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| Naji, M. |
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Zhang, Wei
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Publications (54/54 displayed)
- 2024Criteria to observe single-shot all-optical switching in Gd-based ferrimagnetic alloyscitations
- 2024Evolution of microstructure and deformation mechanisms in a metastable Fe42Mn28Co10Cr15Si5 high entropy alloycitations
- 2024The 2024 magnonics roadmapcitations
- 2024Direct linearly polarized electroluminescence from perovskite nanoplatelet superlatticescitations
- 2024Evolution of microstructure and deformation mechanisms in a metastable Fe 42 Mn 28 Co 10 Cr 15 Si 5 high entropy alloy:A combined in-situ synchrotron X-ray diffraction and EBSD analysiscitations
- 2024Evolution of microstructure and deformation mechanisms in a metastable Fe42Mn28Co10Cr15Si5 high entropy alloy ; A combined in-situ synchrotron X-ray diffraction and EBSD analysiscitations
- 2023Dirac Fermions in Blue Phosphorene Monolayercitations
- 2023Dirac Fermions in Blue Phosphorene Monolayercitations
- 2023Ultrafast demagnetization of Co2MnSi1–xAlx Heusler compounds using terahertz and infrared lightcitations
- 2023Laser single-shot magnetization reversal in Co 1 − x Lu x nanostructurescitations
- 2023Structural properties of Bi/Au(110)
- 2023Challenges in electrical detection of spin-orbit torque in Ir20Mn80/Pt hetero-structurescitations
- 2023Distinct CSF biomarker-associated DNA methylation in Alzheimer’s disease and cognitively normal subjectscitations
- 2021A synergistic Cs2CO3 ETL treatment to incorporate Cs cation into perovskite solar cells via two-step scalable fabricationcitations
- 2020Evidence of new 2D material: Cu<sub>2</sub>Tecitations
- 2020Phosphorus Pentamers: Floating Nanoflowers form a 2D Networkcitations
- 2020Evidence of new 2D material: Cu 2 Tecitations
- 2019Simultaneous Optical and Electrical Spin-Torque Magnetometry with Phase-sensitive Detection of Spin Precessioncitations
- 2017High-performance and stable all-polymer solar cells using donor and acceptor polymers with complementary absorptioncitations
- 2017High-photovoltage all-polymer solar cells based on a diketopyrrolopyrrole-isoindigo acceptor polymercitations
- 2017Mechanisms of Lithium Intercalation and Conversion Processes in Organic–Inorganic Halide Perovskitescitations
- 2017Formation of resonant bonding during growth of ultrathin GeTe filmscitations
- 2016Calcium vapor adsorption on the metal-organic framework NU-1000citations
- 2016Metal - insulator transition driven by vacancy ordering in GeSbTe phase change materialscitations
- 2016Insulating nanomagnets driven by spin torquecitations
- 2016GaAsP Nanowires Grown by Aerotaxycitations
- 2016Efficient perovskite solar cells by metal ion dopingcitations
- 2016Multi-scale characterisation of the 3D microstructure of a thermally-shocked bulk metallic glass matrix compositecitations
- 2016Scattering effects and high-spatial-frequencynanostructures on ultrafast laser irradiatedsurfaces of zirconium metallic alloys with nanoscaledtopographiescitations
- 2016Nanoimprinted distributed feedback lasers of solution processed hybrid perovskitescitations
- 2015Improving the long-term stability of perovskite solar cells with a porous Al2O3 buffer-layercitations
- 2015Improving the Long-Term Stability of Perovskite Solar Cells with a Porous Al O Buffer Layercitations
- 2015Solidification of Al alloys under electromagnetic pulses and characterization of the 3D microstructures under synchrotron x-ray tomographycitations
- 2015Highly Efficient Perovskite Solar Cells with Tunable Structural Colorcitations
- 2015Creation of Liquid Metal 3D Microstructures Using Dielectrophoresiscitations
- 2015Design and characterization of a silicon piezoresistive three-axial force sensor for micro-flapping wing MAV applicationscitations
- 2015κ-Phase Formation in Fe-Mn-Al-C Austenitic Steelscitations
- 2015Decoration of multiwalled carbon nanotubes with protected iron nanoparticlescitations
- 2014Spin Hall Effects in Metallic Antiferromagnetscitations
- 2013Transmission Electron Microscopy Specimen Preparation Method for Multiphase Porous Functional Ceramicscitations
- 2013Transmission Electron Microscopy Specimen Preparation Method for Multiphase Porous Functional Ceramicscitations
- 2013Enhancement of Perovskite-Based Solar Cells Employing Core–Shell Metal Nanoparticlescitations
- 2013Effective improvement of interface modified strontium titanate based solid oxide fuel cell anodes by infiltration with nano-sized palladium and gadolinium-doped cerium oxidecitations
- 2013Enhanced performances in primary lithium batteries of fluorinated carbon nanofibers through static fluorination
- 2012Performance-Microstructure Relations in Ni/CGO Infiltrated Nb-doped SrTiO3 SOFC Anodescitations
- 2012Performance-Microstructure Relations in Ni/CGO Infiltrated Nb-doped SrTiO3 SOFC Anodescitations
- 2012Microstructural evolution of nanosized Ce 0.8 Gd 0.2 O 1.9 /Ni infiltrate in a Zr 0.84 Y 0.16 O 1.92 -Sr 0.94 Ti 0.9 Nb 0.1 O 3-δ based SOFC anode under electrochemical evaluation
- 2012Efficient ceramic anodes infiltrated with binary and ternary electrocatalysts for SOFCs operating at low temperaturescitations
- 2012A partial structure factor investigation of the bulk metallic glass Zr63Ni25Al12 as studied by using a combination of anomalous x-ray scattering and reverse Monte Carlo modelingcitations
- 2012Microstructural evolution of nanosized Ce0.8Gd0.2O1.9/Ni infiltrate in a Zr0.84Y0.16O1.92-Sr0.94Ti0.9Nb0.1O3-δ based SOFC anode under electrochemical evaluation
- 2012The synthesis of multilayer graphene materials by the fluorination of carbon nanodiscs/nanocones
- 2012Role of vacancies in metal-insulator transitions of crystalline phase-change materialscitations
- 2011Embedded multiplexed polymer optical fiber sensor for esophageal manometrycitations
- 2010Quantum modeling of semiconductor gain materials and vertical-external-cavity surface-emitting laser systemscitations
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article
Challenges in electrical detection of spin-orbit torque in Ir20Mn80/Pt hetero-structures
Abstract
<jats:p>Manipulation of antiferromagnetic sublattice orientations, a key challenge in spintronic device applications, requires unconventional methods such as current induced torques including Spin Transfer Torque (STT) and Spin-Orbit Torque (SOT). In order to observe the deviation of the Néel vector from the anisotropy axis, one of the simplest approaches is the electrical detection, whereby one monitors the change in resistance as a function of applied current. In this work, we have investigated the conditions under which an ultra-thin metallic antiferromagnet, Ir20Mn80 becomes susceptible to SOT effects by studying antiferromagnetic layer structure and thickness dependence in antiferromagnetic metal (Ir20Mn80)/heavy metal (Pt) superlattices. Our electrical measurements reveal that in bilayer structures there exists a shallow range of Ir20Mn80 thicknesses (∼1–2 nm) for which SOT driven control of spins is apparent, whereas for lower thicknesses incomplete sublattice formation and for higher thicknesses improved thermal stability prohibits vulnerability to spin currents. Furthermore, in multilayers, structural changes in Ir20Mn80 layer quenches local torques due to stronger (111) magnetocrystalline anisotropy. These results suggest that an exhaustive optimization of the antiferromagnet parameters is crucial for the successful deployment of spintronic devices.</jats:p>