Search results

Search for "spin-valve" in Full Text gives 23 result(s) in Beilstein Journal of Nanotechnology.

The influence of structure and local structural defects on the magnetic properties of cobalt nanofilms

  • Alexander Vakhrushev,
  • Aleksey Fedotov,
  • Olesya Severyukhina and
  • Anatolie Sidorenko

Beilstein J. Nanotechnol. 2023, 14, 23–33, doi:10.3762/bjnano.14.3

Graphical Abstract
  • Nb/Co spin-valve nanosystem was reproduced from [37] (© 2020 A. Vakhrushev et al., distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)). Variation of the average value of the crystal lattice ideality parameter in horizontal layers of a
PDF
Album
Full Research Paper
Published 04 Jan 2023

Self-assembly of C60 on a ZnTPP/Fe(001)–p(1 × 1)O substrate: observation of a quasi-freestanding C60 monolayer

  • Guglielmo Albani,
  • Michele Capra,
  • Alessandro Lodesani,
  • Alberto Calloni,
  • Gianlorenzo Bussetti,
  • Marco Finazzi,
  • Franco Ciccacci,
  • Alberto Brambilla,
  • Lamberto Duò and
  • Andrea Picone

Beilstein J. Nanotechnol. 2022, 13, 857–864, doi:10.3762/bjnano.13.76

Graphical Abstract
  • [15][16]. The ability to tailor the degree of electronic coupling between the molecules and the substrate is of utmost importance when it comes to embedding the interface in a specific application. For instance, if the molecules are interfaced with ferromagnetic electrodes in spin-valve architectures
PDF
Album
Full Research Paper
Published 30 Aug 2022

Tunable superconducting neurons for networks based on radial basis functions

  • Andrey E. Schegolev,
  • Nikolay V. Klenov,
  • Sergey V. Bakurskiy,
  • Igor I. Soloviev,
  • Mikhail Yu. Kupriyanov,
  • Maxim V. Tereshonok and
  • Anatoli S. Sidorenko

Beilstein J. Nanotechnol. 2022, 13, 444–454, doi:10.3762/bjnano.13.37

Graphical Abstract
  • depairing current of the superconductor. In this paper, we propose a tunable kinetic inductance with integrated spin-valve structure [46]. A superconducting spin valve is a device that can control the propagation of the superconducting charge carriers, induced from the superconducting layer via the
  • proximity effect. The typical spin valve [55][56][57] is a hybrid structure containing at least a pair of ferromagnetic (FM) layers with different coercive forces. Variations in the relative orientation of their magnetizations change the spatial distribution of the superconducting order parameter. In the
  • case of parallel magnetization of the FM layers the Cooper pairs are effectively depairing inside them (closed spin valve). For the antiparallel orientation, the effective exchange energy of the magnetic layers is averaged and suppression of the superconducting order parameter is weaker (open spin
PDF
Album
Full Research Paper
Published 18 May 2022

Controllable two- and three-state magnetization switching in single-layer epitaxial Pd1−xFex films and an epitaxial Pd0.92Fe0.08/Ag/Pd0.96Fe0.04 heterostructure

  • Igor V. Yanilkin,
  • Amir I. Gumarov,
  • Gulnaz F. Gizzatullina,
  • Roman V. Yusupov and
  • Lenar R. Tagirov

Beilstein J. Nanotechnol. 2022, 13, 334–343, doi:10.3762/bjnano.13.28

Graphical Abstract
  • degrees of freedom to control the critical current of MJJs [10] or SSVs [6], or current–phase relations in MJJs [11][12]. In particular, the spin-valve structure embedded into a MJJ can serve as an actuator for switching the MJJ between critical current modes or flipping its current–phase relation, thus
PDF
Album
Full Research Paper
Published 30 Mar 2022

In situ transport characterization of magnetic states in Nb/Co superconductor/ferromagnet heterostructures

  • Olena M. Kapran,
  • Roman Morari,
  • Taras Golod,
  • Evgenii A. Borodianskyi,
  • Vladimir Boian,
  • Andrei Prepelita,
  • Nikolay Klenov,
  • Anatoli S. Sidorenko and
  • Vladimir M. Krasnov

Beilstein J. Nanotechnol. 2021, 12, 913–923, doi:10.3762/bjnano.12.68

Graphical Abstract
  • computing; devices exploiting spin polarized transport or integrated magnetic field; spin-valve; superconducting multilayers; superconducting spintronics; Introduction Competition between spin-polarized ferromagnetism and spin-singlet superconductivity leads to a variety of interesting phenomena including
  • layers composing a single pseudo spin valve. A more complex S2, Nb(50 nm)/[Co(1.5 nm)/Nb(6 nm)/Co(2.5 nm)/Nb(6 mn)]3Co(1.5 nm)/Nb(6 nm)/Si (the structure in square brackets is repeated three times) has five Co layers. MLs are deposited by magnetron sputtering in a single deposition cycle without breaking
PDF
Album
Full Research Paper
Published 17 Aug 2021

Molecular dynamics modeling of the influence forming process parameters on the structure and morphology of a superconducting spin valve

  • Alexander Vakhrushev,
  • Aleksey Fedotov,
  • Vladimir Boian,
  • Roman Morari and
  • Anatolie Sidorenko

Beilstein J. Nanotechnol. 2020, 11, 1776–1788, doi:10.3762/bjnano.11.160

Graphical Abstract
  • This work is a study of the formation processes and the effect of related process parameters of multilayer nanosystems and devices for spintronics. The model system is a superconducting spin valve, which is a multilayer structure consisting of ferromagnetic cobalt nanolayers separated by niobium
  • atomic structures depending on the main parameters of the deposition process. Keywords: hybrid nanostructure; mathematical modeling; modified embedded-atom method; molecular dynamics; spintronics; spin valve; vacuum deposition; Introduction Multilayer superconductor/ferromagnetic (S/F) hybrid
  • nondissipative elements of spintronics, it is possible to create new superconducting nanoelectronics devices that consume minimum energy and have a high operation speed [8][9][10][11][12][13]. One type of magnetic nanostructure with wide potential use is the spin valve [14][15], consisting of several magnetic
PDF
Album
Full Research Paper
Published 24 Nov 2020

Functional nanostructures for electronics, spintronics and sensors

  • Anatolie S. Sidorenko

Beilstein J. Nanotechnol. 2020, 11, 1704–1706, doi:10.3762/bjnano.11.152

Graphical Abstract
  • superconductivity, triplet pairing and triplet spin-valve and memory effects – just to name some of the new phenomena that have been detected in layered S/F hybrid nanostructures [8]. Moreover, the detected effects are very promising for technical applications directed towards enhancing the storage capacity of
PDF
Editorial
Published 10 Nov 2020

Controlling the proximity effect in a Co/Nb multilayer: the properties of electronic transport

  • Sergey Bakurskiy,
  • Mikhail Kupriyanov,
  • Nikolay V. Klenov,
  • Igor Soloviev,
  • Andrey Schegolev,
  • Roman Morari,
  • Yury Khaydukov and
  • Anatoli S. Sidorenko

Beilstein J. Nanotechnol. 2020, 11, 1336–1345, doi:10.3762/bjnano.11.118

Graphical Abstract
  • superlattices can be used as tunable kinetic inductors designed for artificial neural networks representing the information in a “current domain”. Keywords: cryogenic computing; spin-valve; superconducting neural network; superconducting spintronics; Introduction Multilayer superconductor/ferromagnetic (S/F
PDF
Album
Full Research Paper
Published 07 Sep 2020

Giant magnetoresistance ratio in a current-perpendicular-to-plane spin valve based on an inverse Heusler alloy Ti2NiAl

  • Yu Feng,
  • Zhou Cui,
  • Bo Wu,
  • Jianwei Li,
  • Hongkuan Yuan and
  • Hong Chen

Beilstein J. Nanotechnol. 2019, 10, 1658–1665, doi:10.3762/bjnano.10.161

Graphical Abstract
  • Physics, Zunyi Normal College, Zunyi 563002, People’s Republic of China 10.3762/bjnano.10.161 Abstract A Ti2NiAl inverse Heusler alloy based current-perpendicular-to-plane (CPP) spin valve (SV) with various kinds of atomic terminated interfaces has been designed to explore the potential application of
  • × 105, and it has great application potential in spintronics devices. Keywords: current-perpendicular-to-plane geometry; Heusler alloy; nonequilibrium Green’s function; spin transport; spintronics; spin valve; Introduction Since the first theoretical prediction of the half metallicity of Heusler
  • alloys [1], there has been explosive interest in manipulating the electron spin in a Heusler-alloy-based spintronic device [2][3][4]. As one of the most important spintronics devices, a current-perpendicular-to-plane (CPP) spin valve (SV) based on the giant magnetoresistive (GMR) effect consists of a
PDF
Album
Full Research Paper
Published 08 Aug 2019

Superconducting switching due to a triplet component in the Pb/Cu/Ni/Cu/Co2Cr1−xFexAly spin-valve structure

  • Andrey Andreevich Kamashev,
  • Nadir Nurgayazovich Garif’yanov,
  • Aidar Azatovich Validov,
  • Joachim Schumann,
  • Vladislav Kataev,
  • Bernd Büchner,
  • Yakov Victorovich Fominov and
  • Ilgiz Abdulsamatovich Garifullin

Beilstein J. Nanotechnol. 2019, 10, 1458–1463, doi:10.3762/bjnano.10.144

Graphical Abstract
  • Technology, 141700 Dolgoprudny, Russia National Research University Higher School of Economics, 101000 Moscow, Russia 10.3762/bjnano.10.144 Abstract We report the superconducting properties of the Co2Cr1−xFexAly/Cu/Ni/Cu/Pb spin-valve structure the magnetic part of which comprises the Heusler alloy layer HA
  • suggests that the observed minimum and the corresponding full switching effect of the spin valve is caused by the long-range triplet component of the superconducting condensate in the multilayer. Such a large effect can be attributed to a half-metallic nature of the HA layer, which in the orthogonal
  • configuration efficiently draws off the spin-polarized Cooper pairs from the space between the HA and Ni layers. Our results indicate a significant potential of the concept of a superconducting spin-valve multilayer comprising a half-metallic ferromagnet, recently proposed by A. Singh et al., Phys. Rev. X 2015
PDF
Album
Letter
Published 19 Jul 2019

Periodic Co/Nb pseudo spin valve for cryogenic memory

  • Nikolay Klenov,
  • Yury Khaydukov,
  • Sergey Bakurskiy,
  • Roman Morari,
  • Igor Soloviev,
  • Vladimir Boian,
  • Thomas Keller,
  • Mikhail Kupriyanov,
  • Anatoli Sidorenko and
  • Bernhard Keimer

Beilstein J. Nanotechnol. 2019, 10, 833–839, doi:10.3762/bjnano.10.83

Graphical Abstract
  • lead to a significant enhancement of the critical current through the junction. To control the magnetic alignment we propose to use a periodic system whose unit cell is a pseudo spin valve of structure F1/s/F2/s where F1 and F2 are two magnetic layers having different coercive fields. In order to check
  • alignment can be controlled with a magnetic field of only several tens of Oersted. Keywords: cryogenic computing; neutron scattering; spin valve; superconducting spintronics; Findings Superconductor digital devices have attracted growing attention due to their unique energy efficiency and performance [1
  • magnetic state can be switched between parallel and antiparallel directions of the magnetization vectors of the F layers [7]. The use of a thin superconducting layer (s) as a spacer instead of an N layer may lead to enhancement of the spin-valve effect due to the proximity of the thick superconductor banks
PDF
Album
Letter
Published 09 Apr 2019

Magnetism and magnetoresistance of single Ni–Cu alloy nanowires

  • Andreea Costas,
  • Camelia Florica,
  • Elena Matei,
  • Maria Eugenia Toimil-Molares,
  • Ionel Stavarache,
  • Andrei Kuncser,
  • Victor Kuncser and
  • Ionut Enculescu

Beilstein J. Nanotechnol. 2018, 9, 2345–2355, doi:10.3762/bjnano.9.219

Graphical Abstract
  • segments still exhibit the high aspect ratio required for shape anisotropy and hence, their lengths of hundreds of nanometers are consistent with anisotropic magnetoresistive effects and not with a GMR spin-valve configuration of a segmented structure with magnetic/nonmagnetic layers of nanometer thickness
PDF
Album
Supp Info
Full Research Paper
Published 30 Aug 2018

Influence of the thickness of an antiferromagnetic IrMn layer on the static and dynamic magnetization of weakly coupled CoFeB/IrMn/CoFeB trilayers

  • Deepika Jhajhria,
  • Dinesh K. Pandya and
  • Sujeet Chaudhary

Beilstein J. Nanotechnol. 2018, 9, 2198–2208, doi:10.3762/bjnano.9.206

Graphical Abstract
  • . Keywords: ferromagnetic resonance; interlayer exchange coupling; magnetic damping; magnetic thin films; spin pumping; Introduction Traditionally, antiferromagnets (AF) are known to play only a static role by pinning adjacent ferromagnetic (FM) layers via exchange bias in spin-valve devices [1]. Recently
PDF
Album
Full Research Paper
Published 20 Aug 2018

Increasing the performance of a superconducting spin valve using a Heusler alloy

  • Andrey A. Kamashev,
  • Aidar A. Validov,
  • Joachim Schumann,
  • Vladislav Kataev,
  • Bernd Büchner,
  • Yakov V. Fominov and
  • Ilgiz A. Garifullin

Beilstein J. Nanotechnol. 2018, 9, 1764–1769, doi:10.3762/bjnano.9.167

Graphical Abstract
  • Abstract We have studied superconducting properties of spin-valve thin-layer heterostructures CoOx/F1/Cu/F2/Cu/Pb in which the ferromagnetic F1 layer was made of Permalloy while for the F2 layer we have taken a specially prepared film of the Heusler alloy Co2Cr1−xFexAl with a small degree of spin
  • polarization of the conduction band. The heterostructures demonstrate a significant superconducting spin-valve effect, i.e., a complete switching on and off of the superconducting current flowing through the system by manipulating the mutual orientations of the magnetization of the F1 and F2 layers. The
  • Heusler film as compared to Fe. This enables to approach an almost ideal theoretical magnitude of the switching in the Heusler-based multilayer with a F2 layer thickness of ca. 1 nm. Keywords: ferromagnet; proximity effect; spin valve; superconductor; Introduction Historically, the first concept to
PDF
Album
Supp Info
Letter
Published 12 Jun 2018

Beyond Moore’s technologies: operation principles of a superconductor alternative

  • Igor I. Soloviev,
  • Nikolay V. Klenov,
  • Sergey V. Bakurskiy,
  • Mikhail Yu. Kupriyanov,
  • Alexander L. Gudkov and
  • Anatoli S. Sidorenko

Beilstein J. Nanotechnol. 2017, 8, 2689–2710, doi:10.3762/bjnano.8.269

Graphical Abstract
PDF
Album
Review
Published 14 Dec 2017

Spin-chemistry concepts for spintronics scientists

  • Konstantin L. Ivanov,
  • Alexander Wagenpfahl,
  • Carsten Deibel and
  • Jörg Matysik

Beilstein J. Nanotechnol. 2017, 8, 1427–1445, doi:10.3762/bjnano.8.143

Graphical Abstract
  • producing the triplet state. For similar reasons magnetic and spin effects are of importance for physicists working in the spintronics field. The corresponding devices allow the manipulation or detection of spins [22][23]. The most prominent type of organic spintronics device is the spin valve, in which a
PDF
Album
Review
Published 11 Jul 2017

Phenalenyl-based mononuclear dysprosium complexes

  • Yanhua Lan,
  • Andrea Magri,
  • Olaf Fuhr and
  • Mario Ruben

Beilstein J. Nanotechnol. 2016, 7, 995–1009, doi:10.3762/bjnano.7.92

Graphical Abstract
  • devices such as spin valve, spin transistor and spin resonator [2][3][4][5]. The fascinating experimental results obtained from these quantum devices foster a bright future in the field of nanospintronics. In order to fabricate spintronic devices with molecular units, an essential step is to investigate
PDF
Album
Supp Info
Full Research Paper
Published 08 Jul 2016

Thickness dependence of the triplet spin-valve effect in superconductor–ferromagnet–ferromagnet heterostructures

  • Daniel Lenk,
  • Vladimir I. Zdravkov,
  • Jan-Michael Kehrle,
  • Günter Obermeier,
  • Aladin Ullrich,
  • Roman Morari,
  • Hans-Albrecht Krug von Nidda,
  • Claus Müller,
  • Mikhail Yu. Kupriyanov,
  • Anatolie S. Sidorenko,
  • Siegfried Horn,
  • Rafael G. Deminov,
  • Lenar R. Tagirov and
  • Reinhard Tidecks

Beilstein J. Nanotechnol. 2016, 7, 957–969, doi:10.3762/bjnano.7.88

Graphical Abstract
  • alignment of the magnetizations of F1 and F2, exhausts the singlet state. This yields the possibility of a global minimum of the superconducting transition temperature Tc, i.e., a superconducting triplet spin-valve effect, around mutually perpendicular alignment. Results: The superconducting triplet spin
  • quantum interference device (SQUID) magnetic moment measurements. The triplet spin-valve effect has been investigated for different layer thicknesses, dF1, of F1 and was found to decay with increasing dF1. The data is described by an empirical model and, moreover, by calculations using the microscopic
  • be comparable to twice the electron mean free path of F1 and, thus, to the decay length of the singlet component in F1. Moreover, the obtained data is in qualitative agreement with the microscopic theory, which, however, predicts a (not investigated) breakdown of the triplet spin-valve effect for dF1
PDF
Album
Full Research Paper
Published 04 Jul 2016

A scanning probe microscope for magnetoresistive cantilevers utilizing a nested scanner design for large-area scans

  • Tobias Meier,
  • Alexander Förste,
  • Ali Tavassolizadeh,
  • Karsten Rott,
  • Dirk Meyners,
  • Roland Gröger,
  • Günter Reiss,
  • Eckhard Quandt,
  • Thomas Schimmel and
  • Hendrik Hölscher

Beilstein J. Nanotechnol. 2015, 6, 451–461, doi:10.3762/bjnano.6.46

Graphical Abstract
  • junction consists of two ferromagnetic CoFeB-electrodes separated by a thin dielectric MgO layer, which acts like a spin-valve. The electrical conductance of the magnetic tunnel junction, therefore, strongly depends on the orientation of the magnetization of the electrodes towards each other. When
PDF
Album
Video
Full Research Paper
Published 13 Feb 2015

Optical properties and electrical transport of thin films of terbium(III) bis(phthalocyanine) on cobalt

  • Peter Robaschik,
  • Pablo F. Siles,
  • Daniel Bülz,
  • Peter Richter,
  • Manuel Monecke,
  • Michael Fronk,
  • Svetlana Klyatskaya,
  • Daniel Grimm,
  • Oliver G. Schmidt,
  • Mario Ruben,
  • Dietrich R. T. Zahn and
  • Georgeta Salvan

Beilstein J. Nanotechnol. 2014, 5, 2070–2078, doi:10.3762/bjnano.5.215

Graphical Abstract
  • transporting layer [10] and recently Urdampilleta et al. reported a supramolecular spin valve made of a carbon nanotube (CNT) covered by only a few TbPc2 molecules [5]. For electronic and spintronic devices it is crucial to know and to control the molecular orientation on the device-related substrates. The
PDF
Album
Supp Info
Full Research Paper
Published 11 Nov 2014

Sub-10 nm colloidal lithography for circuit-integrated spin-photo-electronic devices

  • Adrian Iovan,
  • Marco Fischer,
  • Roberto Lo Conte and
  • Vladislav Korenivski

Beilstein J. Nanotechnol. 2012, 3, 884–892, doi:10.3762/bjnano.3.98

Graphical Abstract
  • array layout with the extremely small contact size, as well as the relative ease of the colloidal monolayer process, should make this structure very promising for gigahertz nano-oscillators [9][10][11][12][13][14]. Optimization would involve substituting improved spin-valve materials for the core region
PDF
Album
Full Research Paper
Published 19 Dec 2012

Strong spin-filtering and spin-valve effects in a molecular V–C60–V contact

  • Mohammad Koleini and
  • Mads Brandbyge

Beilstein J. Nanotechnol. 2012, 3, 589–596, doi:10.3762/bjnano.3.69

Graphical Abstract
  • spin-filtering and spin-valve effects in STM experiments. System setup and methods In order to mimic a concrete STM experiment, we investigated the specific setup shown in Figure 1. The bulk regions of the contacts (i.e., STM tip and substrate) have been chosen to be nonmagnetic copper, which has
  • the data of the simple guiding calculations we chose vanadium in the full C60-contact simulations on the system depicted in Figure 1. In the following we demonstrate that this choice for contact material in an STM setup is successful in achieving a good spin-filter- and spin-valve performance. Here
PDF
Album
Full Research Paper
Published 22 Aug 2012

Effect of large mechanical stress on the magnetic properties of embedded Fe nanoparticles

  • Srinivasa Saranu,
  • Sören Selve,
  • Ute Kaiser,
  • Luyang Han,
  • Ulf Wiedwald,
  • Paul Ziemann and
  • Ulrich Herr

Beilstein J. Nanotechnol. 2011, 2, 268–275, doi:10.3762/bjnano.2.31

Graphical Abstract
  • to an antiferromagnet [7][8]. This leads to an increase in the coercivity and additionally, to an exchange bias field, which may shift the magnetization curves along the field axis. This approach is similar to the method used for the pinning of the magnetization of the reference layer in spin valve
PDF
Album
Full Research Paper
Published 01 Jun 2011
Other Beilstein-Institut Open Science Activities