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Journal articles
Current-Driven Skyrmion Dynamics and Drive-Dependent Skyrmion Hall Effect in an Ultrathin Film
Roméo Juge
1
Soong-Geun Je
1
Dayane de Souza Chaves
2
Liliana Buda-Prejbeanu
1
José Peña-Garcia
2
Jayshankar Nath
1
Ioan Mihai Miron
1
Kumari Gaurav Rana
1
Lucia Aballe
3
Michael Foerster
3
Francesca Genuzio
4
Tevfik Onur Menteş
4
Andrea Locatelli
4
Francesco Maccherozzi
5
Sarnjeet Dhesi
5
Mohamed Belmeguenai
6
Yves Roussigné
6
Stéphane Auffret
1
Stefania Pizzini
2
Gilles Gaudin
1
Jan Vogel
2
Olivier Boulle
1
Roméo Juge 1
Author
Soong-Geun Je 1
Author
Dayane de Souza Chaves 2
Author
Liliana D. Buda-Prejbeanu 1
Author Employer institution : Institut polytechnique de Grenoble - Grenoble Institute of Technology IdHAL : liliana-d-buda-prejbeanu IdRef : https://www.idref.fr/137932510 ORCID : https://orcid.org/0000-0002-6105-151X
José Peña-Garcia 2
Author
Jayshankar Nath 1
Author
Ioan Mihai Miron 1
Author IdHAL : ioan-mihai-miron
Kumari Gaurav Rana 1
Author
Lucia Aballe 3
Author
Michael Foerster 3
Author
Francesca Genuzio 4
Author
Tevfik Onur Menteş 4
Author
Andrea Locatelli 4
Author
Francesco Maccherozzi 5
Author
Sarnjeet Dhesi 5
Author
Mohamed Belmeguenai 6
Author
Yves Roussigné 6
Author
Stéphane Auffret 1
Author
Stefania Pizzini 2
Author
Gilles Gaudin 1
Author IdHAL : gilles-gaudin
Jan Vogel 2
Author IdHAL : jan-vogel ORCID : https://orcid.org/0000-0001-8008-6980
Olivier Boulle 1
Author IdHAL : olivierboulle ORCID : https://orcid.org/0000-0002-8538-7907
1
SPINTEC - SPINtronique et TEchnologie des Composants (Institut de Recherche Interdisciplinaire de Grenoble
CEA-Grenoble
17, avenue des Martyrs
38054 GRENOBLE CEDEX 9 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8191 (France)
- UGA [2016-2019] - Université Grenoble Alpes [2016-2019] (CS 40700 - 38058 Grenoble cedex - France)
- IRIG - Institut de Recherche Interdisciplinaire de Grenoble : DRF/IRIG/DEPHY (France)
- DRF (CEA) - Direction de Recherche Fondamentale (CEA) : DRF/IRIG (Direction de Recherche Fondamentale
Fundamental Research Division
CEA Saclay
91191 Gif-sur-Yvette
- France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
- DRF (CEA) - Direction de Recherche Fondamentale (CEA) : DRF/IRIG (Direction de Recherche Fondamentale
Fundamental Research Division
CEA Saclay
91191 Gif-sur-Yvette
- France)
2
MNM - Micro et NanoMagnétisme (Institut NEEL, 25 rue des Martyrs, BP 166,
38042 Grenoble cedex 9 - France)
- NEEL - Institut Néel (Institut NEEL, 25 rue des Martyrs, BP 166,
38042 Grenoble cedex 9 - France)
- Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology (46 avenue Félix Viallet 38031 Grenoble Cedex 1 - France)
- CNRS - Centre National de la Recherche Scientifique : UPR2940 (France)
- UGA [2016-2019] - Université Grenoble Alpes [2016-2019] (CS 40700 - 38058 Grenoble cedex - France)
3
ALBA Synchrotron light source [Barcelone] (Carrretera BP 1413, km 3.3, 08290 Cerdanyola del Valles, Barcelona, Spain - Spain)
4
Elettra Sincrotrone Trieste (S.C.p.A., 34149 Basovizza, Trieste, Italia - Italy)
5
DIAMOND Light source (Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE - United Kingdom)
6
LSPM - Laboratoire des Sciences des Procédés et des Matériaux (Institut Galilée, Université Paris 13, 99 avenue Jean-baptiste Clément, F-93430 Villetaneuse - France)
- UP13 - Université Paris 13 (France)
- Institut Galilée (France)
- USPC - Université Sorbonne Paris Cité (Université Sorbonne Paris Cité | 100-104, avenue de France | 75013 Paris - France)
- CNRS - Centre National de la Recherche Scientifique : UPR3407 (France)
Abstract : Magnetic skyrmions are chiral spin textures which hold great promise as nanoscale information carriers. Their recent observation at room temperature and their fast current-induced manipulation in multiple repetitions of heavy metal/ferromagnetic stacks have lifted an important bottleneck towards the practical realisation of skyrmion-based devices. However, the complex spin textures and large power dissipation in these multilayers limit their practical implementation as well as the fundamental understanding of the skyrmion dynamics. Here, we report on the current-driven motion of skyrmions in an ultrathin Pt/Co/MgO model system. We find that skyrmions with diameters in the 100 nm range can move at speeds up to 100 m.s−1−1^{-1}. Our experiments also reveal that the skyrmion Hall effect is markedly drive-dependent. These observations are well substantiated both by a simple analytical model and micromagnetic simulations, which highlight the important role of pinning in the skyrmion dynamics.
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Journal articles
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https://hal.inria.fr/hal-02356080
Contributor : Gilles Gaudin <>
Submitted on : Friday, November 8, 2019 - 3:29:45 PM
Last modification on : Thursday, November 19, 2020 - 1:14:03 PM
Contributor : Gilles Gaudin <>
Submitted on : Friday, November 8, 2019 - 3:29:45 PM
Last modification on : Thursday, November 19, 2020 - 1:14:03 PM
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- HAL Id : hal-02356080, version 1
- ARXIV : 1904.08275
- DOI : 10.1103/PhysRevApplied.12.044007
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Citation
Roméo Juge, Soong-Geun Je, Dayane de Souza Chaves, Liliana Buda-Prejbeanu, José Peña-Garcia, et al.. Current-Driven Skyrmion Dynamics and Drive-Dependent Skyrmion Hall Effect in an Ultrathin Film. Physical Review Applied, American Physical Society, 2019, 12 (4), pp.044007. ⟨10.1103/PhysRevApplied.12.044007⟩. ⟨hal-02356080⟩
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