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The giant magnetoresistance (GMR) and structure was investigated for electrodeposited Co/Cu multilayers prepared by a conventional galvanostatic/potentiostatic pulse combination from a pure sulfate electrolyte with various layer…

Materials Science · Physics 2017-02-06 N. Rajasekaran , J. Mani , B. G. Tóth , G. Molnár , S. Mohan , L. Péter , I. Bakonyi

It has been shown previously for electrodeposited Co/Cu multilayers that the single-bath electrodeposition process can be optimized from an electrochemical point of view in order to avoid unwanted Co dissolution and incorporation of Co in…

Materials Science · Physics 2016-09-05 B. G. Tóth , L. Péter , J. Dégi , Á. Révész , D. Oszetzky , G. Molnár , I. Bakonyi

The giant magnetoresistance (GMR) was investigated for electrodeposited Co/Cu multilayers. In order to better understand the formation of individual layers and their influence on GMR, multilayers produced by two different deposition…

Materials Science · Physics 2017-04-19 N. Rajasekaran , L. Pogány , Á. Révész , B. G. Tóth , S. Mohan , L. Péter , I. Bakonyi

A detailed study of the evolution of the magnetoresistance was performed on electrodeposited Co/Cu multilayers with Cu layer thicknesses ranging from 0.5 nm to 4.5 nm. For thin Cu layers (up to 1.5 nm), anisotropic magnetoresistance (AMR)…

Materials Science · Physics 2016-11-09 I. Bakonyi , E. Simon , B. G. Tóth , L. Péter , L. F. Kiss

The giant magnetoresistance (GMR) effect has been widely investigated on electrodeposited ferromagnetic/non-magnetic (FM/NM) multilayers generally containing a large number of bilayers. In most applications of the GMR effect, layered…

Materials Science · Physics 2016-08-16 B. G. Tóth , L. Péter , I. Bakonyi

Room-temperature transport properties (the zero-field resistivity, \rho 0, and the GMR) were studied for ED Ni50Co50/Cu multilayers as a function of the individual layer thicknesses and total multilayer thickness. The Cu deposition…

Materials Science · Physics 2016-09-21 B. G. Tóth , L. Péter , J. Dégi , I. Bakonyi

A series of Co_xCu_{100-x} (x = 0, 40...75, 100) layers with thicknesses in-between 13 nm and 55 nm were prepared on silicon substrates using cross-beam pulsed laser deposition. Wide-angle X-ray diffraction (WAXRD), transmission electron…

Materials Science · Physics 2010-01-27 A. Jesche , A. Gorbunoff , A. Mensch , H. Stöcker , A. A. Levin , D. C. Meyer

The ab initio full-potential linearized augmented plane-wave method explicitly designed for the slab geometry was employed to elucidate the physical origin of the layer potentials for the trilayers nFe/3Cr/nFe(001), where n is the number of…

Materials Science · Physics 2007-05-23 M. Pereiro , D. Baldomir , S. V. Man'kovsky , K. Warda , J. E. Arias , L. Wojtczak , J. Botana

Ab initio calculations for the giant magnetoresistance (GMR) in Co/Cu, Fe/Cr, and Fe/Au multilayers are presented. The electronic structure of the multilayers and the scattering potentials of point defects therein are calculated…

Materials Science · Physics 2009-11-11 Peter Zahn , Jörg Binder , Ingrid Mertig

Using temperature-dependent magnetoresistance and magnetization measurements on Fe/Cr multilayers that exhibit pronounced giant magnetoresistance (GMR), we have found evidence for the presence of a glassy antiferromagnetic (GAF) phase. This…

Materials Science · Physics 2009-11-07 N. Theodoropoulou , A. F. Hebard , M. Gabay , A. K. Majumdar , C. Pace , J. Lannon , D. Temple

Severe plastic deformation using high-pressure torsion of ternary Cu-based materials (CuFeCo and CuFeNi) was used to fabricate bulk samples with a nanocrystalline microstructure. The goal was to produce materials featuring the granular…

Materials Science · Physics 2022-08-26 M. Kasalo , S. Wurster , M. Stückler , M. Zawodzki , L. Weissitsch , R. Pippan , A. Bachmaier

Giant magnetoresistance (GMR) of sequentially evaporated Fe-Ag structures have been investigated. Direct experimental evidence is given that inserting ferromagnetic layers into a granular structure significantly enhances the…

Materials Science · Physics 2009-11-07 J. Balogh , M. Csontos , D. Kaptas , G. Mihaly

Using atomistic Monte Carlo simulations, we investigated the impact of the interface on the structural properties of iron and copper (Fe/Cu) magnetic multilayers grown by Vorono\"i diagram. Interest in magnetic multilayers has recently…

Materials Science · Physics 2017-11-27 Jules Berlin Nde Kengne , Bernard Fongang , Serge Zekeng

The maximum current-perpendicular-to-plane giant magnetoresistance is searched for in magnetic multilayers made of Co, Ni, and Cu with disorder levels similar to those found in room temperature experiments. The calculation is made possible…

Materials Science · Physics 2007-05-23 Tat-Sang Choy , Jian Chen , Selman Hershfield

This study investigates the giant magneto-thermal resistance (GMTR) effect in a fully-bcc epitaxial Co50Fe50/Cu multilayer through both experimental and theoretical approaches. The applied magnetic field results in a giant change of the…

Microstructure properties of Co/Au multilayers prepared using dc-magnetron sputtering is reported using X-ray reflectivity (XRR) and X-ray diffraction (XRD) analysis. XRR profiles of these multilayers showed excellent bilayer periodicity.…

Soft Condensed Matter · Physics 2021-12-07 Conrad Rizal

Samples consisting of one ferromagnetic and one diamagnetic component which are immiscible at the thermodynamic equilibrium (Co-Cu, Fe-Cu, Fe-Ag) are processed by high-pressure torsion at various compositions. The received microstructures…

Present work investigates the magnetic and electronic structure of MgO/Fe/MgO/Fe/Co/Au multilayer stack grown on Si(100) substrates by electron beam evaporation method. X-ray diffraction study depicts polycrystalline nature of the…

Ag/Fe/Ag and Cr/Fe/Cr trilayers with a single $25 nm$ thick ferromagnetic layer exhibit giant magnetoresistance (GMR) type behavior. The resistance decreases for parallel and transversal magnetic field alignements with a Langevin-type…

Materials Science · Physics 2016-08-15 J. Balogh , L. F. Kiss , A. Halbritter , I. Kézsmárki , G. Mihály

Ion-beam sputtering has been used to prepare Fe/Si multilayers on a variety of substrates and over a wide range of temperatures. Small-angle x-ray diffraction and transmission electron microscopy experiments show that the layers are heavily…

Condensed Matter · Physics 2009-10-28 A. Chaiken , R. P. Michel , M. A. Wall
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