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Light-controlled nanomagnetic computation schemes

Project description

Light-controlled nanomagnets offer a path to reliable, fast, and low-power computing

Nanomagnetic logic technologies could serve as a low-power alternative to existing CMOS circuits. The circuits are built using networks of interacting single-domain nanomagnets. The magnetization of each nanomagnet can point to two opposite directions, correlating to the binary states of 1 or 0 that computers use to encode and process data. Although significant progress has been made towards implementing nanomagnetic networks for computation, operational reliability and on-the-fly tuneability rely on thermal heating and have so far remained problematic. Funded by the Marie Skłodowska-Curie Actions programme, the LICONAMCO project will overcome such disadvantages by exploiting plasmon-asisted optical heating. The active manipulation of the varying optical degrees of freedom of versatile plasmonic heating schemes provides a path to fast and low-power computing.

Objective

Computation using nanomagnets could serve as a low-power alternative to existing CMOS technologies. Here, binary information is encoded into two stable magnetic configurations of single-domain nanomagnets. In the last ten years, significant progress has been made towards the implementation of nanomagnetic networks for computation, either in the form of Boolean logic gates, or for more complex optimisation tasks. However, operational reliability and on-the-fly tuneability have remained problematic.

Here, we propose to use surface-plasmon-induced local heating schemes to enable local, selective, and fast optical control of the relaxation pathways of nanomagnetic arrays. This novel approach towards the active manipulation of thermal magnetic relaxation potentially allows for the implementation of low-power, ultra-fast advanced computation schemes, such as reservoir computing.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF-EF-ST - Standard EF

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Call for proposal

(opens in new window) H2020-MSCA-IF-2018

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Coordinator

ASOCIACION CENTRO DE INVESTIGACION COOPERATIVA EN NANOCIENCIAS CIC NANOGUNE
Net EU contribution
€ 160 932,48
Address
TOLOSA HIRIBIDEA 76
20018 San Sebastian
Spain
Region
Noreste País Vasco Gipuzkoa
Activity type
Research Organisations
Links
Total cost
€ 160 932,48