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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.

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

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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