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INSULATRONICS SIGNED

Controlling Electric Signals with Insulating Antiferromagnets and Insulating Ferromagnets

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Project "INSULATRONICS" data sheet

The following table provides information about the project.

Coordinator
NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET NTNU 

Organization address
address: HOGSKOLERINGEN 1
city: TRONDHEIM
postcode: 7491
website: www.ntnu.no

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 Norway [NO]
 Total cost 2˙140˙502 €
 EC max contribution 2˙140˙502 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-ADG
 Funding Scheme ERC-ADG
 Starting year 2015
 Duration (year-month-day) from 2015-12-01   to  2020-11-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    NORGES TEKNISK-NATURVITENSKAPELIGE UNIVERSITET NTNU NO (TRONDHEIM) coordinator 2˙140˙502.00

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 Project objective

The proposal aims to facilitate a revolution of information and communication technologies by controlling electric signals with antiferromagnetic insulators and ferromagnetic insulators. We recently discovered that antiferromagnets can be active components in spintronics devices despite their lack of a macroscopic magnetic moment, and even when they are insulating.

Conventional electronics- and spintronics-based logic and memory devices, interconnects, and microwave oscillators are based on (spin-polarized) charge transport, which inherently dissipates power due to ohmic losses. The research proposed seeks to determine the extents to which “Insulatronics” has the potential to control the electric and thermal signal generation, transmission, and detection in more power-efficient ways.

Insulatronics is profoundly different because there are no moving charges involved so the power reduction is significant. We hope to establish the extents to which spin-waves and coherent magnons in antiferromagnetic insulators and ferromagnetic insulators can be strongly coupled to electric and thermal currents in adjacent conductors and utilize this coupling to control electric signals. The coupling will be facilitated by spin-transfer torques and spin-pumping – a technique we pioneered – as well as spin-orbit torques and its reciprocal process of charge-pumping.

The core of this project focuses on the theoretical and fundamental challenges facing Insulatronics. Beyond the duration of the project, if we are successful, the use of spin signals in insulators with extremely low power dissipation may enable superior low-power technologies such as oscillators, logic devices, interconnects, non-volatile random access memories, and perhaps even quantum information processing.

 Publications

year authors and title journal last update
List of publications.
2018 Niklas Rohling, Eirik Løhaugen Fjærbu, Arne Brataas
Superconductivity induced by interfacial coupling to magnons
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.115401
Physical Review B 97/11 2019-07-04
2018 Alireza Qaiumzadeh, Lars A. Kristiansen, Arne Brataas
Controlling chiral domain walls in antiferromagnets using spin-wave helicity
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.020402
Physical Review B 97/2 2019-07-04
2018 Sverre A. Gulbrandsen, Arne Brataas
Spin transfer and spin pumping in disordered normal metal–antiferromagnetic insulator systems
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.054409
Physical Review B 97/5 2019-07-04
2017 André Kapelrud, Arne Brataas
Spin pumping, dissipation, and direct and alternating inverse spin Hall effects in magnetic-insulator/normal-metal bilayers
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.95.214413
Physical Review B 95/21 2019-07-04
2017 Øyvind Johansen, Arne Brataas
Spin pumping and inverse spin Hall voltages from dynamical antiferromagnets
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.95.220408
Physical Review B 95/22 2019-07-04
2018 O. Gomonay, V. Baltz, A. Brataas, Y. Tserkovnyak
Antiferromagnetic spin textures and dynamics
published pages: 213-216, ISSN: 1745-2473, DOI: 10.1038/s41567-018-0049-4
Nature Physics 14/3 2019-07-04
2018 Øyvind Johansen, Hans Skarsvåg, Arne Brataas
Spin-transfer antiferromagnetic resonance
published pages: , ISSN: 2469-9950, DOI: 10.1103/PhysRevB.97.054423
Physical Review B 97/5 2019-07-04
2017 Scott A. Bender, Hans Skarsvåg, Arne Brataas, Rembert A. Duine
Enhanced Spin Conductance of a Thin-Film Insulating Antiferromagnet
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.119.056804
Physical Review Letters 119/5 2019-07-04
2018 Alireza Qaiumzadeh, Ivan A. Ado, Rembert A. Duine, Mikhail Titov, Arne Brataas
Theory of the Interfacial Dzyaloshinskii-Moriya Interaction in Rashba Antiferromagnets
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.197202
Physical Review Letters 120/19 2019-07-04
2018 R. Lebrun, A. Ross, S. A. Bender, A. Qaiumzadeh, L. Baldrati, J. Cramer, A. Brataas, R. A. Duine, M. Kläui
Tunable long-distance spin transport in a crystalline antiferromagnetic iron oxide
published pages: 222-225, ISSN: 0028-0836, DOI: 10.1038/s41586-018-0490-7
Nature 561/7722 2019-04-18
2018 Øyvind Johansen, Arne Brataas
Nonlocal Coupling between Antiferromagnets and Ferromagnets in Cavities
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.087204
Physical Review Letters 121/8 2019-04-18
2018 I. A. Ado, A. Qaiumzadeh, R. A. Duine, A. Brataas, M. Titov
Asymmetric and Symmetric Exchange in a Generalized 2D Rashba Ferromagnet
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.086802
Physical Review Letters 121/8 2019-04-18

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