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  3. FEMTOTERABYTE- Spinoptical nanoantenna-assited magnetic storage at few nanometers on femtosecond timescale

FEMTOTERABYTE- Spinoptical nanoantenna-assited magnetic storage at few nanometers on femtosecond timescale

Funding Program
EU - Horizon 2020
FET Open
Coordinator
Goeteborgs Universitet - Sweden
Call
H2020-FETOPEN-1-2016-2017
Project ID
737093
PI at nanoGUNE
Paolo Vavassori (p.vavassori@nanogune.eu)
From
01/03/2017
To
28/02/2020
Total funding
3.712.832,50 €
Contribution to nanoGUNE
305.893,33 €
Web
https://www.physics.gu.se
Research group
Nanomagnetism

FEMTOTERABYTE, develops the conceptually new paradigm for ultra-dense and ultrafast magnetic storage that will exceed the current technology by two orders of magnitude in storage density (going from terabit/inch2 to tens of terabytes/inch2) and by about four orders of magnitude in operation speed (going from low GHz to THz for read/write). This will be achieved in an all-optical platform that allows deterministic, non-thermal, low-energy, ultrafast magnetization switching at few nanometers and potentially down to a molecular length-scale. The main building block of the envisioned memory unit in this new paradigm is the spinoptical nanoplasmonic antenna that concentrates pulsed polarized light at the nanometer length-scale and enables non-thermal spin-orbit mediated transfer of the light’s angular momentum (orbital and/or spin) to the nanoscale magnetic architectures. In this way fs-pulsed light, assisted by the plasmonic optical spin-selective antenna and the local electromagnetic field enhancement, allows for the precise control of the magnetic state of nanometer sized / molecular magnetic structures. The project aims to elucidate the fundamentals of the emergence and manipulation of light’s orbital and spin angular momenta to achieve non-thermal momentum-transfer-driven ultrafast switching process, to demonstrate its practical realization, and will map its suitability for future upscaling towards industrial implementation in devices.

Partners

Goeteborgs Universitet - Sweden (Coordinator)

Uppsala Universitet - Sweden

CIC nanoGUNE - Spain

Universita Degli Studi Di Firenze - Italy

University of York - United Kingdom

Stichting Katholieke Universiteit - Netherlands

Paul Schrrer Institut - Switzerland

Nanosc AB - Sweden

Universita Di Pisa - Italy

Thales SA - France

Keywords
nanoantenna magnetic storage
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