Contact

Porträt Dr. Kakay, Attila; FWIN-C

Dr. Attila Kakay

Head
Micromagnetic Modeling group leader
a.kakayAthzdr.de
Phone: +49 351 260 3410

Micromagnetic Modeling Publications

2024

Parametric magnon transduction to spin qubits

Bejarano, M.; Goncalves, F. J. T.; Hache, T.; Hollenbach, M.; Heins, C.; Hula, T.; Körber, L.; Heinze, J.; Berencen, Y.; Helm, M.; Faßbender, J.; Astakhov, G.; Schultheiß, H.

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Coherent Magnons with Giant Nonreciprocity at Nanoscale Wavelengths

Gallardo, R. A.; Weigand, M.; Schultheiß, K.; Kakay, A.; Mattheis, R.; Raabe, J.; Schütz, G.; Deac, A. M.; Lindner, J.; Wintz, S.

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Three-dimensional magnetic nanotextures with high-order vorticity in soft magnetic wireframes

Volkov, O.; Pylypovskyi, O.; Porrati, F.; Kronast, F.; Fernandez Roldan, J. A.; Kakay, A.; Kuprava, A.; Barth, S.; Rybakov, F. N.; Eriksson, O.; Lamb-Camarena, S.; Makushko, P.; Mawass, M.-A.; Shakeel, S.; Dobrovolskiy, O. V.; Huth, M.; Makarov, D.

Involved research facilities

  • Data Center

2023

Piezostrain as a Local Handle to Control Gyrotropic Dynamics of Magnetic Vortices

Iurchuk, V.; Sorokin, S.; Lindner, J.; Faßbender, J.; Kakay, A.

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Nontrivial Aharonov-Bohm effect and alternating dispersion of magnons in cone-state ferromagnetic rings

Uzunova, V.; Körber, L.; Kavvadia, A.; Quasebarth, G.; Schultheiß, H.; Kakay, A.; Ivanov, B.

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Control of Four-Magnon Scattering by Pure Spin Current in a Magnonic Waveguide

Hache, T.; Körber, L.; Hula, T.; Lenz, K.; Kakay, A.; Hellwig, O.; Lindner, J.; Faßbender, J.; Schultheiß, H.

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Direct magnetic manipulation of a permalloy nanostructure by a focused cobalt ion beam

Pablo-Navarro, J.; Klingner, N.; Hlawacek, G.; Kakay, A.; Bischoff, L.; Narkovic, R.; Mazarov, P.; Hübner, R.; Meyer, F.; Pilz, W.; Lindner, J.; Lenz, K.

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  • Secondary publication expected from 26.10.2024

Chirality coupling in topological magnetic textures with multiple magnetochiral parameters

Volkov, O.; Wolf, D.; Pylypovskyi, O.; Kakay, A.; Sheka, D. D.; Büchner, B.; Faßbender, J.; Lubk, A.; Makarov, D.


Modification of three-magnon splitting in a flexed magnetic vortex

Körber, L.; Heins, C.; Soldatov, I.; Schäfer, R.; Kakay, A.; Schultheiß, H.; Schultheiß, K.

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Coupling of terahertz light with nanometre-wavelength magnon modes via spin–orbit torque

Salikhov, R.; Ilyakov, I.; Körber, L.; Kakay, A.; Gallardo, R. A.; Ponomaryov, O.; Deinert, J.-C.; de Oliveira, T.; Lenz, K.; Faßbender, J.; Bonetti, S.; Hellwig, O.; Lindner, J.; Kovalev, S.

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Tailoring crosstalk between localized 1D spin-wave nanochannels using focused ion beams

Iurchuk, V.; Pablo-Navarro, J.; Hula, T.; Narkovic, R.; Hlawacek, G.; Körber, L.; Kakay, A.; Schultheiß, H.; Faßbender, J.; Lenz, K.; Lindner, J.

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Pattern recognition in reciprocal space with a magnon-scattering reservoir

Körber, L.; Heins, C.; Hula, T.; Kim, J.-V.; Thlang, S.; Schultheiß, H.; Faßbender, J.; Schultheiß, K.

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2022

Finite-element dynamic-matrix approach for propagating spin waves: Extension to mono- and multilayers of arbitrary spacing and thickness

Körber, L.; Hempel, A.; Otto, A.; Gallardo, R. A.; Henry, Y.; Lindner, J.; Kakay, A.

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Curvilinear spin-wave dynamics beyond the thin-shell approximation: Magnetic nanotubes as a case study

Körber, L.; Verba, R.; Otálora, J. A.; Kravchuk, V.; Lindner, J.; Faßbender, J.; Kakay, A.

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Mode splitting of spin waves in magnetic nanotubes with discrete symmetries

Körber, L.; Kézsmárki, I.; Kakay, A.

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Curvature-induced drift and deformation of magnetic skyrmions: Comparison of the ferromagnetic and antiferromagnetic cases

Yershov, K.; Kakay, A.; Kravchuk, V. P.

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New dimension in magnetism and superconductivity: 3D and curvilinear nano-architectures

Makarov, D.; Volkov, O.; Kakay, A.; Pylypovskyi, O.; Budinska, B.; Dobrovolskiy, O.

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Spin-wave frequency combs

Hula, T.; Schultheiß, K.; Trindade Goncalves, F. J.; Körber, L.; Bejarano, M.; Copus, M.; Flacke, L.; Liensberger, L.; Buzdakov, A.; Kakay, A.; Weiler, M.; Camley, R.; Faßbender, J.; Schultheiß, H.

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2021

Spin-wave focusing induced by dipole-dipole interaction in synthetic antiferromagnets

Gallardo, R. A.; Alvarado-Seguel, P.; Kákay, A.; Lindner, J.; Landeros, P.

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  • Secondary publication expected

Robust formation of nanoscale magnetic skyrmions in easy-plane anisotropy thin film multilayers with low damping

Flacke, L.; Ahrens, V.; Mendisch, S.; Körber, L.; Böttcher, T.; Meidinger, E.; Yaqoob, M.; Müller, M.; Liensberger, L.; Kakay, A.; Becherer, M.; Pirro, P.; Althammer, M.; Geprägs, S.; Huebl, H.; Gross, R.; Weiler, M.

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Symmetry and curvature effects on spin waves in vortex-state hexagonal nanotubes

Körber, L.; Zimmermann, M.; Wintz, S.; Finizio, S.; Kronseder, M.; Bougeard, D.; Dirnberger, F.; Weigand, M.; Raabe, J.; Otálora, J. A.; Schultheiß, H.; Josten, E.; Lindner, J.; Kézsmárki, I.; Back, C. H.; Kakay, A.

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Numerical reverse engineering of general spin-wave dispersions: Bridge between numerics and analytics using a dynamic-matrix approach

Körber, L.; Kakay, A.

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Stress-induced modification of gyration dynamics in stacked double-vortex structures studied by micromagnetic simulations

Iurchuk, V.; Körber, L.; Deac, A. M.; Faßbender, J.; Lindner, J.; Kakay, A.


Nonreciprocity of spin waves in magnetic nanotubes with helical equilibrium magnetization

Salazar-Cardona, M. M.; Körber, L.; Schultheiß, H.; Lenz, K.; Thomas, A.; Nielsch, K.; Kakay, A.; Otálora, J. A.

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Multistate current-induced magnetization switching in Au/Fe/MgO(001) epitaxial heterostructures

Gospodarič, P.; Młyńczak, E.; Soldatov, I.; Kakay, A.; Bürgler, D. E.; Plucinski, L.; Schäfer, R.; Faßbender, J.; Schneider, C. M.


Finite-element dynamic-matrix approach for spin-wave dispersions in magnonic waveguides with arbitrary cross section

Körber, L.; Quasebarth, G.; Otto, A.; Kakay, A.

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Theory of three-magnon interaction in a vortex-state magnetic nanodot

Verba, R.; Körber, L.; Schultheiß, K.; Schultheiß, H.; Tiberkevich, V.; Slavin, A.

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Spin-wave dynamics and symmetry breaking in an artificial spin ice

Saha, S.; Zhou, J.; Hofhuis, K.; Kakay, A.; Scagnoli, V.; Heyderman, L. J.; Gliga, S.

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Time refraction of spin waves

Schultheiß, K.; Sato, N.; Matthies, P.; Körber, L.; Wagner, K.; Hula, T.; Gladii, O.; Pearson, J. E.; Hoffmann, A.; Helm, M.; Faßbender, J.; Schultheiß, H.

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Numerical ferromagnetic resonance experiments in nanosized elements

Wagner, K.; Körber, L.; Stienen, S.; Lindner, J.; Farle, M.; Kakay, A.

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Self-stabilizing exchange-mediated spin transport

Schneider, T.; Hill, D.; Kakay, A.; Lenz, K.; Lindner, J.; Faßbender, J.; Upadhyaya, P.; Liu, Y.; Wang, K.; Tserkovnyak, Y.; Krivorotov, I. N.; Barsukov, I.

Involved research facilities

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2020

Spin-transfer dynamics in MgO-based magnetic tunnel junctions with an out-of-plane magnetized free layer and an in-plane polarizer

Kowalska, E.; Sluka, V.; Kakay, A.; Fowley, C.; Lindner, J.; Fassbender, J.; Deac, A. M.

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Propagation of spin waves through a Néel domain wall

Wojewoda, O.; Hula, T.; Flajšman, L.; Vaňatka, M.; Gloss, J.; Holobrádek, J.; Staňo, M.; Stienen, S.; Körber, L.; Schultheiß, K.; Schmid, M.; Schultheiß, H.; Urbánek, M.


Effect of curvature on the eigenstates of magnetic skyrmions

Korniienko, A.; Kakay, A.; Sheka, D. D.; Kravchuk, V. P.

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Nonlocal stimulation of three-magnon splitting in a magnetic vortex

Körber, L.; Schultheiß, K.; Hula, T.; Verba, R.; Faßbender, J.; Kakay, A.; Schultheiß, H.

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Nonlinear losses in magnon transport due to four-magnon scattering

Hula, T.; Schultheiß, K.; Buzdakov, A.; Körber, L.; Bejarano, M.; Flacke, L.; Liensberger, L.; Weiler, M.; Shaw, J. M.; Nembach, H. T.; Faßbender, J.; Schultheiß, H.

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Visualizing Magnetic Structure in 3D Nanoscale Ni–Fe Gyroid Networks

Llandro, J.; Love, D. M.; Kovács, A.; Caron, J.; Vyas, K. N.; Kakay, A.; Salikhov, R.; Lenz, K.; Faßbender, J.; Scherer, M. R. J.; Cimorra, C.; Steiner, U.; Barnes, C. H. W.; Dunin-Borkowski, R. E.; Fukami, S.; Ohno, H.

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Tunable magnetic vortex dynamics in ion-implanted permalloy disks

Ramasubramanian, L.; Kákay, A.; Fowley, C.; Yildirim, O.; Matthes, P.; Sorokin, S.; Titova, A.; Hilliard, D.; Böttger, R.; Hübner, R.; Gemming, S.; Schulz, S. E.; Kronast, F.; Makarov, D.; Faßbender, J.; Deac, A. M.

Involved research facilities

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Nonlocal chiral symmetry breaking in curvilinear magnetic shells

Sheka, D. D.; Pylypovskyi, O.; Landeros, P.; Gaididei, Y.; Kakay, A.; Makarov, D.


Domain wall-based spin-Hall nano-oscillators

Sato, N.; Schultheiß, K.; Körber, L.; Puwenberg, N.; Mühl, T.; Awad, A. A.; Arekapudi, S. S. P. K.; Hellwig, O.; Faßbender, J.; Schultheiß, H.

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2019

Experimental Observation of Exchange-Driven Chiral Effects in Curvilinear Magnetism

Volkov, O.; Kakay, A.; Florian, K.; Mönch, J. I.; Mohamad-Assaad, M.; Faßbender, J.; Makarov, D.

Involved research facilities

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  • Secondary publication expected

Strain Anisotropy and Magnetic Domains in Embedded Nanomagnets

Nord, M.; Semisalova, A.; Kákay, A.; Hlawacek, G.; Maclaren, I.; Liersch, V.; Volkov, O.; Makarov, D.; Paterson, G. W.; Potzger, K.; Lindner, J.; Faßbender, J.; Mcgrouther, D.; Bali, R.

Involved research facilities

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Defect-Driven Magnetization Configuration of Isolated Linear Assemblies of Iron Oxide Nanoparticles

Rastei, M. V.; Pierron-Bohnes, V.; Toulemon, D.; Bouillet, C.; Kákay, A.; Hertel, R.; Tetsi, E.; Begin-Colin, S.; Pichon, B. P.

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Magnetization Dynamics of an Individual Single-Crystalline Fe-Filled Carbon Nanotube

Lenz, K.; Narkowicz, R.; Wagner, K.; Reiche, C. F.; Körner, J.; Schneider, T.; Kákay, A.; Schultheiss, H.; Suter, D.; Büchner, B.; Fassbender, J.; Mühl, T.; Lindner, J.

Involved research facilities

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Zero-field dynamics stabilized by in-plane shape anisotropy in MgO-based spin-torque oscillators

Kowalska, E.; Kákay, A.; Fowley, C.; Sluka, V.; Lindner, J.; Fassbender, J.; Deac, A. M.

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Excitation of whispering gallery magnons in a magnetic vortex

Schultheiss, K.; Verba, R.; Wehrmann, F.; Wagner, K.; Körber, L.; Hula, T.; Hache, T.; Kákay, A.; Awad, A. A.; Tiberkevich, V.; Slavin, A. N.; Fassbender, J.; Schultheiss, H.

Involved research facilities

Related publications

  • Open Access Logo Physical Review Letters 122(2019), 097202
    Cited 57 times in Scopus
  • Invited lecture (Conferences)
    International Conference on Magnetism, 19.07.2018, San Francisco, USA
  • Invited lecture (Conferences)
    APS March Meeting, 04.03.2019, Boston, USA
  • Poster
    Wilhelm und Else Heraeus-Seminar “Spin Based Information Processing”, 08.01.2019, Bad Honnef, Deutschland
  • Lecture (Conference)
    Joint European Magnetic Symposia (JEMS), 04.09.2018, Mainz, Deutschland
  • Poster
    Magnonics 2019, 28.07.2019, Carovigno, Italien
  • Invited lecture (Conferences)
    Magnetics and Optics Research International Symposium, 24.06.2019, Prague, Czech Republic
  • Invited lecture (Conferences)
    Conference on Magnetism and Magnetic Materials (MMM), 06.11.2019, Las Vegas, USA

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Experimental and Theoretical Study of Curvature Effects in Parabolic Nanostripes

Volkov, O. M.; Kronast, F.; Mönch, I.; Mawass, M.-A.; Kákay, A.; Fassbender, J.; Makarov, D.

Involved research facilities

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Tunnel magnetoresistance angular and bias dependence enabling tuneable wireless communication

Kowalska, E.; Fukushima, A.; Sluka, V.; Fowley, C.; Kákay, A.; Aleksandrov, Y.; Lindner, J.; Fassbender, J.; Yuasa, S.; Deac, A. M.

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Emission and Propagation of Multi-Dimensional Spin Waves in Anisotropic Spin Textures

Sluka, V.; Schneider, T.; Gallardo, R. A.; Kakay, A.; Weigand, M.; Warnatz, T.; Mattheis, R.; Roldan-Molina, A.; Landeros, P.; Tiberkevich, V.; Slavin, A.; Schütz, G.; Erbe, A.; Deac, A. M.; Lindner, J.; Faßbender, J.; Raabe, J.; Wintz, S.

Involved research facilities

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2018

Frequency linewidth and decay length of spin waves in curved magnetic membranes

Otalora, J. A.; Kákay, A.; Lindner, J.; Schultheiss, H.; Thomas, A.; Fassbender, J.; Nielsch, K.

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Origin and Manipulation of Stable Vortex Ground States in Permalloy Nanotubes

Zimmermann, M.; Gerhard-Meier, T. N.; Dirnberger, F.; Kákay, A.; Decker, M.; Wintz, S.; Finizio, S.; Josten, E.; Raabe, J.; Kronseder, M.; Bougeard, D.; Lindner, J.; Back, C. H.

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Multiplet of skyrmion states on a curvilinear defect: Reconfigurable skyrmion lattices

Kravchuk, V. P.; Sheka, D. D.; Kákay, A.; Volkov, O. M.; Rößler, U. K.; van den Brink, J.; Makarov, D.; Gaididei, Y.

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2017

Spin-wave reciprocity in the presence of Néel walls

Körber, L.; Wagner, K.; Kákay, A.; Schultheiß, H.

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Asymmetric spin-wave dispersion in ferromagnetic nanotubes induced by surface curvature

Otálora, J. A.; Yan, M.; Schultheiss, H.; Hertel, R.; Kákay, A.

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  • Secondary publication expected

2016

Curvature-Induced Asymmetric Spin-Wave Dispersion

Otálora, A. S.; Yan, M.; Schultheiss, H.; Hertel, R.; Kákay, A.

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Magnetic domain walls as reconfigurable spin-wave nanochannels

Wagner, K.; Kakay, A.; Schultheiss, K.; Henschke, A.; Sebastian, T.; Schultheiss, H.

Involved research facilities

Related publications

  • Nature Nanotechnology 11(2016)5, 432-436
    Cited 229 times in Scopus
  • Invited lecture (Conferences)
    SPIE 9931, Spintronics IX, 29.08.-1.9.2016, San Diego, U.S.A.
  • Invited lecture (Conferences)
    MMM Conference, 31.10.-04.11.2016, New Orleans, U.S.A.
  • Lecture (Conference)
    MML Conference, 20.-24.06.2016, Uppsala, Schweden
  • Contribution to proceedings
    SPIE 9931, Spintronics IX, 29.08.-01.09.2016, San Diego, U.S.A.
    Magnetic domain walls as reconfigurable spin-wave nano-channels

2015

Broken vertex symmetry and finite zero-point entropy in the artificial square ice ground state

Gliga, S.; Kákay, A.; Heyderman, L. J.; Hertel, R.; Heinonen, O. G.


Spin-torque-induced dynamics at fine-split frequencies in nano-oscillators with two stacked vortices

Sluka, V.; Kákay, A.; Deac, A. M.; Bürgler, D. E.; Schneider, C. M.; Hertel, R.