Publications

2020

  1. Entropy-reduced retention times in magnetic memory elements: A case of the Meyer-Neldel Compensation Rule
    L. Desplat and J.-V. Kim
    arXiv:2007.02152 [cond-mat.mes-hall]
  2. Imaging non-collinear antiferromagnetic textures via single spin relaxometry
    A. Finco, A. Haykal, R. Tanos, F. Fabre, S. Chouaieb, W. Akhtar, I. Robert-Philip, W. Legrand, F. Ajejas, K. Bouzehouane, N. Reyren, T. Devolder, J.-P. Adam, J.-V. Kim, V. Cros, and V. Jacques
    arXiv:2006.13130 [cond-mat.mes-hall]
  3. Back-hopping in Spin-Transfer-Torque switching of perpendicularly magnetized tunnel junctions
    T. Devolder, O. Bultynck, P. Bouquin, V. D. Nguyen, S. Rao, D. Wan, B. Sorée, I. P. Radu, G. S. Kar, S. Couet
    arXiv:2006.05108 [cond-mat.mtrl-sci]
  4. On quantifying the topological charge in micromagnetics using a lattice-based approach
    J.-V. Kim
    arXiv:2006.13336 [physics.comp-ph]
  5. Analytical model of the inertial dynamics of a magnetic vortex
    M.-W. Yoo, F. Mineo, and J.-V. Kim
    arXiv:2006.02866 [cond-mat.mes-hall]
  6. Electrical spectroscopy of forward volume spin waves in perpendicularly magnetized materials
    M. Sushruth, M. Grassi, K. Ait-Oukaci, D. Stoeffler, Y. Henry, D. Lacour, M. Hehn, U Bhaskar, M. Bailleul, T. Devolder, and J.-P. Adam
    arXiv:2001.11483 [cond-mat.mes-hall]
  7. BPZT HBARs for bias-tunable, stress generation at GHz frequencies
    U. K. Bhaskar, D. Tierno, G. Talmelli, F. Ciubotaru, C. Adelmann, and T. Devolder
    arXiv:1909.03702 [physics.app-ph]
  8. Reconfigurable nanoscale spin wave majority gate with frequency-division multiplexing
    G. Talmelli, T. Devolder, N. Träger, J. Förster, S. Wintz, M. Weigand, H. Stoll, M. Heyns, G. Schütz, I. Radu, J. Gräfe, F. Ciubotaru, and C. Adelmann
    arXiv:1908.02546 [physics.app-ph]
  9. Path sampling for lifetimes of metastable magnetic skyrmions and direct comparison with Kramers’ method
    L. Desplat, C. Vogler, J.-V. Kim, R.L. Stamps, and D. Suess
    Physical Review B 101, 060403(R) (2020)
  10. Pattern generation and symbolic dynamics in a nanocontact vortex oscillator
    M.-W. Yoo, D. Rontani, J. Létang, S. Petit-Watelot, T. Devolder, M. Sciamanna, K. Bouzehouane, V. Cros, and J.-V. Kim
    Nature Communications 11, 601 (2020)
  11. Backward volume vs Damon–Eshbach: A traveling spin wave spectroscopy comparison
    U. K. Bhaskar, G. Talmelli, F. Ciubotaru, C. Adelmann, and T. Devolder
    Journal of Applied Physics 127, 033902 (2020)
  12. Static and dynamic magnetic properties of CoPt/NiFe bilayers: experiment and modelling
    H. Bouloussa, Y. Roussigné, M. Belmeguenai, A. Stashkevitch, J. H. Hsu, T. Devolder, and S. M. Chérif
    Journal of Physics D: Applied Physics 53, 075001 (2020)
  13. Determining key spin-orbitronic parameters by means of propagating spin waves
    O. Gladii, M. Collet, Y. Henry, J.-V. Kim, A. Anane, and M. Bailleul
    Physical Review Applied 13, 014016 (2020)

2019

  1. Modulation and phase-locking in nanocontact vortex oscillators
    J. Létang, S. Petit-Watelot, M.-W. Yoo, T. Devolder, K. Bouzehouane, V. Cros, and J.-V. Kim
    Physical Review B 100, 144414 (2019)
  2. Chaos in Magnetic Nanocontact Vortex Oscillators
    T. Devolder, D. Rontani, S. Petit-Watelot, K. Bouzehouane, S. Andrieu, J. Létang, M.-W. Yoo, J.-P. Adam, C. Chappert, S. Girod, V. Cros, M. Sciamanna, and J.-V. Kim
    Physical Review Letters 123, 147701 (2019)
  3. Effect of Tantalum Spacer Thickness and Deposition Conditions on the Properties of MgO/CoFeB/Ta/CoFeB/MgO Free Layers
    T. Devolder, S. Couet, J. Swerts, S. Mertens, S. Rao, and G. S. Kar
    IEEE Magnetics Letters 10, 5505804 (2019)
  4. In situ monitoring of electric field effect on domain wall motion in Co ultrathin films in direct contact with an electrolyte
    A. D. Lamirand, J.-P. Adam, D. Ravelosona, P. Allongue, and F. Maroun
    Applied Physics Letters 115, 032402 (2019)
  5. Offset fields in perpendicularly magnetized tunnel junctions
    T. Devolder, R. Carpenter, S. Rao, W. Kim, S. Couet, J. Swerts, and G. S. Kar
    Journal of Physics D: Applied Physics 52, 274001 (2019)
  6. Unidirectional spin-wave channeling along magnetic domain walls of Bloch type
    Y. Henry, D. Stoeffler, J.-V. Kim, and M. Bailleul
    Physical Review B 100, 024416 (2019)
  7. Chaotic dynamics in a macrospin spin-torque nano-oscillator with time-delayed feedback
    J. Williame, A. Difini Accioly, D. Rontani, M. Sciamanna, and J.-V Kim
    Applied Physics Letters 114, 232405 (2019)
  8. Paths to annihilation of first- and second-order (anti)skyrmions via (anti)meron nucleation on the frustrated square lattice
    L. Desplat, J.-V. Kim, and R. L. Stamps
    Physical Review B 99, 174409 (2019)
  9. Domain-wall motion and interfacial Dzyaloshinskii-Moriya Interactions in Pt/Co/Ir(t [sub Ir])/Ta multilayers
    K. Shahbazi, J.-V. Kim, H. T. Nembach, J. M. Shaw, A. Bischof, M. D. Rossell, V. Jeudy, T. A. Moore, and C. H. Marrows
    Physical Review B 99, 094409 (2019)

2018

  1. Size dependence of spin-torque switching in perpendicular magnetic tunnel junctions
    P. Bouquin, S. Rao, G. S. Kar, and T. Devolder
    Applied Physics Letters 113, 222408 (2018)
  2. Engineering Domain-Wall Motion in CoFeB/MgO Ultrathin Films with Perpendicular Anisotropy Using Patterned Substrates with Subnanometer Step Modulation
    A. Digiacomo, R. Mantovan, N. Vernier, T. Devolder, K. Garcia, G. Tallarida, M. Fanciulli, A. Lamperti, B. Ocker, L. Baldi, M. Mariani, and D. Ravelosona
    Physical Review Applied 10, 064053 (2018)
  3. Instant-on spin-torque in non-collinear magnetic tunnel junctions
    O. Bultynck, M. Manfrini, A. Vaysset, J. Swerts, C. J. Wilson, B. Sorée, M. Heyns, D. Mocuta, I. P. Radu, and T. Devolder
    Physical Review Applied, 10, 054028 (2018)
  4. Spin-Wave Emission by Spin-Orbit-Torque Antennas
    G. Talmelli, F. Ciubotaru, K. Garello, X. Sun, M. Heyns, I. P. Radu, C. Adelmann, and T. Devolder
    Physical Review Applied 10, 044060 (2018)
  5. Thermal stability of metastable magnetic skyrmions: Entropic narrowing and significance of internal eigenmodes
    L. Desplat, D. Suess, J.-V. Kim, and R. L. Stamps
    Physical Review B 98, 134407 (2018)
  6. Chain of magnetic tunnel junctions as a spintronic memristor
    E. Raymenants, A. Vaysset, D. Wan, M. Manfrini, O. Zografos, O. Bultynck, J. Doevenspeck, M. Heyns, I. P. Radu, and T. Devolder
    Journal of Applied Physics 124, 152116 (2018)
  7. Nonreciprocal flexural dynamics of Dzyaloshinskii domain walls
    R. Soucaille, F. Garcia-Sanchez, J.-V. Kim, T. Devolder, and J.-P. Adam
    Physical Review B 98, 054426 (2018)
  8. Trochoidal motion and pair generation in skyrmion and antiskyrmion dynamics under spin-orbit torques
    U. Ritzmann, S. von Malottki, J.-V. Kim, S. Heinze, J. Sinova, and B. Dupé
    Nature Electronics 1, 451 (2018)
  9. Skyrmion Gas Manipulation for Probabilistic Computing
    D. Pinna, F. Abreu Araujo, J.-V. Kim, V. Cros, D. Querlioz, P. Bessière, J. Droulez, and J. Grollier
    Physical Review Applied 9, 064018 (2018)
  10. Gilbert damping of high anisotropy Co/Pt multilayers
    T. Devolder, S. Couet, J. Swerts, and G. S. Kar
    Journal of Physics D: Applied Physics 51, 135002 (2018)
  11. Heterogeneous Memristive Devices Enabled by Magnetic Tunnel Junction Nanopillars Surrounded by Resistive Silicon Switches
    Y. Zhang, X. Lin, J.‐P. Adam, G. Agnus, W. Kang, W. Cai, J.‐R. Coudevylle, N. Isac, J. Yang, H. Yang, K. Cao, H. Cui, D. Zhang, Y. Zhang, C. Zhao, W. Zhao, and D. Ravelosona
    Advanced Electronic Materials 4, 1700461 (2018)
  12. Material Developments and Domain Wall-Based Nanosecond-Scale Switching Process in Perpendicularly Magnetized STT-MRAM Cells
    T. Devolder, J.-V. Kim, J. Swerts, W. Kim, S. Couet, G. Kar, A. Furnemont, and V. Nikitin
    IEEE Transactions on Magnetics 54, 3400109 (2018)

2017

  1. Impact of Ta and W-based spacers in double MgO STTMRAM free layers on perpendicular anisotropy and damping
    S. Couet, T. Devolder, J. Swerts, S. Mertens, T. Lin, E. Liu, S. Van Elshocht & G. Sankar Kar
    Applied Physics Letters 111, 152406 (2017)
  2. Electric field controlled domain wall dynamics and magnetic easy axis switching in liquid gated CoFeB/MgO films
    Y. T. Liu, S. Ono, G. Agnus, J.-P. Adam, S. Jaiswal, J. Langer, B. Ocker, D. Ravelosona & L. Herrera Diez
    Journal of Applied Physics 122, 133907 (2017)
  3. Real-space imaging of non-collinear antiferromagnetic order with a single-spin magnetometer
    I. Gross, W. Akhtar, V. Garcia, L. J. Martínez, S. Chouaieb, K. Garcia, C. Carrétéro, A. Barthélémy, P. Appel, P. Maletinsky, J.-V. Kim, J. Y. Chauleau, N. Jaouen, M. Viret, M. Bibes, S. Fusil & V. Jacques
    Nature 549, 252-256 (2017)
  4. Spin Waves on Spin Structures: Topology, Localization, and Nonreciprocity
    R. L. Stamps, J.-V. Kim, F. Garcia-Sanchez, P. Borys, G. Gubbiotti, Y. Li & R. E. Camley, in Spin Wave Confinement II: Propagating Waves, S. O. Demokritov, ed. (Pan Stanford Publishing, 2017), pp. 219-260.
  5. Inversion of the domain wall propagation in synthetic ferrimagnets
    A. Hamadeh, P. Pirro, J.-P. Adam, Y. Lu, M. Hehn, S. Petit-Watelot & S. Mangin
    Applied Physics Letters 111, 022407 (2017)
  6. Using rf voltage induced ferromagnetic resonance to study the spin-wave density of states and the Gilbert damping in perpendicularly magnetized disks
    T. Devolder
    Physical Review B 96, 104413 (2017)
  7. Current-driven skyrmion expulsion from magnetic nanostrips
    M.-Y. Woo, V. Cros, and J.-V. Kim
    Physical Review B 95, 184423 (2017)
  8. Annealing stability of magnetic tunnel junctions based on dual MgO free layers and [Co/Ni] based thin synthetic antiferromagnet reference system
    T. Devolder, S. Couet, J. Swerts, E . Liu, T. Lin, S. Mertens, G. Kar, and A. Furnemont
    Journal of Applied Physics 121, 113904 (2017)
  9. Current-driven skyrmion dynamics in disordered films
    J.-V. Kim and M.-Y. Woo
    Applied Physics Letters 110, 132404 (2017)
  10. Spin transfer and spin-orbit torques in in-plane magnetized (Ga,Mn)As tracks
    L. Thevenard, B. Boutigny, N. Güsken, C. Ulysse, L. Becerra, S. Shihab, A. Lemaître, J.-V. Kim, V. Jeudy & C. Gourdon
    Physical Review B 95, 054422 (2017)
  11. Seed layer impact on structural and magnetic properties of [Co/Ni] multilayers with perpendicular magnetic anisotropy
    E. Liu, J. Swerts, T. Devolder, S. Couet, S. Mertens, T. Lin, V. Spampinato, A. Franquet, T. Conard, S. Van Elshocht, A. Furnemont, J. De Boeck & G. Kar
    Journal of Applied Physics 121, 043905 (2017)
  12. Nanocontact based spin torque oscillators with two free layers
    R. Soucaille, J.-V. Kim, T. Devolder, S. Petit-Watelot, M. Manfrini, W. Van Roy & L. Lagae
    Journal of Physics D: Applied Physics 50, 085002 (2017)

2016

  1. Exchange stiffness in ultrathin perpendicularly magnetized CoFeB layers determined using the spectroscopy of electrically excited spin waves
    T. Devolder, J.-V. Kim, L. Nistor, R. Sousa, B. Rodmacq, and B. Diény
    Journal of Applied Physics 120, 183902 (2016)
  2. Spin Wave Power Flow and Caustics in Ultrathin Ferromagnets with the Dzyaloshinskii-Moriya Interaction
    J.-V. Kim, R. L. Stamps, and R. E. Camley
    Physical Review Letters 117, 197204 (2016)
  3. Ferromagnetic resonance study of composite Co/Ni-FeCoB free layers with perpendicular anisotropy
    T. Devolder, E. Liu, J. Swerts, S. Couet, T. Lin, S. Mertens, A. Furnemont, G. Kar, and J. De Boeck
    Applied Physics Letters 109, 142408 (2016)
  4. Probing the Dzyaloshinskii-Moriya interaction in CoFeB ultrathin films using domain wall creep and Brillouin light spectroscopy
    R. Soucaille, M. Belmeguenai, J. Torrejon, J.-V. Kim, T. Devolder, Y. Roussigné, S.-M. Chérif, A. A. Stashkevich, M. Hayashi, and J.-P. Adam
    Physical Review B 94, 104431 (2016)
  5. Role of spin-transfer torques on synchronization and resonance phenomena in stochastic magnetic oscillators
    A. Accioly, N. Locatelli , A. Mizrahi , D. Querlioz , L. G. Pereira , J. Grollier, and J.-V. Kim
    Journal of Applied Physics 120, 093902 (2016)
  6. Direct measurement of interfacial Dzyaloshinskii-Moriya interaction in X|CoFeB|MgO heterostructures with a scanning-NV magnetometer
    I. Gross, L. J. Martinez, J.-P. Tetienne, T. Hingant, J.-F. Roch, K. Garcia, R. Soucaille, J.-P. Adam, J.-V. Kim, S. Rohart, A. Thiaville, J. Torrejon, M. Hayashi, and V. Jacques
    Physical Review B 94, 064413 (2016)
  7. A skyrmion-based spin-torque nano-oscillator
    F. Garcia-Sanchez, J. Sampaio, N. Reyren, V. Cros, and J.-V. Kim
    New Journal of Physics 18, 075011 (2016)
  8. Spin-wave thermal population as temperature probe in magnetic tunnel junctions,
    A. Le Goff, V. Nikitin, and T. Devolder
    Journal of Applied Physics 120, 023902 (2016)
  9. Ionic-liquid gating of perpendicularly magnetised CoFeB/MgO thin films
    Y. T. Liu, G. Agnus, S. Ono, L. Ranno, A. Bernand-Mantel, R. Soucaille, J.-P. Adam, J. Langer, B. Ocker, D. Ravelosona, and L. Herrera Diez
    Journal of Applied Physics 120, 023901 (2016)
  10. Evolution of perpendicular magnetized tunnel junctions upon annealing
    T. Devolder, S. Couet, J. Swerts & A. Furnemont, Appl. Phys. Lett. 108, 172409 (2016).
  11. All electrical propagating spin wave spectroscopy with broadband wavevector capability
    F. Ciubotaru, T. Devolder, M. Manfrini, C. Adelmann, and I. Radu
    Applied Physics Letters 109, 012403 (2016)
  12. Size dependence of nanosecond-scale spin-torque switching in perpendicularly magnetized tunnel junctions
    T. Devolder, A. Le Goff, and V. Nikitin
    Physical Review B 93 , 224432 (2016)
  13. Spin wave amplification using the spin Hall effect in permalloy/platinum bilayers
    O. Gladii, M. Collet, K. Garcia-Hernandez, C. Cheng, S. Xavier, P. Bortolotti, V. Cros, Y. Henry, J.-V. Kim, A. Anane, and M. Bailleul
    Applied Physics Letters 108 , 202407 (2016)
  14. Ferromagnetic resonance of exchange-coupled perpendicularly magnetized bilayers
    T. Devolder
    Journal of Applied Physics 119, 153905 (2016)
  15. Direct evidence for minority spin gap in the Co2MnSi Heusler compound
    S. Andrieu, A. Neggache, T. Hauet, T. Devolder, A. Hallal, M. Chshiev, A. M. Bataille, P. Le Fèvre, and F. Bertran
    Physical Review B 93, 094417 (2016)
  16. Time-resolved spin-torque switching in MgO-based perpendicularly magnetized tunnel junctions
    T. Devolder, J.-V. Kim, F. Garcia-Sanchez, J. Swerts, W. Kim, S. Couet, G. Kar, and A. Furnemont
    Physical Review B 93, 024420 (2016)
  17. Spin Wave Eigenmodes of Dzyaloshinskii Domain Walls
    P. Borys, F. Garcia-Sanchez, J.-V. Kim, and R. L. Stamps
    Advanced Electronic Materials 2, 1500202 (2016)

2015

  1. Controlling magnetic domain wall motion in the creep regime in He+-irradiated CoFeB/MgO films with perpendicular anisotropy
    L. Herrera Diez, F. García-Sánchez, J.-P. Adam, T. Devolder, S. Eimer, M. S. El Hadri, A. Lamperti, R. Mantovan, B. Ocker, and D. Ravelosona
    Applied Physics Letters 107, 032401 (2015)
  2. Role of nonlinear anisotropic damping in the magnetization dynamics of topological solitons
    J.-V. Kim
    Physical Review B 92, 014418 (2015)
  3. Dynamical influence of vortex-antivortex pairs in magnetic vortex oscillators
    R. M. Otxoa, S. Petit-Watelot, M. Manfrini, I. P. Radu, A. Thean, J.-V. Kim, and T. Devolder
    Journal of Magnetism and Magnetic Materials 394, 292 (2015)
  4. Current-driven asymmetric magnetization switching in perpendicularly magnetized CoFeB/MgO heterostructures
    J. Torrejon, F. Garcia-Sanchez, T. Taniguchi, J. Sinha, S. Mitani, J.-V. Kim, and M. Hayashi
    Physical Review B 91, 214434 (2015)
  5. Narrow Magnonic Waveguides Based on Domain Walls
    F. Garcia-Sanchez, P. Borys, R. Soucaille, J.-P. Adam, R. L. Stamps, and J.-V. Kim
    Physical Review Letters 114, 247206 (2015)
  6. Interfacial Dzyaloshinskii-Moriya interaction in perpendicularly-magnetized Pt/Co/AlOx ultrathin films measured by Brillouin light spectroscopy
    M. Belmeguenai, J.-P. Adam, Y. Roussigné, S. Eimer, T. Devolder, J.-V. Kim, S. M. Cherif, A. Stashkevich, and A. Thiaville
    Physical Review B 91, 180405(R) (2015)
  7. Joint perpendicular anisotropy and strong interlayer exchange coupling in systems with thin vanadium spacers
    T. Devolder, A. Le Goff, S. Eimer, and J.-P. Adam
    Journal of Applied Physics 117, 163911 (2015)
  8. The nature of domain walls in ultrathin ferromagnets revealed by scanning nanomagnetometry

    J.-P. Tetienne, T. Hingant, L. J. Martinez, S. Rohart, A. Thiaville, L. Herrera Diez, K. Garcia, J.-P. Adam, J.-V. Kim, J.-F. Roch, I. M. Miron, G. Gaudin, L. Vila, B. Ocker, D. Ravelosona, and V. Jacques
    Nature Communications 6, 6733 (2015)