured resonant soft x-ray diffuse magnetic scattering as a function of temperature in a positively exchange biased Co/FeF2 bilayer and analyzed the data in the distorted wave Born approximation to obtain in-plane charge and…

Materials Science · Physics 2012-03-16 X. Lu , S. Roy , E. Blackburn , Mikhail Erekhinsky , Ivan K. Schuller , J. B. Kortright , S. K. Sinha

The shape of materials is often subject to a number of geometric constraints that limit the size of the system or fix the structure of its boundary. In soft and biological materials, however, these constraints are not always hard, but are…

Soft Condensed Matter · Physics 2013-10-09 Luca Giomi

The magnetic properties and magnetization dynamics of polycrystalline ultra-thin Co layers were investigated using a broadband ferromagnetic resonance (FMR) technique at room temperature. A variable thickness (1 nm $\leq t \leq$ 10 nm) Co…

Mesoscale and Nanoscale Physics · Physics 2007-07-10 J-M. L. Beaujour , J. H. Lee , A. D. Kent , K. Krycka , C-C. Kao

Ex-so-tic van der Waals heterostructures take advantage of the electrically tunable layer polarization to swap proximity exchange and spin-orbit coupling in the electronically active region. Perhaps the simplest example is Bernal bilayer…

Materials Science · Physics 2025-06-30 Yaroslav Zhumagulov , Denis Kochan , Jaroslav Fabian

We present a numerical simulation study of the exchange bias (EB) effect in nanoparticles with core/shell structure aimed to unveil the microscopic origin of some of the experimental phenomenology associated to this effect. In particular,…

Materials Science · Physics 2008-06-20 Oscar Iglesias , Xavier Batlle , Amilcar Labarta

Properties of thin films of geometrically frustrated ABC stacked antiferromagnetic kagome layers are examined using Metropolis Monte Carlo simulations. The impact of having an easy-axis anisotropy on the surface layers and cubic anisotropy…

Strongly Correlated Electrons · Physics 2016-05-04 H. V. Yerzhakov , M. L. Plumer , J. P. Whitehead

Interfaces play a substantial role for the functional properties of structured magnetic materials and magnetic multilayers. Modeling the functional behavior of magnetic materials requires the treatment of the relevant phenomena at the…

Shearing transitions of multi-layer molecularly thin-film lubrication systems in variations of the film-substrate coupling strength and the load are studied by using a multiscale method. Three kinds of the interlayer slips found in…

Chemical Physics · Physics 2017-06-07 Zuo-Bing Wu , X. C. Zeng

Strongly-correlated two-dimensional electrons in coupled semiconductor bilayers display remarkable broken symmetry many-body states under accessible and controllable experimental conditions. In the cases of continuous quantum phase…

The exchange interaction between nanostructured components is an effective way to enhance the magnetic properties of materials. This effect is used in exchange-coupled magnetic composites, which properties are governed by synergetic impact…

Materials Science · Physics 2022-12-12 V. L. Kurichenko , D. Yu. Karpenkov , A. Yu. Degtyarenko

The maximum coercivity that can be achieved for a given hard magnetic alloy is estimated by computing the energy barrier for the nucleation of a reversed domain in an idealized microstructure without any structural defects and without any…

In a ferromagnet/heavy-metal bilayer device with strong spin Hall effect an in-plane current excites magnetic dynamics through spin torque. We analyze bilayers with perpendicular magnetization and calculate three-dimensional phase diagrams…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Shu Yan , Ya. B. Bazaliy

Cutting soft materials is a complex process governed by the interplay of bulk large deformation, interfacial soft fracture, and contact forces with the cutting tool. Existing experimental characterizations and numerical models often fail to…

Soft Condensed Matter · Physics 2026-01-08 Miguel Angel Moreno-Mateos , Paul Steinmann