Publications

2020

  1. 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].
  2. Path sampling for collapse rates of metastable magnetic skyrmions and direct comparison with transition state theory
    L. Desplat, C. Vogler, J.-V. Kim, R.L. Stamps, and D. Suess, arXiv:1905.04110 [cond-mat.mes-hall].
  3. 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, arXiv:1909.08587 [cond-mat.mes-hall]; to appear in Nature Communications.
  4. Backward volume vs Damon–Eshbach: A traveling spin wave spectroscopy comparison
    U. K. Bhaskar, G. Talmelli, F. Ciubotaru, C. Adelmann, and T. Devolder, J. Appl. Phys. 127, 033902 (2020).
  5. 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, J. Phys. D: Appl. Phys. 53, 075001 (2020).
  6. 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, Phys. Rev. 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 & J.-V. Kim, Phys. Rev. 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 & J.-V. Kim, Phys. Rev. Lett. 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 & G. S. Kar, IEEE Magn. Lett. 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 & F. Maroun, Appl. Phys. Lett. 115, 032402 (2019).
  5. Offset fields in perpendicularly magnetized tunnel junctions
    T. Devolder, R. Carpenter, S. Rao, W. Kim, S. Couet, J. Swerts & G. S. Kar, J. Phys. D: Appl. Phys. 52, 274001 (2019).
  6. Unidirectional spin-wave channeling along magnetic domain walls of Bloch type
    Y. Henry, D. Stoeffler, J.-V. Kim & M. Bailleul, Phys. Rev. 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 & J.-V Kim, Appl. Phys. Lett. 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 & R. L. Stamps, Phys. Rev. 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 & C. H. Marrows, Phys. Rev. B 99, 094409 (2019).

2018

  1. Size dependence of spin-torque switching in perpendicular magnetic tunnel junctions
    P. Bouquin, S. Rao, G. S. Kar & T. Devolder, Appl. Phys. Lett. 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 & D. Ravelosona, Phys. Rev. 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 & T. Devolder, Phys. Rev. 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 & T. Devolder, Phys. Rev. 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 & R. L. Stamps, Phys. Rev. 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 & T. Devolder, J. Appl. Phys. 124, 152116 (2018).
  7. Nonreciprocal flexural dynamics of Dzyaloshinskii domain walls
    R. Soucaille, F. Garcia-Sanchez, J.-V. Kim, T. Devolder & J.-P. Adam, Phys. Rev. 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 & B. Dupé, Nat. Electron. 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 & J. Grollier, Phys. Rev. Applied 9, 064018 (2018).
  10. Gilbert damping of high anisotropy Co/Pt multilayers
    T. Devolder, S. Couet, J. Swerts & G. S. Kar, J. Phys. D:Appl. Phys. 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 & D. Ravelosona, Adv. Electron. Mater. 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 & V. Nikitin,  IEEE Trans. Magn. 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, Appl. Phys . Lett. 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, J. Appl. Phys. 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, Appl. Phys. Lett. 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, Phys. Rev. B, 96, 104413 (2017), ArXiv:1703.07310.
  7. Current-driven skyrmion expulsion from magnetic nanostrips
    M.-Y. Woo, V. Cros & J.-V. Kim, Phys. Rev. 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,  J. Appl. Phys. 121, 113904 (2017).
  9. Current-driven skyrmion dynamics in disordered films
    J.-V. Kim & M.-Y. Woo, Appl. Phys. Lett. 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, Phys. Rev. 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, J. Appl. Phys. 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, J. Phys. D: Appl. Phys. 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 & B. Diény, J. Appl. Phys. 120, 183902 (2016).
  2. Spin Wave Power Flow and Caustics in Ultrathin Ferromagnets with the Dzyaloshinskii-Moriya Interaction
    J.-V. Kim, R. L. Stamps & R. E. Camley, Phys. Rev. Lett. 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 & J. De Boeck, Appl. Phys. Lett. 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 & J.-P. Adam, Phys. Rev. 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 & J.-V. Kim, J. Appl. Phys. 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 & V. Jacques, Phys. Rev. B 94, 064413 (2016).
  7. A skyrmion-based spin-torque nano-oscillator
    F. Garcia-Sanchez, J. Sampaio, N. Reyren, V. Cros & J.-V. Kim, New J. Phys. 18, 075011 (2016).
  8. Spin-wave thermal population as temperature probe in magnetic tunnel junctions,
    A. Le Goff, V. Nikitin & T. Devolder, J. Appl. Phys. 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 & L. Herrera Diez, J. Appl. Phys. 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 & I. Radu, Appl. Phys. Lett. 109, 012403 (2016).
  12. Size dependence of nanosecond-scale spin-torque switching in perpendicularly magnetized tunnel junctions
    T. Devolder, A. Le Goff & V. Nikitin, Phys. Rev. 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 & M. Bailleul, Appl. Phys. Lett. 108 , 202407 (2016).
  14. Ferromagnetic resonance of exchange-coupled perpendicularly magnetized bilayers
    T. Devolder, J. Appl. Phys. 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 & F. Bertran, Phys. Rev. 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 & A. Furnemont, Phys. Rev. B. 93, 024420 (2016).
  17. Spin Wave Eigenmodes of Dzyaloshinskii Domain Walls
    P. Borys, F. Garcia-Sanchez, J.-V. Kim & R. L. Stamps, Adv. Electron. Mater. 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 & D. Ravelosona, Appl. Phys. Lett. 107, 032401 (2015).
  2. Role of nonlinear anisotropic damping in the magnetization dynamics of topological solitons
    J.-V. Kim, Phys. Rev. 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, Joo-Von Kim & T. Devolder, J. Magn. Magn. Mater. 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 & Masamitsu Hayashi, Phys. Rev. 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 & J.-V. Kim, Phys. Rev. Lett. 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 & A. Thiaville, Phys. Rev. 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 & J.-P. Adam, J. Appl. Phys. 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 & V. Jacques, Nat. Commun. 6, 6733 (2015).