Magnetic Skyrmions for Future Nanospintronic Devices

Resultado final

Report on nucleation mechanisms, influence of pinning and interaction between skyrmions
Report on role of defect and temperature on the skyrmion stabilization
Report on ab-initio calculation of spin-torque for single skyrmions in MML systems
Report on optimized conditions for an efficient skyrmion nucleation
Report on imaging of individual skyrmions of MML systems made by different techniques
Report on spin torque driven skyrmion propagation

Project website

Publicaciones

Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmions at room temperature

Autores: C. Moreau-Luchaire, C. Moutaﬁs, N. Reyren, J. Sampaio, C. A. F. Vaz, N. Van Horne, K. Bouzehouane, K. Garcia, C. Deranlot, P. Warnicke, P. Wohlhüter, J.-M. George, M. Weigand, J. Raabe, V. Cros, A. Fert
Publicado en: Nature Nanotechnology, Edición 11/5, 2016, Página(s) 444-448, ISSN 1748-3387
Editor: Nature Publishing Group
DOI: 10.1038/nnano.2015.313

Symmetry breaking in spin spirals and skyrmions by in-plane and canted magnetic fields

Autores: L Schmidt, J Hagemeister, P-J Hsu, A Kubetzka, K von Bergmann, R Wiesendanger
Publicado en: New Journal of Physics, Edición 18/7, 2016, Página(s) 075007, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/18/7/075007

Perpendicular reading of single confined magnetic skyrmions

Autores: Dax M. Crum, Mohammed Bouhassoune, Juba Bouaziz, Benedikt Schweflinghaus, Stefan Blügel, Samir Lounis
Publicado en: Nature Communications, Edición 6, 2015, Página(s) 8541, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/ncomms9541

Pinning and movement of individual nanoscale magnetic skyrmions via defects

Autores: Christian Hanneken, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger
Publicado en: New Journal of Physics, Edición 18/5, 2016, Página(s) 055009, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/18/5/055009

Minimal radius of magnetic skyrmions: statics and dynamics

Autores: A Siemens, Y Zhang, J Hagemeister, E Y Vedmedenko, R Wiesendanger
Publicado en: New Journal of Physics, Edición 18/4, 2016, Página(s) 045021, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/18/4/045021

Engineering skyrmions in transition-metal multilayers for spintronics

Autores: B. Dupé, G. Bihlmayer, M. Böttcher, S. Blügel, S. Heinze
Publicado en: Nature Communications, Edición 7, 2016, Página(s) 11779, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/ncomms11779

How to reveal metastable skyrmionic spin structures by spin-polarized scanning tunneling microscopy

Autores: B Dupé, C N Kruse, T Dornheim, S Heinze
Publicado en: New Journal of Physics, Edición 18/5, 2016, Página(s) 055015, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/18/5/055015

Interlayer Exchange Coupling: A General Scheme Turning Chiral Magnets into Magnetic Multilayers Carrying Atomic-Scale Skyrmions

Autores: Ashis Kumar Nandy, Nikolai S. Kiselev, Stefan Blügel
Publicado en: Physical Review Letters, Edición 116/17, 2016, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.116.177202

Chirality-driven orbital magnetic moments as a new probe for topological magnetic structures

Autores: Manuel dos Santos Dias, Juba Bouaziz, Mohammed Bouhassoune, Stefan Blügel, Samir Lounis
Publicado en: Nature Communications, Edición 7, 2016, Página(s) 13613, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/ncomms13613

Spin-orbit torques and spin accumulation in FePt/Pt and Co/Cu thin films from first principles: The role of impurities

Autores: Guillaume Géranton, Bernd Zimmermann, Nguyen H. Long, Phivos Mavropoulos, Stefan Blügel, Frank Freimuth, Yuriy Mokrousov
Publicado en: Physical Review B, Edición 93/22, 2016, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.93.224420

Role of Dzyaloshinskii-Moriya interaction for magnetism in transition-metal chains at Pt step edges

Autores: B. Schweflinghaus, B. Zimmermann, M. Heide, G. Bihlmayer, S. Blügel
Publicado en: Physical Review B, Edición 94/2, 2016, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.94.024403

Nanoscale magnetic skyrmions in metallic films and multilayers: a new twist for spintronics

Autores: Roland Wiesendanger
Publicado en: Nature Reviews Materials, Edición 1/7, 2016, ISSN 2058-8437
Editor: Nature Publishing Group
DOI: 10.1038/natrevmats.2016.44

Skyrmions at the Edge: Confinement Effects in Fe / Ir ( 111 )

Autores: Julian Hagemeister, Davide Iaia, Elena Y. Vedmedenko, Kirsten von Bergmann, André Kubetzka, Roland Wiesendanger
Publicado en: Physical Review Letters, Edición 117/20, 2016, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.117.207202

Pattern formation in skyrmionic materials with anisotropic environments

Autores: Julian Hagemeister, Elena Y. Vedmedenko, Roland Wiesendanger
Publicado en: Physical Review B, Edición 94/10, 2016, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.94.104434

Antiskyrmions stabilized at interfaces by anisotropic Dzyaloshinskii-Moriya interactions

Autores: Markus Hoffmann, Bernd Zimmermann, Gideon P. Müller, Daniel Schürhoff, Nikolai S. Kiselev, Christof Melcher, Stefan Blügel
Publicado en: Nature Communications, Edición 8/1, 2017, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-017-00313-0

Topological spin Hall effect in antiferromagnetic skyrmions

Autores: Patrick M. Buhl, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Publicado en: physica status solidi (RRL) - Rapid Research Letters, Edición 11/4, 2017, Página(s) 1700007, ISSN 1862-6254
Editor: Wiley - VCH Verlag GmbH & CO. KGaA
DOI: 10.1002/pssr.201700007

Tailoring noncollinear magnetism by misfit dislocation lines

Autores: Aurore Finco, Pin-Jui Hsu, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger
Publicado en: Physical Review B, Edición 94/21, 2016, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.94.214402

Mixed Weyl semimetals and low-dissipation magnetization control in insulators by spin–orbit torques

Autores: Jan-Philipp Hanke, Frank Freimuth, Chengwang Niu, Stefan Blügel, Yuriy Mokrousov
Publicado en: Nature Communications, Edición 8/1, 2017, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-017-01138-7

Probing the Nano-Skyrmion Lattice on Fe/Ir(111) with Magnetic Exchange Force Microscopy

Autores: Josef Grenz, Arne Köhler, Alexander Schwarz, Roland Wiesendanger
Publicado en: Physical Review Letters, Edición 119/4, 2017, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.119.047205

Enhanced skyrmion stability due to exchange frustration

Autores: S. von Malottki, B. Dupé, P. F. Bessarab, A. Delin, S. Heinze
Publicado en: Scientific Reports, Edición 7/1, 2017, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/s41598-017-12525-x

Temperature-Induced Increase of Spin Spiral Periods

Autores: Aurore Finco, Levente Rózsa, Pin-Jui Hsu, André Kubetzka, Elena Vedmedenko, Kirsten von Bergmann, Roland Wiesendanger
Publicado en: Physical Review Letters, Edición 119/3, 2017, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.119.037202

Prototypical topological orbital ferromagnet γ-FeMn

Autores: Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Publicado en: Scientific Reports, Edición 7/1, 2017, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/srep41078

Current-driven skyrmion dynamics in disordered films

Autores: Joo-Von Kim, Myoung-Woo Yoo
Publicado en: Applied Physics Letters, Edición 110/13, 2017, Página(s) 132404, ISSN 0003-6951
Editor: American Institute of Physics
DOI: 10.1063/1.4979316

Electric-field-driven switching of individual magnetic skyrmions

Autores: Pin-Jui Hsu, André Kubetzka, Aurore Finco, Niklas Romming, Kirsten von Bergmann, Roland Wiesendanger
Publicado en: Nature Nanotechnology, Edición 12/2, 2016, Página(s) 123-126, ISSN 1748-3387
Editor: Nature Publishing Group
DOI: 10.1038/nnano.2016.234

Current-driven dynamics and inhibition of the skyrmion Hall effect of ferrimagnetic skyrmions in GdFeCo films

Autores: Seonghoon Woo, Kyung Mee Song, Xichao Zhang, Yan Zhou, Motohiko Ezawa, Xiaoxi Liu, S. Finizio, J. Raabe, Nyun Jong Lee, Sang-Il Kim, Seung-Young Park, Younghak Kim, Jae-Young Kim, Dongjoon Lee, OukJae Lee, Jun Woo Choi, Byoung-Chul Min, Hyun Cheol Koo, Joonyeon Chang
Publicado en: Nature Communications, Edición 9/1, 2018, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-018-03378-7

Magnetic skyrmions: advances in physics and potential applications

Autores: Albert Fert, Nicolas Reyren, Vincent Cros
Publicado en: Nature Reviews Materials, Edición 2/7, 2017, Página(s) 17031, ISSN 2058-8437
Editor: Nature Publishing Group
DOI: 10.1038/natrevmats.2017.31

Dzyaloshinskii-Moriya interaction at an antiferromagnetic interface: First-principles study of Fe/Ir bilayers on Rh(001)

Autores: Sebastian Meyer, Bertrand Dupé, Paolo Ferriani, Stefan Heinze
Publicado en: Physical Review B, Edición 96/9, 2017, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.96.094408

Impact of the skyrmion spin texture on magnetoresistance

Autores: André Kubetzka, Christian Hanneken, Roland Wiesendanger, Kirsten von Bergmann
Publicado en: Physical Review B, Edición 95/10, 2017, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.95.104433

Universality of defect-skyrmion interaction profiles

Autores: Imara Lima Fernandes, Juba Bouaziz, Stefan Blügel, Samir Lounis
Publicado en: Nature Communications, Edición 9/1, 2018, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-018-06827-5

Engineering chiral and topological orbital magnetism of domain walls and skyrmions

Autores: Fabian R. Lux, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Publicado en: Communications Physics, Edición 1/1, 2018, ISSN 2399-3650
Editor: Nature Publishing Group
DOI: 10.1038/s42005-018-0055-y

Chirality in Magnetic Multilayers Probed by the Symmetry and the Amplitude of Dichroism in X-Ray Resonant Magnetic Scattering

Autores: Jean-Yves Chauleau, William Legrand, Nicolas Reyren, Davide Maccariello, Sophie Collin, Horia Popescu, Karim Bouzehouane, Vincent Cros, Nicolas Jaouen, Albert Fert
Publicado en: Physical Review Letters, Edición 120/3, 2018, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.120.037202

Electrical detection of single magnetic skyrmions in metallic multilayers at room temperature

Autores: Davide Maccariello, William Legrand, Nicolas Reyren, Karin Garcia, Karim Bouzehouane, Sophie Collin, Vincent Cros, Albert Fert
Publicado en: Nature Nanotechnology, Edición 13/3, 2018, Página(s) 233-237, ISSN 1748-3387
Editor: Nature Publishing Group
DOI: 10.1038/s41565-017-0044-4

First-principles investigation of chiral magnetic properties in multilayers: Rh/Co/Pt and Pd/Co/Pt

Autores: Hongying Jia, Bernd Zimmermann, Stefan Blügel
Publicado en: Physical Review B, Edición 98/14, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.98.144427

Controlled creation and stability of k π skyrmions on a discrete lattice

Autores: Julian Hagemeister, Ansgar Siemens, Levente Rózsa, Elena Y. Vedmedenko, Roland Wiesendanger
Publicado en: Physical Review B, Edición 97/17, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.97.174436

Effective damping enhancement in noncollinear spin structures

Autores: Levente Rózsa, Julian Hagemeister, Elena Y. Vedmedenko, Roland Wiesendanger
Publicado en: Physical Review B, Edición 98/10, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.98.100404

Lifetime of racetrack skyrmions

Autores: Pavel F. Bessarab, Gideon P. Müller, Igor S. Lobanov, Filipp N. Rybakov, Nikolai S. Kiselev, Hannes Jónsson, Valery M. Uzdin, Stefan Blügel, Lars Bergqvist, Anna Delin
Publicado en: Scientific Reports, Edición 8/1, 2018, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/s41598-018-21623-3

Hybrid chiral domain walls and skyrmions in magnetic multilayers

Autores: William Legrand, Jean-Yves Chauleau, Davide Maccariello, Nicolas Reyren, Sophie Collin, Karim Bouzehouane, Nicolas Jaouen, Vincent Cros, Albert Fert
Publicado en: Science Advances, Edición 4/7, 2018, Página(s) eaat0415, ISSN 2375-2548
Editor: AAAS
DOI: 10.1126/sciadv.aat0415

Trochoidal motion and pair generation in skyrmion and antiskyrmion dynamics under spin–orbit torques

Autores: Ulrike Ritzmann, Stephan von Malottki, Joo-Von Kim, Stefan Heinze, Jairo Sinova, Bertrand Dupé
Publicado en: Nature Electronics, Edición 1/8, 2018, Página(s) 451-457, ISSN 2520-1131
Editor: Nature Publishing Group
DOI: 10.1038/s41928-018-0114-0

Inducing skyrmions in ultrathin Fe films by hydrogen exposure

Autores: Pin-Jui Hsu, Levente Rózsa, Aurore Finco, Lorenz Schmidt, Krisztián Palotás, Elena Vedmedenko, László Udvardi, László Szunyogh, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger
Publicado en: Nature Communications, Edición 9/1, 2018, ISSN 2041-1723
Editor: Nature Publishing Group
DOI: 10.1038/s41467-018-04015-z

Room-Temperature Current-Induced Generation and Motion of sub-100 nm Skyrmions

Autores: William Legrand, Davide Maccariello, Nicolas Reyren, Karin Garcia, Christoforos Moutafis, Constance Moreau-Luchaire, Sophie Collin, Karim Bouzehouane, Vincent Cros, Albert Fert
Publicado en: Nano Letters, Edición 17/4, 2017, Página(s) 2703-2712, ISSN 1530-6984
Editor: American Chemical Society
DOI: 10.1021/acs.nanolett.7b00649

Pinning and hysteresis in the field dependent diameter evolution of skyrmions in Pt/Co/Ir superlattice stacks

Autores: K. Zeissler, M. Mruczkiewicz, S. Finizio, J. Raabe, P. M. Shepley, A. V. Sadovnikov, S. A. Nikitov, K. Fallon, S. McFadzean, S. McVitie, T. A. Moore, G. Burnell, C. H. Marrows
Publicado en: Scientific Reports, Edición 7/1, 2017, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/s41598-017-15262-3

Control of the gyration dynamics of magnetic vortices by the magnetoelastic effect

Autores: S. Finizio, S. Wintz, E. Kirk, A. K. Suszka, S. Gliga, P. Wohlhüter, K. Zeissler, J. Raabe
Publicado en: Physical Review B, Edición 96/5, 2017, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.96.054438

First-principles prediction of sub-10-nm skyrmions in Pd/Fe bilayers on Rh(111)

Autores: Soumyajyoti Haldar, Stephan von Malottki, Sebastian Meyer, Pavel F. Bessarab, Stefan Heinze
Publicado en: Physical Review B, Edición 98/6, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.98.060413

A skyrmion-based spin-torque nano-oscillator

Autores: F Garcia-Sanchez, J Sampaio, N Reyren, V Cros, J-V Kim
Publicado en: New Journal of Physics, Edición 18/7, 2016, Página(s) 075011, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/18/7/075011

Domain walls and Dzyaloshinskii-Moriya interaction in epitaxial Co/Ir(111) and Pt/Co/Ir(111)

Autores: Marco Perini, Sebastian Meyer, Bertrand Dupé, Stephan von Malottki, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger, Stefan Heinze
Publicado en: Physical Review B, Edición 97/18, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.97.184425

Thermal stability of metastable magnetic skyrmions: Entropic narrowing and significance of internal eigenmodes

Autores: L. Desplat, D. Suess, J-V. Kim, R. L. Stamps
Publicado en: Physical Review B, Edición 98/13, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.98.134407

Discrete Hall resistivity contribution from Néel skyrmions in multilayer nanodiscs

Autores: Katharina Zeissler, Simone Finizio, Kowsar Shahbazi, Jamie Massey, Fatma Al Ma’Mari, David M. Bracher, Armin Kleibert, Mark C. Rosamond, Edmund H. Linfield, Thomas A. Moore, Jörg Raabe, Gavin Burnell, Christopher H. Marrows
Publicado en: Nature Nanotechnology, 2018, ISSN 1748-3387
Editor: Nature Publishing Group
DOI: 10.1038/s41565-018-0268-y

Helical magnetic structure and the anomalous and topological Hall effects in epitaxial B20 Fe 1 − y Co y

Autores: Charles S. Spencer, Jacob Gayles, Nicholas A. Porter, Satoshi Sugimoto, Zabeada Aslam, Christian J. Kinane, Timothy R. Charlton, Frank Freimuth, Stanislav Chadov, Sean Langridge, Jairo Sinova, Claudia Felser, Stefan Blügel, Yuriy Mokrousov, Christopher H. Marrows
Publicado en: Physical Review B, Edición 97/21, 2018, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.97.214406

Skyrmion Gas Manipulation for Probabilistic Computing

Autores: D. Pinna, F. Abreu Araujo, J.-V. Kim, V. Cros, D. Querlioz, P. Bessiere, J. Droulez, J. Grollier
Publicado en: Physical Review Applied, Edición 9/6, 2018, ISSN 2331-7019
Editor: APS
DOI: 10.1103/PhysRevApplied.9.064018

Competition of Dzyaloshinskii-Moriya and Higher-Order Exchange Interactions in Rh / Fe Atomic Bilayers on Ir(111)

Autores: Niklas Romming, Henning Pralow, André Kubetzka, Markus Hoffmann, Stephan von Malottki, Sebastian Meyer, Bertrand Dupé, Roland Wiesendanger, Kirsten von Bergmann, Stefan Heinze
Publicado en: Physical Review Letters, Edición 120/20, 2018, ISSN 0031-9007
Editor: American Physical Society
DOI: 10.1103/PhysRevLett.120.207201

Current-driven skyrmion expulsion from magnetic nanostrips

Autores: Myoung-Woo Yoo, Vincent Cros, Joo-Von Kim
Publicado en: Physical Review B, Edición 95/18, 2017, ISSN 2469-9950
Editor: APS
DOI: 10.1103/PhysRevB.95.184423

A transmission electron microscope study of Néel skyrmion magnetic textures in multilayer thin film systems with large interfacial chiral interaction

Autores: S. McVitie, S. Hughes, K. Fallon, S. McFadzean, D. McGrouther, M. Krajnak, W. Legrand, D. Maccariello, S. Collin, K. Garcia, N. Reyren, V. Cros, A. Fert, K. Zeissler, C. H. Marrows
Publicado en: Scientific Reports, Edición 8/1, 2018, ISSN 2045-2322
Editor: Nature Publishing Group
DOI: 10.1038/s41598-018-23799-0

In-situ Electrical Transport Measurements Combined with Scanning Transmission X-ray Microscopy

Autores: S. Finizio, K. Zeissler, G. Burnell, C.H. Marrows, J. Raabe
Publicado en: Microscopy and Microanalysis, Edición 24/S2, 2018, Página(s) 78-79, ISSN 1431-9276
Editor: Cambridge University Press
DOI: 10.1017/S1431927618012771

Unexpected field-induced dynamics in magnetostrictive microstructured elements under isotropic strain

Autores: Simone Finizio, Sebastian Wintz, Sebastian Gliga, Eugenie Kirk, Anna Kinga Suszka, Phillip Wohlhüter, Katharina Zeissler, Jörg Raabe
Publicado en: Journal of Physics: Condensed Matter, Edición 30/31, 2018, Página(s) 314001, ISSN 0953-8984
Editor: Institute of Physics Publishing
DOI: 10.1088/1361-648X/aacddd

B – T phase diagram of Pd/Fe/Ir(111) computed with parallel tempering Monte Carlo

Autores: M Böttcher, S Heinze, S Egorov, J Sinova, B Dupé
Publicado en: New Journal of Physics, Edición 20/10, 2018, Página(s) 103014, ISSN 1367-2630
Editor: Institute of Physics Publishing
DOI: 10.1088/1367-2630/aae282

Higher-dimensional Wannier Interpolation for the Modern Theory of the Dzyaloshinskii–Moriya Interaction: Application to Co-based Trilayers

Autores: Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Publicado en: Journal of the Physical Society of Japan, Edición 87/4, 2018, Página(s) 041010, ISSN 0031-9015
Editor: Institute of Pure and Applied Physics
DOI: 10.7566/JPSJ.87.041010

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Device for generating a random electrical signal and associated architectures

Número de solicitud/publicación: FR 1600791
Fecha: 2016-05-18

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