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Magnetic Skyrmions for Future Nanospintronic Devices

Deliverables

Report on nucleation mechanisms, influence of pinning and interaction between skyrmions

Report on nucleation mechanisms, influence of pinning and interaction between skyrmions

Report on role of defect and temperature on the skyrmion stabilization

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 ab-initio calculation of spin-torque for single skyrmions in MML systems

Report on optimized conditions for an efficient skyrmion nucleation

Report on optimized conditions for an efficient skyrmion nucleation

Report on imaging of individual skyrmions of MML systems made by different techniques

Report on imaging of individual skyrmions of MML systems made by different techniques

Report on spin torque driven skyrmion propagation

Report on spin torque driven skyrmion propagation

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Publications

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

Author(s): 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
Published in: Nature Nanotechnology, Issue 11/5, 2016, Page(s) 444-448, ISSN 1748-3387
DOI: 10.1038/nnano.2015.313

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

Author(s): L Schmidt, J Hagemeister, P-J Hsu, A Kubetzka, K von Bergmann, R Wiesendanger
Published in: New Journal of Physics, Issue 18/7, 2016, Page(s) 075007, ISSN 1367-2630
DOI: 10.1088/1367-2630/18/7/075007

Perpendicular reading of single confined magnetic skyrmions

Author(s): Dax M. Crum, Mohammed Bouhassoune, Juba Bouaziz, Benedikt Schweflinghaus, Stefan Blügel, Samir Lounis
Published in: Nature Communications, Issue 6, 2015, Page(s) 8541, ISSN 2041-1723
DOI: 10.1038/ncomms9541

Pinning and movement of individual nanoscale magnetic skyrmions via defects

Author(s): Christian Hanneken, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger
Published in: New Journal of Physics, Issue 18/5, 2016, Page(s) 055009, ISSN 1367-2630
DOI: 10.1088/1367-2630/18/5/055009

Minimal radius of magnetic skyrmions: statics and dynamics

Author(s): A Siemens, Y Zhang, J Hagemeister, E Y Vedmedenko, R Wiesendanger
Published in: New Journal of Physics, Issue 18/4, 2016, Page(s) 045021, ISSN 1367-2630
DOI: 10.1088/1367-2630/18/4/045021

Engineering skyrmions in transition-metal multilayers for spintronics

Author(s): B. Dupé, G. Bihlmayer, M. Böttcher, S. Blügel, S. Heinze
Published in: Nature Communications, Issue 7, 2016, Page(s) 11779, ISSN 2041-1723
DOI: 10.1038/ncomms11779

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

Author(s): B Dupé, C N Kruse, T Dornheim, S Heinze
Published in: New Journal of Physics, Issue 18/5, 2016, Page(s) 055015, ISSN 1367-2630
DOI: 10.1088/1367-2630/18/5/055015

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

Author(s): Ashis Kumar Nandy, Nikolai S. Kiselev, Stefan Blügel
Published in: Physical Review Letters, Issue 116/17, 2016, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.116.177202

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

Author(s): Manuel dos Santos Dias, Juba Bouaziz, Mohammed Bouhassoune, Stefan Blügel, Samir Lounis
Published in: Nature Communications, Issue 7, 2016, Page(s) 13613, ISSN 2041-1723
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

Author(s): Guillaume Géranton, Bernd Zimmermann, Nguyen H. Long, Phivos Mavropoulos, Stefan Blügel, Frank Freimuth, Yuriy Mokrousov
Published in: Physical Review B, Issue 93/22, 2016, ISSN 2469-9950
DOI: 10.1103/PhysRevB.93.224420

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

Author(s): B. Schweflinghaus, B. Zimmermann, M. Heide, G. Bihlmayer, S. Blügel
Published in: Physical Review B, Issue 94/2, 2016, ISSN 2469-9950
DOI: 10.1103/PhysRevB.94.024403

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

Author(s): Roland Wiesendanger
Published in: Nature Reviews Materials, Issue 1/7, 2016, ISSN 2058-8437
DOI: 10.1038/natrevmats.2016.44

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

Author(s): Julian Hagemeister, Davide Iaia, Elena Y. Vedmedenko, Kirsten von Bergmann, André Kubetzka, Roland Wiesendanger
Published in: Physical Review Letters, Issue 117/20, 2016, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.117.207202

Pattern formation in skyrmionic materials with anisotropic environments

Author(s): Julian Hagemeister, Elena Y. Vedmedenko, Roland Wiesendanger
Published in: Physical Review B, Issue 94/10, 2016, ISSN 2469-9950
DOI: 10.1103/PhysRevB.94.104434

Antiskyrmions stabilized at interfaces by anisotropic Dzyaloshinskii-Moriya interactions

Author(s): Markus Hoffmann, Bernd Zimmermann, Gideon P. Müller, Daniel Schürhoff, Nikolai S. Kiselev, Christof Melcher, Stefan Blügel
Published in: Nature Communications, Issue 8/1, 2017, ISSN 2041-1723
DOI: 10.1038/s41467-017-00313-0

Topological spin Hall effect in antiferromagnetic skyrmions

Author(s): Patrick M. Buhl, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Published in: physica status solidi (RRL) - Rapid Research Letters, Issue 11/4, 2017, Page(s) 1700007, ISSN 1862-6254
DOI: 10.1002/pssr.201700007

Tailoring noncollinear magnetism by misfit dislocation lines

Author(s): Aurore Finco, Pin-Jui Hsu, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger
Published in: Physical Review B, Issue 94/21, 2016, ISSN 2469-9950
DOI: 10.1103/PhysRevB.94.214402

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

Author(s): Jan-Philipp Hanke, Frank Freimuth, Chengwang Niu, Stefan Blügel, Yuriy Mokrousov
Published in: Nature Communications, Issue 8/1, 2017, ISSN 2041-1723
DOI: 10.1038/s41467-017-01138-7

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

Author(s): Josef Grenz, Arne Köhler, Alexander Schwarz, Roland Wiesendanger
Published in: Physical Review Letters, Issue 119/4, 2017, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.119.047205

Enhanced skyrmion stability due to exchange frustration

Author(s): S. von Malottki, B. Dupé, P. F. Bessarab, A. Delin, S. Heinze
Published in: Scientific Reports, Issue 7/1, 2017, ISSN 2045-2322
DOI: 10.1038/s41598-017-12525-x

Temperature-Induced Increase of Spin Spiral Periods

Author(s): Aurore Finco, Levente Rózsa, Pin-Jui Hsu, André Kubetzka, Elena Vedmedenko, Kirsten von Bergmann, Roland Wiesendanger
Published in: Physical Review Letters, Issue 119/3, 2017, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.119.037202

Prototypical topological orbital ferromagnet γ-FeMn

Author(s): Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Published in: Scientific Reports, Issue 7/1, 2017, ISSN 2045-2322
DOI: 10.1038/srep41078

Current-driven skyrmion dynamics in disordered films

Author(s): Joo-Von Kim, Myoung-Woo Yoo
Published in: Applied Physics Letters, Issue 110/13, 2017, Page(s) 132404, ISSN 0003-6951
DOI: 10.1063/1.4979316

Electric-field-driven switching of individual magnetic skyrmions

Author(s): Pin-Jui Hsu, André Kubetzka, Aurore Finco, Niklas Romming, Kirsten von Bergmann, Roland Wiesendanger
Published in: Nature Nanotechnology, Issue 12/2, 2016, Page(s) 123-126, ISSN 1748-3387
DOI: 10.1038/nnano.2016.234

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

Author(s): 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
Published in: Nature Communications, Issue 9/1, 2018, ISSN 2041-1723
DOI: 10.1038/s41467-018-03378-7

Magnetic skyrmions: advances in physics and potential applications

Author(s): Albert Fert, Nicolas Reyren, Vincent Cros
Published in: Nature Reviews Materials, Issue 2/7, 2017, Page(s) 17031, ISSN 2058-8437
DOI: 10.1038/natrevmats.2017.31

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

Author(s): Sebastian Meyer, Bertrand Dupé, Paolo Ferriani, Stefan Heinze
Published in: Physical Review B, Issue 96/9, 2017, ISSN 2469-9950
DOI: 10.1103/PhysRevB.96.094408

Impact of the skyrmion spin texture on magnetoresistance

Author(s): André Kubetzka, Christian Hanneken, Roland Wiesendanger, Kirsten von Bergmann
Published in: Physical Review B, Issue 95/10, 2017, ISSN 2469-9950
DOI: 10.1103/PhysRevB.95.104433

Universality of defect-skyrmion interaction profiles

Author(s): Imara Lima Fernandes, Juba Bouaziz, Stefan Blügel, Samir Lounis
Published in: Nature Communications, Issue 9/1, 2018, ISSN 2041-1723
DOI: 10.1038/s41467-018-06827-5

Engineering chiral and topological orbital magnetism of domain walls and skyrmions

Author(s): Fabian R. Lux, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Published in: Communications Physics, Issue 1/1, 2018, ISSN 2399-3650
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

Author(s): Jean-Yves Chauleau, William Legrand, Nicolas Reyren, Davide Maccariello, Sophie Collin, Horia Popescu, Karim Bouzehouane, Vincent Cros, Nicolas Jaouen, Albert Fert
Published in: Physical Review Letters, Issue 120/3, 2018, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.120.037202

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

Author(s): Davide Maccariello, William Legrand, Nicolas Reyren, Karin Garcia, Karim Bouzehouane, Sophie Collin, Vincent Cros, Albert Fert
Published in: Nature Nanotechnology, Issue 13/3, 2018, Page(s) 233-237, ISSN 1748-3387
DOI: 10.1038/s41565-017-0044-4

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

Author(s): Hongying Jia, Bernd Zimmermann, Stefan Blügel
Published in: Physical Review B, Issue 98/14, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.98.144427

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

Author(s): Julian Hagemeister, Ansgar Siemens, Levente Rózsa, Elena Y. Vedmedenko, Roland Wiesendanger
Published in: Physical Review B, Issue 97/17, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.97.174436

Effective damping enhancement in noncollinear spin structures

Author(s): Levente Rózsa, Julian Hagemeister, Elena Y. Vedmedenko, Roland Wiesendanger
Published in: Physical Review B, Issue 98/10, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.98.100404

Lifetime of racetrack skyrmions

Author(s): 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
Published in: Scientific Reports, Issue 8/1, 2018, ISSN 2045-2322
DOI: 10.1038/s41598-018-21623-3

Hybrid chiral domain walls and skyrmions in magnetic multilayers

Author(s): William Legrand, Jean-Yves Chauleau, Davide Maccariello, Nicolas Reyren, Sophie Collin, Karim Bouzehouane, Nicolas Jaouen, Vincent Cros, Albert Fert
Published in: Science Advances, Issue 4/7, 2018, Page(s) eaat0415, ISSN 2375-2548
DOI: 10.1126/sciadv.aat0415

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

Author(s): Ulrike Ritzmann, Stephan von Malottki, Joo-Von Kim, Stefan Heinze, Jairo Sinova, Bertrand Dupé
Published in: Nature Electronics, Issue 1/8, 2018, Page(s) 451-457, ISSN 2520-1131
DOI: 10.1038/s41928-018-0114-0

Inducing skyrmions in ultrathin Fe films by hydrogen exposure

Author(s): Pin-Jui Hsu, Levente Rózsa, Aurore Finco, Lorenz Schmidt, Krisztián Palotás, Elena Vedmedenko, László Udvardi, László Szunyogh, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger
Published in: Nature Communications, Issue 9/1, 2018, ISSN 2041-1723
DOI: 10.1038/s41467-018-04015-z

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

Author(s): William Legrand, Davide Maccariello, Nicolas Reyren, Karin Garcia, Christoforos Moutafis, Constance Moreau-Luchaire, Sophie Collin, Karim Bouzehouane, Vincent Cros, Albert Fert
Published in: Nano Letters, Issue 17/4, 2017, Page(s) 2703-2712, ISSN 1530-6984
DOI: 10.1021/acs.nanolett.7b00649

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

Author(s): 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
Published in: Scientific Reports, Issue 7/1, 2017, ISSN 2045-2322
DOI: 10.1038/s41598-017-15262-3

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

Author(s): S. Finizio, S. Wintz, E. Kirk, A. K. Suszka, S. Gliga, P. Wohlhüter, K. Zeissler, J. Raabe
Published in: Physical Review B, Issue 96/5, 2017, ISSN 2469-9950
DOI: 10.1103/PhysRevB.96.054438

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

Author(s): Soumyajyoti Haldar, Stephan von Malottki, Sebastian Meyer, Pavel F. Bessarab, Stefan Heinze
Published in: Physical Review B, Issue 98/6, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.98.060413

A skyrmion-based spin-torque nano-oscillator

Author(s): F Garcia-Sanchez, J Sampaio, N Reyren, V Cros, J-V Kim
Published in: New Journal of Physics, Issue 18/7, 2016, Page(s) 075011, ISSN 1367-2630
DOI: 10.1088/1367-2630/18/7/075011

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

Author(s): Marco Perini, Sebastian Meyer, Bertrand Dupé, Stephan von Malottki, André Kubetzka, Kirsten von Bergmann, Roland Wiesendanger, Stefan Heinze
Published in: Physical Review B, Issue 97/18, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.97.184425

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

Author(s): L. Desplat, D. Suess, J-V. Kim, R. L. Stamps
Published in: Physical Review B, Issue 98/13, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.98.134407

Discrete Hall resistivity contribution from Néel skyrmions in multilayer nanodiscs

Author(s): 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
Published in: Nature Nanotechnology, 2018, ISSN 1748-3387
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

Author(s): 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
Published in: Physical Review B, Issue 97/21, 2018, ISSN 2469-9950
DOI: 10.1103/PhysRevB.97.214406

Skyrmion Gas Manipulation for Probabilistic Computing

Author(s): D. Pinna, F. Abreu Araujo, J.-V. Kim, V. Cros, D. Querlioz, P. Bessiere, J. Droulez, J. Grollier
Published in: Physical Review Applied, Issue 9/6, 2018, ISSN 2331-7019
DOI: 10.1103/PhysRevApplied.9.064018

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

Author(s): Niklas Romming, Henning Pralow, André Kubetzka, Markus Hoffmann, Stephan von Malottki, Sebastian Meyer, Bertrand Dupé, Roland Wiesendanger, Kirsten von Bergmann, Stefan Heinze
Published in: Physical Review Letters, Issue 120/20, 2018, ISSN 0031-9007
DOI: 10.1103/PhysRevLett.120.207201

Current-driven skyrmion expulsion from magnetic nanostrips

Author(s): Myoung-Woo Yoo, Vincent Cros, Joo-Von Kim
Published in: Physical Review B, Issue 95/18, 2017, ISSN 2469-9950
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

Author(s): 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
Published in: Scientific Reports, Issue 8/1, 2018, ISSN 2045-2322
DOI: 10.1038/s41598-018-23799-0

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

Author(s): S. Finizio, K. Zeissler, G. Burnell, C.H. Marrows, J. Raabe
Published in: Microscopy and Microanalysis, Issue 24/S2, 2018, Page(s) 78-79, ISSN 1431-9276
DOI: 10.1017/S1431927618012771

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

Author(s): Simone Finizio, Sebastian Wintz, Sebastian Gliga, Eugenie Kirk, Anna Kinga Suszka, Phillip Wohlhüter, Katharina Zeissler, Jörg Raabe
Published in: Journal of Physics: Condensed Matter, Issue 30/31, 2018, Page(s) 314001, ISSN 0953-8984
DOI: 10.1088/1361-648X/aacddd

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

Author(s): M Böttcher, S Heinze, S Egorov, J Sinova, B Dupé
Published in: New Journal of Physics, Issue 20/10, 2018, Page(s) 103014, ISSN 1367-2630
DOI: 10.1088/1367-2630/aae282

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

Author(s): Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
Published in: Journal of the Physical Society of Japan, Issue 87/4, 2018, Page(s) 041010, ISSN 0031-9015
DOI: 10.7566/JPSJ.87.041010