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SMART DESIGN SIGNED

Spin-orbit mechanism in adaptive magnetization-reversal techniques, for magnetic memory design

Total Cost €

0

EC-Contrib. €

0

Partnership

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 SMART DESIGN project word cloud

Explore the words cloud of the SMART DESIGN project. It provides you a very rough idea of what is the project "SMART DESIGN" about.

magnetic    torque    write    temporal    instead    momentum    playground    compared    single    crystal    transferring    mastering    writing    neighbouring    magneto    serve    exerted    central    discovery    resolution    disconnection    liberty    plane    shape    unlike    microscope    composing    singularity    injection    advantage    schemes    list    phenomenon    questions    spatial    blocks    mechanisms    volatile    structure    techniques    time    basic    though    stt    ultimate    building    pillar    tightly    tackling    transfer    fulfilled    near    separately    layer    reading    read    dependence    difference    decouples    materials    memory    lattice    shaped    begin    reversal    innate    trilayer    successful    sot    explore    mram    spin    advantages    shaping    random    tool    lack    solution    fundamental    objects    ram    switching    orbit    dynamics    angular    memories    flexibility    geometry    optical    plan    suffers    local    origin    broad    magnetization    modulate    resolved    demand   

Project "SMART DESIGN" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Total cost 1˙476˙000 €
 EC max contribution 1˙476˙000 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2015
 Duration (year-month-day) from 2015-10-01   to  2020-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 1˙476˙000.00

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 Project objective

Compared to existing Random Access Memories, the Magnetic RAM (MRAM) has the advantage of being non-volatile. Though the basic requirements for reading and writing a single memory element are fulfilled, the present approach based on Spin Transfer Torque (STT) suffers from an innate lack of flexibility. The solution that I propose is based on the discovery of a novel phenomenon, where instead of transferring spin angular momentum from a neighbouring layer, magnetization reversal is achieved by angular momentum transfer directly from the crystal lattice. There is a long list of advantages that this novel approach has compared to STT, but the goal of this project is to focus only on their most generic difference: flexibility. The singularity of spin-orbit torque is that the in-plane current injection geometry decouples the “read” and “write” mechanisms. The disconnection is essential, as unlike STT where the pillar shape of the magnetic trilayer sets the current path, in the case of SOT the composing elements may be shaped separately. The liberty of shaping the current distribution allows to spatially modulate the torque exerted on the local magnetization. The central goal of my project is to explore the new magnetization dynamics, specific to the Spin-Orbit Torque (SOT) geometry, and design novel magnetization switching schemes. I will begin by tackling the fundamental questions about the origin of SOT and try to control it by mastering its dependence on the layer structure. Materials with on-demand SOT will serve as playground for the testing of a broad range of magnetization reversal techniques. The most successful among them will become the building-blocks of complex magnetic objects whose switching behaviour is tightly related to their shape. To study their magnetization dynamics I plan to build a time-resolved near-field magneto-optical microscope, a unique tool for the ultimate spatial and temporal resolution.

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