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Article
Open AccessIn-plane reorientation induced single laser pulse magnetization reversal
Single Pulse All Optical Switching represents the ability to reverse the magnetization of a nanostructure using a femtosecond single laser pulse without any applied field. Since the first switching experiments...
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Article
Magnetization Reversal of Ferromagnetic CoFeB Films and CoFeB/Ta/CoFeB Heterostructures in the Stray Field of Fe/Fe3O4 Nanoparticles
The magnetization reversal of the MgO/CoFeB/Ta/CoFeB/MgO/Ta/GaAs heterostructures and the ultrathin MgO/CoFeB/MgO/Ta/GaAs films with a perpendicular anisotropy in the magnetic field of clusters of Fe/Fe3O4 nanopa...
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Article
Opportunities and challenges for spintronics in the microelectronics industry
Spintronic devices exploit the spin, as well as the charge, of electrons and could bring new capabilities to the microelectronics industry. However, in order for spintronic devices to meet the ever-increasing ...
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Article
Electronic and magnetic properties of the multiferroic TbMn2O5
Recently, a reversible and a giant rotating magnetocaloric effect has been pointed out in the multiferroic TbMn2O5 single crystal, opening the way for new designs of low-temperature magnetic cooling. In this pape...
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Article
Interaction of Magnetization Centers of Different Signs as the Cause of the Nonmonotonic Field Dependence of the Domain Wall Velocity in Synthetic Pt/Co/Ir/Co/Pt Ferrimagnets
The purpose of the work is to find the dependence of growth rate of magnetization centers of various types on their surrounding by other nucleation centers in a synthetic Pt/Co/Ir/Co/Pt ferrimagnet with perpen...
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Article
Competition between domain walls and the reverse magnetization in the magnetic relaxation of a Pt/Co/Ir/Co/Pt spin switcher
A multilayer Pt/Co/Ir/Co/Pt/GaAs heterostructures demonstrates a long term (to several hours) magnetic relaxation between two stable states of the magnetization of the system. The magnetization reversal of the...
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Article
Microwave response to the magnetization switching of CoFeB/Ta/CoFeB spin valves and CoFeB films
Negative magnetoresistance modifying the quality factor of a microwave cavity under the magnetization switching of ferromagnetic layers has been discovered in a MgO/CoFeB/MgO/Ta film with a single ferromagneti...
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Article
Ferromagnetic resonance in monocrystalline spin valves CoFeB/Ta/CoFeB and CoFeB films with perpendicular magnetic anisotropy
Orientation dependences of ferromagnetic resonance in a MgO/CoFeB/MgO/Ta film with one ferromagnetic layer (monolayer) and in a MgO/CoFeB/Ta/CoFeB/MgO/Ta spin valve containing two single-crystal ferromagnetic ...
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Article
Open AccessMap** motion of antiferromagnetic interfacial uncompensated magnetic moment in exchange-biased bilayers
In this work, disordered-IrMn3/insulating-Y3Fe5O12 exchange-biased bilayers are studied. The behavior of the net magnetic moment ΔmAFM in the antiferromagnet is directly probed by anomalous and planar Hall effect...
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Article
Open AccessInvestigating the role of superdiffusive currents in laser induced demagnetization of ferromagnets with nanoscale magnetic domains
Understanding the loss of magnetic order and the microscopic mechanisms involved in laser induced magnetization dynamics is one of the most challenging topics in today's magnetism research. While scattering be...
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Article
Engineered materials for all-optical helicity-dependent magnetic switching
The possibility of manipulating magnetic systems without applied magnetic fields have attracted growing attention over the past fifteen years. The low-power manipulation of the magnetization, preferably at ult...
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Article
Composition-controlled exchange bias training effect in FeCr/IrMn bilayers
For FeCr/IrMn bilayers, the exchange bias training effect and the magnetization reversal mechanism are correlated to each other and depend on the composition of the ferromagnetic layer. For high Fe contents, t...
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Editorial
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Current-induced magnetization reversal in nanopillars with perpendicular anisotropy
Devices that show a magnetic anisotropy normal to the film surface hold great promise towards faster and smaller magnetic bits in data-storage applications. We describe an experimental demonstration of current...
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Article
Exchange bias like effect induced by domain walls in FeGd/FeSn bilayers
A study of exchange bias phenomenon in ferrimagnetic /ferromagnetic FeGd/ FeSn bilayers is presented. The amorphous FeSn and FeGd alloys have been grown by co-evaporation. Specific growth conditions allow to i...
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Article
Study of magnetic configurations in exchange-coupled bilayers by polarized neutron reflectometry
The magnetic configurations of exchange-coupled bilayers Gd40Fe60/TbXFe1-X were investigated by SQUID magnetometry and polarized neutron reflectometry (PNR). Depending on the composition of the TbFe alloy, the ex...
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Article
Microstructural Investigation of the Oxide Scale on Zr-2.5NB and Its Interface with the Alloy Substrate
Oxidized Zr-2.5Nb is being developed as an articular bearing surface for the femoral component in total joint arthroplasty. It has so far demonstrated superior wear performance against ultrahigh molecular weig...
