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

Total Cost €


EC-Contrib. €






 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.

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

Project "SMART DESIGN" data sheet

The following table provides information about the project.


Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794

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


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 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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The information about "SMART DESIGN" are provided by the European Opendata Portal: CORDIS opendata.

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