Publikationer av Johan Åkerman

Refereegranskade

Artiklar

[1]

S. Jiang et al., "Magnetic droplet soliton pairs," Nature Communications, vol. 15, no. 1, 2024.

[2]

S. Jana et al., "Atom-specific magnon-driven ultrafast spin dynamics in Fe1-xNix alloys," Physical Review B, vol. 107, no. 18, 2023.

[3]

S. Jiang et al., "Field-Free High-Frequency Exchange-Spring Spin-Torque Nano- Oscillators," Nano Letters, vol. 23, no. 4, s. 1159-1166, 2023.

[4]

M. Ahlberg et al., "Freezing and thawing magnetic droplet solitons," Nature Communications, vol. 13, no. 1, 2022.

[5]

K. Ahmadi et al., "Inducing Dzyaloshinskii-Moriya interaction in symmetrical multilayers using post annealing," Scientific Reports, vol. 12, no. 1, 2022.

[6]

S. A. H. Banuazizi et al., "Magnetic force microscopy of an operational spin nano-oscillator," MICROSYSTEMS & NANOENGINEERING, vol. 8, no. 1, 2022.

[7]

M. Zahedinejad et al., "Memristive control of mutual spin Hall nano-oscillator synchronization for neuromorphic computing," Nature Materials, vol. 21, no. 1, s. 81-87, 2022.

[8]

H. Mazraati et al., "Mutual Synchronization of Constriction-Based Spin Hall Nano-Oscillators in Weak In-Plane Magnetic Fields," Physical Review Applied, vol. 18, no. 1, 2022.

[9]

K. Shi et al., "Observation of magnetic droplets in magnetic tunnel junctions," Science China Physics, Mechanics & Astronomy, vol. 65, no. 2, 2022.

[10]

R. Sharma et al., "Enhanced Modulation Bandwidth of a Magnetic Tunnel Junction-Based Spin Torque Nano-Oscillator Under Strong Current Modulation," IEEE Electron Device Letters, vol. 42, no. 12, s. 1886-1889, 2021.

[11]

S. Muralidhar et al., "Femtosecond Laser Pulse Driven Caustic Spin Wave Beams," Physical Review Letters, vol. 126, no. 3, 2021.

[12]

G. Cao et al., "Femtosecond laser driven precessing magnetic gratings," Nanoscale, vol. 13, no. 6, s. 3746-3756, 2021.

[13]

A. J. Eklund et al., "Impact of intragrain spin wave reflections on nanocontact spin torque oscillators," Physical Review B, vol. 103, no. 21, 2021.

[14]

M. Haidar, S. Isber och J. Åkerman, "Measuring spin wave resonance in Ni100-xFex films : compositional and temperature dependence," Journal of Physics D : Applied Physics, vol. 54, no. 44, 2021.

[15]

X. Xing, J. Åkerman och Y. Zhou, "Enhanced skyrmion motion via strip domain wall," Physical Review B, vol. 101, no. 21, 2020.

[16]

H. Fulara et al., "Giant voltage-controlled modulation of spin Hall nano-oscillator damping," Nature Communications, vol. 11, no. 1, 2020.

[17]

Y. Pogoryelov et al., "Nonreciprocal spin pumping damping in asymmetric magnetic trilayers," Physical Review B, vol. 101, no. 5, 2020.

[18]

B. Dieny et al., "Opportunities and challenges for spintronics in the microelectronics industry," NATURE ELECTRONICS, vol. 3, no. 8, s. 446-459, 2020.

[19]

S. Jiang et al., "Reduced spin torque nano-oscillator linewidth using He+ irradiation," Applied Physics Letters, vol. 116, no. 7, 2020.

[20]

C. Zheng et al., "Tuning Magnetic Droplets in Nanocontact Spin-Torque Oscillators Using Electric Fields," Physical Review Applied, vol. 14, no. 5, 2020.

[21]

M. Zahedinejad et al., "Two-dimensional mutually synchronized spin Hall nano-oscillator arrays for neuromorphic computing," Nature Nanotechnology, vol. 15, no. 1, s. 47-52, 2020.

[22]

A. A. Awad et al., "Width dependent auto-oscillating properties of constriction based spin Hall nano-oscillators," Applied Physics Letters, vol. 116, no. 23, 2020.

[23]

M. Haidar et al., "A single layer spin-orbit torque nano-oscillator," Nature Communications, vol. 10, 2019.

[24]

D. I. Albertsson et al., "Compact Macrospin-Based Model of Three-Terminal Spin-Hall Nano Oscillators," IEEE transactions on magnetics, vol. 55, no. 10, 2019.

[25]

T. N. A. Nguyen et al., "Enhanced Perpendicular Exchange Bias in Co/Pd Antidot Arrays," Journal of Electronic Materials, vol. 48, no. 3, s. 1492-1497, 2019.

[26]

S. Jiang et al., "Magnetodynamics in orthogonal nanocontact spin-torque nano-oscillators based on magnetic tunnel junctions," Applied Physics Letters, vol. 115, no. 15, 2019.

[27]

H. Fulara et al., "Spin-orbit torque-driven propagating spin waves," Science Advances, vol. 5, no. 9, 2019.

[28]

E. Burgos-Parra et al., "Time-resolved imaging of magnetization dynamics in double nanocontact spin torque vortex oscillator devices," Physical Review B, vol. 100, no. 13, 2019.

[29]

M. Fazlali et al., "Tuning exchange-dominated spin-waves using lateral current spread in nanocontact spin-torque nano-oscillators," Journal of Magnetism and Magnetic Materials, vol. 492, s. 165503, 2019.

[30]

H. Mazraati et al., "Auto-oscillating Spin-Wave Modes of Constriction-Based Spin Hall Nano-oscillators in Weak In-Plane Fields," Physical Review Applied, vol. 10, no. 5, 2018.

[31]

M. Zahedinejad et al., "CMOS compatible W/CoFeB/MgO spin Hall nano-oscillators with wide frequency tunability," Applied Physics Letters, vol. 112, no. 13, 2018.

[32]

S. Chung et al., "Direct Observation of Zhang-Li Torque Expansion of Magnetic Droplet Solitons," Physical Review Letters, vol. 120, no. 21, 2018.

[33]

T. N. A. Nguyen et al., "Effect of flattened surface morphology of anodized aluminum oxide templates on the magnetic properties of nanoporous Co/Pt and Co/Pd thin multilayered films," Applied Surface Science, vol. 427, s. 649-655, 2018.

[34]

S. Jiang et al., "Impact of the Oersted Field on Droplet Nucleation Boundaries," IEEE Magnetics Letters, vol. 9, 2018.

[35]

H. Mazraati, M. Zahedinejad och J. Åkerman, "Improving the magnetodynamical properties of NiFe/Pt bilayers through Hf dusting," Applied Physics Letters, vol. 113, no. 9, s. 092401, 2018.

[36]

D. Tiwari et al., "Influence of MgO barrier quality on spin-transfer torque in magnetic tunnel junctions," Applied Physics Letters, vol. 112, no. 2, 2018.

[37]

E. Burgos-Parra et al., "Investigation of magnetic droplet solitons using x-ray holography with extended references," Scientific Reports, vol. 8, 2018.

[38]

S. M. Mohseni et al., "Magnetic droplet soliton nucleation in oblique fields," Physical Review B Condensed Matter, vol. 97, no. 184402, 2018.

[39]

Z. Sheykhifard et al., "Magnetic graphene/Ni-nano-crystal hybrid for small field magnetoresistive effect synthesized via electrochemical exfoliation/deposition technique," Journal of materials science. Materials in electronics, vol. 29, no. 5, s. 4171-4178, 2018.

[40]

S. A. H. Banuazizi och J. Åkerman, "Microwave probe stations with throw-dimensional control of the magnetic field to study high-frequency dynamic in nanoscale devices," Review of Scientific Instruments, vol. 89, no. 6, 2018.

[41]

M. Dvornik, A. A. Awad och J. Åkerman, "Origin of Magnetization Auto-Oscillations in Constriction-Based Spin Hall Nano-Oscillators," Physical Review Applied, vol. 9, no. 1, 2018.

[42]

T. M. Spicer et al., "Spatial mapping of torques within a spin Hall nano-oscillator," Physical Review B, vol. 98, no. 21, 2018.

[43]

A. Houshangh et al., "Spin transfer torque driven higher-order propagating spin waves in nano-contact magnetic tunnel junctions," Nature Communications, vol. 9, 2018.

[44]

T. M. Spicer et al., "Time resolved imaging of the non-linear bullet mode within an injection-locked nano-contact spin Hall nano-oscillator," Applied Physics Letters, vol. 113, no. 19, 2018.

[45]

S. Jiang et al., "Tuning the magnetodynamic properties of all-perpendicular spin valves using He+ irradiation," AIP Advances, vol. 8, no. 6, 2018.

[46]

R. Khymyn et al., "Ultra-fast artificial neuron : generation of picosecond-duration spikes in a current-driven antiferromagnetic auto-oscillator," Scientific Reports, vol. 8, 2018.

[47]

O. Sulymenko et al., "Ultra-fast logic devices using artificial "neurons" based on antiferromagnetic pulse generators," Journal of Applied Physics, vol. 124, no. 15, 2018.

[48]

S. Jiang et al., "Using Magnetic Droplet Nucleation to Determine the Spin Torque Efficiency and Asymmetry in Co-x(Ni,Fe)(1-x) Thin Films," Physical Review Applied, vol. 10, no. 5, 2018.

[49]

P. Dürrenfeld et al., "A 20 nm spin Hall nano-oscillator," Nanoscale, vol. 9, no. 3, s. 1285-1291, 2017.

[50]

R. Sharma et al., "A high-speed single sideband generator using a magnetic tunnel junction spin torque nano-oscillator," Scientific Reports, vol. 7, 2017.

[51]

A. F. Franco et al., "Anisotropy constant and exchange coupling strength of perpendicularly magnetized CoFeB/Pd multilayers and exchange springs," Physical Review B, vol. 95, no. 14, 2017.

[52]

D. Tiwari et al., "Antidamping spin-orbit torques in epitaxial-Py(100)/beta-Ta," Applied Physics Letters, vol. 111, no. 23, 2017.

[53]

P. Durrenfeld et al., "Controlled skyrmion nucleation in extended magnetic layers using a nanocontact geometry," Physical Review B, vol. 96, no. 5, 2017.

[54]

M. Zahedinejad et al., "Current Modulation of Nanoconstriction Spin-Hall Nano-Oscillators," IEEE Magnetics Letters, vol. 8, 2017.

[55]

Y. Yin et al., "Ferromagnetic and Spin-Wave Resonance on Heavy-Metal-Doped Permalloy Films : Temperature Effects," IEEE Magnetics Letters, vol. 8, 2017.

[56]

P. S. Keatley et al., "Imaging magnetisation dynamics in nano-contact spin-torque vortex oscillators exhibiting gyrotropic mode splitting," Journal of Physics D : Applied Physics, vol. 50, no. 16, 2017.

[57]

S. Tacchi et al., "Interfacial Dzyaloshinskii-Moriya Interaction in Pt/CoFeB Films : Effect of the Heavy-Metal Thickness," Physical Review Letters, vol. 118, no. 14, 2017.

[58]

A. A. Awad et al., "Long-range mutual synchronization of spin Hall nano-oscillators," Nature Physics, vol. 13, no. 3, s. 292-+, 2017.

[59]

R. Sbiaa et al., "Ni thickness influence on magnetic properties (Co/Ni/Co/Pt) multilayers with perpendicular magnetic anisotropy," Journal of Magnetism and Magnetic Materials, vol. 441, s. 585-589, 2017.

[60]

S. A. H. Banuazizi et al., "Order of magnitude improvement of nano-contact spin torque nano-oscillator performance," Nanoscale, vol. 9, no. 5, s. 1896-1900, 2017.

[61]

D. Xiao et al., "Parametric autoexcitation of magnetic droplet soliton perimeter modes," Physical Review B, vol. 95, no. 2, 2017.

[62]

X. Xing et al., "Paving Spin-Wave Fibers in Magnonic Nanocircuits Using Spin-Orbit Torque," Physical Review Applied, vol. 7, no. 5, 2017.

[63]

C. Wang et al., "Phase-locking of multiple magnetic droplets by a microwave magnetic field," AIP Advances, vol. 7, no. 5, 2017.

[64]

R. Sharma et al., "Time-domain stability of parametric synchronization in a spin-torque nano-oscillator based on a magnetic tunnel junction," Physical Review B, vol. 96, no. 2, 2017.

[65]

C. Banerjee et al., "All-optical study of tunable ultrafast spin dynamics in [Co/Pd]/NiFe systems : the role of spin-twist structure on Gilbert damping," RSC Advances, vol. 6, no. 83, s. 80168-80173, 2016.

[66]

M. Haidar et al., "Controlling Gilbert damping in a YIG film using nonlocal spin currents," Physical Review B, vol. 94, no. 18, 2016.

[67]

P. S. Keatley et al., "Direct observation of magnetization dynamics generated by nanocontact spin-torque vortex oscillators," Physical Review B - Condensed Matter and Materials Physics, vol. 94, no. 6, 2016.

[68]

D. Tiwari et al., "Enhancement of spin-torque diode sensitivity in a magnetic tunnel junction by parametric synchronization," Applied Physics Letters, vol. 108, no. 8, 2016.

[69]

R. Sbiaa et al., "Ferromagnetic resonance measurements of (Co/Ni/Co/Pt) multilayers with perpendicular magnetic anisotropy," Journal of Physics D : Applied Physics, vol. 49, no. 42, 2016.

[70]

H. Mazraati et al., "Free- and reference-layer magnetization modes versus in-plane magnetic field in a magnetic tunnel junction with perpendicular magnetic easy axis," Physical Review B, vol. 94, no. 10, 2016.

[71]

E. O. B. Parra et al., "Holographic Magnetic Imaging of Single-Layer Nanocontact Spin-Transfer Oscillators," IEEE transactions on magnetics, vol. 52, no. 7, 2016.

[72]

M. Fazlali et al., "Homodyne-detected ferromagnetic resonance of in-plane magnetized nanocontacts : Composite spin-wave resonances and their excitation mechanism," PHYSICAL REVIEW B, vol. 93, no. 13, 2016.

[73]

H. Mazraati et al., "Low operational current spin Hall nano-oscillators based on NiFe/W bilayers," Applied Physics Letters, vol. 109, no. 24, 2016.

[74]

P. Durrenfeld et al., "Low-current, narrow-linewidth microwave signal generation in NiMnSb based single-layer nanocontact spin-torque oscillators," Applied Physics Letters, vol. 109, no. 22, 2016.

[75]

S. Chung et al., "Magnetic droplet nucleation boundary in orthogonal spin-torque nano-oscillators," Nature Communications, vol. 7, 2016.

[76]

S. M. Mohseni et al., "Magnetostatically driven domain replication in Ni/Co based perpendicular pseudo-spin-valves," Journal of Physics D : Applied Physics, vol. 49, no. 41, 2016.

[77]

D. Xiao et al., "Merging droplets in double nanocontact spin torque oscillators," Physical Review B, vol. 93, no. 9, 2016.

[78]

M. Balinsky et al., "Modulation of the Spectral Characteristics of a Nano-Contact Spin-Torque Oscillator via Spin Waves in an Adjacent Yttrium-Iron Garnet Film," IEEE Magnetics Letters, vol. 7, 2016.

[79]

T. Chen et al., "Spin-Torque and Spin-Hall Nano-Oscillators," Proceedings of the IEEE, vol. 104, no. 10, s. 1919-1945, 2016.

[80]

A. Houshang et al., "Spin-wave-beam driven synchronization of nanocontact spin-torque oscillators," Nature Nanotechnology, vol. 11, no. 3, s. 280-+, 2016.

[81]

P. S. Keatley et al., "Superharmonic injection locking of nanocontact spin-torque vortex oscillators," Physical Review B, vol. 94, no. 9, 2016.

[82]

A. F. Franco et al., "Variable variance Preisach model for multilayers with perpendicular magnetic anisotropy," PHYSICAL REVIEW B, vol. 94, no. 6, 2016.

[83]

I. Zubritskaya et al., "Active Magnetoplasmonic Ruler," Nano letters (Print), vol. 15, no. 5, s. 3204-3211, 2015.

[84]

M. Moradi et al., "Au/NiFe Magnetoplasmonics : Large Enhancement of Magneto-Optical Kerr Effect for Magnetic Field Sensors and Memories," Electronic Materials Letters, vol. 11, no. 3, s. 440-446, 2015.

[85]

T. Chen et al., "Comprehensive and Macrospin-Based Magnetic Tunnel Junction Spin Torque Oscillator Model-Part I : Analytical Model of the MTJ STO," IEEE Transactions on Electron Devices, vol. 62, no. 3, s. 1037-1044, 2015.

[86]

T. Chen et al., "Comprehensive and Macrospin-Based Magnetic Tunnel Junction Spin Torque Oscillator Model-Part II : Verilog-A Model Implementation," IEEE Transactions on Electron Devices, vol. 62, no. 3, s. 1045-1051, 2015.

[87]

R. Sbiaa, M. Ranjbar och J. Åkerman, "Domain structures and magnetization reversal in Co/Pd and CoFeB/Pd multilayers," Journal of Applied Physics, vol. 117, no. 17, 2015.

[88]

Y. Zhou et al., "Dynamically stabilized magnetic skyrmions," Nature Communications, vol. 6, 2015.

[89]

C. Morrison et al., "Exchange coupling in hybrid anisotropy magnetic multilayers quantified by vector magnetometry," Journal of Applied Physics, vol. 117, no. 17, 2015.

[90]

Y. Wei et al., "Exponentially decaying magnetic coupling in sputtered thin film FeNi/Cu/FeCo trilayers," Applied Physics Letters, vol. 106, no. 4, 2015.

[91]

T. Chen et al., "Integration of GMR-based spin torque oscillators and CMOS circuitry," Solid-State Electronics, vol. 111, s. 91-99, 2015.

[92]

S. Chung et al., "Magnetic droplet solitons in orthogonal spin valves," Low temperature physics (Woodbury, N.Y., Print), vol. 41, no. 10, s. 833-837, 2015.

[93]

S. Chung et al., "Magnetic droplet solitons in orthogonal spin valves," Fizika Nizkih Temperatur, vol. 41, no. 10, s. 1063-1068, 2015.

[94]

L. Tryputen et al., "Magnetic structure and anisotropy of [Co/Pd](5)/NiFe multilayers," Physical Review B. Condensed Matter and Materials Physics, vol. 91, no. 1, s. 014407, 2015.

[95]

E. Iacocca et al., "Mode-coupling mechanisms in nanocontact spin-torque oscillators," Physical Review B. Condensed Matter and Materials Physics, vol. 91, no. 10, 2015.

[96]

R. Sharma et al., "Modulation Rate Study in a Spin-Torque Oscillator-Based Wireless Communication System," IEEE transactions on magnetics, vol. 51, no. 11, 2015.

[97]

F. Qejvanaj et al., "Planar Hall-Effect Bridge Sensor With NiFeX (X = Cu, Ag, and Au) Sensing Layer," IEEE transactions on magnetics, vol. 51, no. 11, 2015.

[98]

M. Madami et al., "Propagating spin waves excited by spin-transfer torque : A combined electrical and optical study," Physical Review B. Condensed Matter and Materials Physics, vol. 92, no. 2, 2015.

[99]

S. Mukherjee et al., "Role of boron diffusion in CoFeB/MgO magnetic tunnel junctions," Physical Review B. Condensed Matter and Materials Physics, vol. 91, no. 8, 2015.

[100]

P. Dürrenfeld et al., "Spin Hall effect-controlled magnetization dynamics in NiMnSb," Journal of Applied Physics, vol. 117, no. 17, 2015.

[101]

M. Balinsky et al., "Spin Pumping and the Inverse Spin-Hall Effect via Magnetostatic Surface Spin-Wave Modes in Yttrium-Iron Garnet/Platinum Bilayers," IEEE Magnetics Letters, vol. 6, no. 3000604, 2015.

[102]

R. Sbiaa et al., "Temperature effect on exchange coupling and magnetization reversal in antiferromagnetically coupled (Co/Pd) multilayers," Journal of Applied Physics, vol. 118, no. 6, 2015.

[103]

M. Haidar et al., "Thickness- and temperature-dependent magnetodynamic properties of yttrium iron garnet thin films," Journal of Applied Physics, vol. 117, no. 17, 2015.

[104]

P. Durrenfeld et al., "Tunable damping, saturation magnetization, and exchange stiffness of half-Heusler NiMnSb thin films," Physical Review B. Condensed Matter and Materials Physics, vol. 92, no. 21, 2015.

[105]

Y. Yin et al., "Tunable permalloy-based films for magnonic devices," Physical Review B. Condensed Matter and Materials Physics, vol. 92, no. 2, 2015.

[106]

N. Maccaferri et al., "Ultrasensitive and label-free molecular-level detection enabled by light phase control in magnetoplasmonic nanoantennas," Nature Communications, vol. 6, 2015.

[107]

T. Chen et al., "A highly tunable microwave oscillator based on MTJ STO technology," Microwave and optical technology letters (Print), vol. 56, no. 9, s. 2092-2095, 2014.

[108]

R. K. Dumas et al., "Accessing different spin-disordered states using first-order reversal curves," Physical Review B. Condensed Matter and Materials Physics, vol. 90, no. 10, s. 104410, 2014.

[109]

M. Ranjbar et al., "CoFeB-Based Spin Hall Nano-Oscillators," IEEE Magnetics Letters, vol. 5, s. 3000504, 2014.

[110]

E. Iacocca et al., "Confined Dissipative Droplet Solitons in Spin-Valve Nanowires with Perpendicular Magnetic Anisotropy," Physical Review Letters, vol. 112, no. 4, s. 047201, 2014.

[111]

A. Eklund et al., "Dependence of the colored frequency noise in spin torque oscillators on current and magnetic field," Applied Physics Letters, vol. 104, no. 9, s. 092405, 2014.

[112]

T. N. A. Nguyen et al., "Depth-Dependent Magnetization Profiles of Hybrid Exchange Springs," PHYS REV APPL, vol. 2, no. 4, s. 044014, 2014.

[113]

A. Houshang et al., "Effect of Excitation Fatigue on the Synchronization of Multiple Nanocontact Spin-Torque Oscillators," IEEE Magnetics Letters, vol. 5, s. 3000404, 2014.

[114]

N. Najmoddin et al., "Effect of nanoconfinement on the formation, structural transition and magnetic behavior of mesoporous copper ferrite," Journal of Alloys and Compounds, vol. 598, s. 191-197, 2014.

[115]

N. Maccaferri et al., "Effects of a non-absorbing substrate on the magneto-optical Kerr response of plasmonic ferromagnetic nanodisks," Physica Status Solidi (a) applications and materials science, vol. 211, no. 5, s. 1067-1075, 2014.

[116]

E. Iacocca et al., "Generation linewidth of mode-hopping spin torque oscillators," Physical Review B. Condensed Matter and Materials Physics, vol. 89, no. 5, s. 054402, 2014.

[117]

V. Puliafito et al., "Hysteretic Synchronization in Spin-Torque Nanocontact Oscillators : A Micromagnetic Study," IEEE transactions on nanotechnology, vol. 13, no. 3, s. 532-536, 2014.

[118]

T. N. A. Nguyen et al., "Investigation of the Tunability of the Spin Configuration Inside Exchange Coupled Springs of Hard/Soft Magnets," IEEE transactions on magnetics, vol. 50, no. 6, s. 2004906, 2014.

[119]

T. Zeng et al., "Linear Phase Tuning of Spin Torque Oscillators Using In-Plane Microwave Fields," IEEE transactions on magnetics, vol. 50, no. 1, s. 1400104, 2014.

[120]

S. M. Mohseni et al., "Magnetic droplet solitons in orthogonal nano-contact spin torque oscillators," Physica. B, Condensed matter, vol. 435, s. 84-87, 2014.

[121]

N. Najmoddin et al., "Magnetic properties of crystalline mesoporous Zn-substituted copper ferrite synthesized under nanoconfinement in silica matrix," Microporous and Mesoporous Materials, vol. 190, s. 346-355, 2014.

[122]

K. Lodewijks et al., "Magnetoplasmonic Design Rules for Active Magneto-Optics," Nano letters (Print), vol. 14, no. 12, s. 7207-7214, 2014.

[123]

R. Sharma et al., "Mode-hopping mechanism generating colored noise in a magnetic tunnel junction based spin torque oscillator," Applied Physics Letters, vol. 105, no. 13, s. 132404, 2014.

[124]

P. Dürrenfeld et al., "Modulation-mediated unlocking of a parametrically phase-locked spin torque oscillator," Applied Physics Letters, vol. 105, no. 25, s. 252404, 2014.

[125]

S. Kamali et al., "Oxidation states and quality of upper interfaces in magnetic tunnel junctions : oxygen effect on crystallization of interfaces," Journal of Physics : Condensed Matter, vol. 26, no. 2, s. 026004, 2014.

[126]

P. Durrenfeld et al., "Parametric excitation in a magnetic tunnel junction-based spin torque oscillator," Applied Physics Letters, vol. 104, no. 5, s. 052410, 2014.

[127]

R. K. Dumas et al., "Recent Advances in Nanocontact Spin-Torque Oscillators," IEEE transactions on magnetics, vol. 50, no. 6, s. 4100107, 2014.

[128]

M. Ranjbar et al., "Spin reorientation via antiferromagnetic coupling," Journal of Applied Physics, vol. 115, no. 17, s. 4852076, 2014.

[129]

S. Chung et al., "Spin transfer torque generated magnetic droplet solitons (invited)," Journal of Applied Physics, vol. 115, no. 17, s. 172612, 2014.

[130]

R. L. Stamps et al., "The 2014 Magnetism Roadmap," Journal of Physics D : Applied Physics, vol. 47, no. 33, s. 333001, 2014.

[131]

F. Qejvanaj et al., "Thick Double-Biased IrMn/NiFe/IrMn Planar Hall Effect Bridge Sensors," IEEE transactions on magnetics, vol. 50, no. 11, 2014.

[132]

N. Najmoddin et al., "XRD cation distribution and magnetic properties of mesoporous Zn-substituted CuFe2O4," Ceramics International, vol. 40, no. 2, s. 3619-3625, 2014.

[133]

S. Tacchi et al., "[Co/Pd]-CoFeB exchange spring magnets with tunable gap of spin wave excitations," Journal of Physics D : Applied Physics, vol. 47, no. 49, s. 495004, 2014.

[134]

Y. Fang et al., "A Nonvolatile Spintronic Memory Element with a Continuum of Resistance States," Advanced Functional Materials, vol. 23, no. 15, s. 1919-1922, 2013.

[135]

O. G. Heinonen et al., "Decoherence, Mode Hopping, and Mode Coupling in Spin Torque Oscillators," IEEE transactions on magnetics, vol. 49, no. 7, s. 4398-4404, 2013.

[136]

S. Redjai Sani et al., "Microwave Signal Generation in Single-Layer Nano-Contact Spin Torque Oscillators," IEEE transactions on magnetics, vol. 49, no. 7, s. 4331-4334, 2013.

[137]

S. Redjai Sani et al., "Mutually synchronized bottom-up multi-nanocontact spin-torque oscillators," Nature Communications, vol. 4, s. 2731, 2013.

[138]

G. Consolo et al., "Non-stationary excitation of two localized spin-wave modes in a nano-contact spin torque oscillator," Journal of Applied Physics, vol. 114, no. 15, s. 153906, 2013.

[139]

S. Kamali et al., "Oxidation states and the quality of lower interfaces in magnetic tunnel junctions : oxygen effect on crystallization of interfaces," Journal of Physics : Condensed Matter, vol. 25, no. 13, s. 135302, 2013.

[140]

N. Maccaferri et al., "Polarizability and magnetoplasmonic properties of magnetic general nanoellipsoids," Optics Express, vol. 21, no. 8, s. 9875-9889, 2013.

[141]

E. Iacocca och J. Åkerman, "Resonant excitation of injection-locked spin-torque oscillators," Physical Review B. Condensed Matter and Materials Physics, vol. 87, no. 21, s. 214428, 2013.

[142]

J. E. Davies et al., "Reversal mode instability and magnetoresistance in perpendicular (Co/Pd)/Cu/(Co/Ni) pseudo-spin-valves," Applied Physics Letters, vol. 103, no. 2, s. 022409, 2013.

[143]

S. M. Mohseni et al., "Spin Torque-Generated Magnetic Droplet Solitons," Science, vol. 339, no. 6125, s. 1295-1298, 2013.

[144]

S. Tacchi et al., "Spin wave excitations in exchange-coupled [Co/Pd]-NiFe films with tunable tilting of the magnetization," Physical Review B. Condensed Matter and Materials Physics, vol. 87, no. 14, s. 144426, 2013.

[145]

R. K. Dumas et al., "Spin-Wave-Mode Coexistence on the Nanoscale : A Consequence of the Oersted-Field-Induced Asymmetric Energy Landscape," Physical Review Letters, vol. 110, no. 25, s. 257202, 2013.

[146]

S. Chung et al., "Tunable spin configuration in [Co/Ni]-NiFe spring magnets," Journal of Physics D : Applied Physics, vol. 46, no. 12, s. 125004, 2013.

[147]

N. Maccaferri et al., "Tuning the Magneto-Optical Response of Nanosize Ferromagnetic Ni Disks Using the Phase of Localized Plasmons," Physical Review Letters, vol. 111, no. 16, s. 167401, 2013.

[148]

E. Iacocca och J. Åkerman, "Analytical investigation of modulated spin-torque oscillators in the framework of coupled differential equations with variable coefficients," Physical Review B. Condensed Matter and Materials Physics, vol. 85, no. 18, s. 184420, 2012.

[149]

Y. Pogoryelov, P. K. Muduli och J. Åkerman, "Combined wide-narrow double modulation of spin-torque oscillators for improved linewidth during communication," IEEE transactions on magnetics, vol. 48, no. 11, s. 4077-4080, 2012.

[150]

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J. Persson, Y. Zhou och J. Åkerman, "Phase-locked spin torque oscillators : Impact of device variability and time delay," Journal of Applied Physics, vol. 101, no. 9, s. 09A503, 2007.

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J. Åkerman et al., "Intrinsic reliability of AlOx-based magnetic tunnel junctions," IEEE transactions on magnetics, vol. 42, no. 10, s. 2661-2663, 2006.

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M. I. Montero et al., "Flux pinning by regular nanostructures in Nb thin films : Magnetic vs. structural effects," Europhysics letters, vol. 63, no. 1, s. 118-124, 2003.

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J. Åkerman och K. V. Rao, "Collective dynamics of a highly dilute vortex lattice in YBa2Cu3O7-delta thin films," Physical Review B. Condensed Matter and Materials Physics, vol. 65, no. 13, 2002.

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J. Åkerman et al., "Criteria for ferromagnetic-insulator-ferromagnetic tunneling," Journal of Magnetism and Magnetic Materials, vol. 240, no. 03-jan, s. 86-91, 2002.

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J. Åkerman och K. V. Rao, "Dynamics of dilute vortices in various high-T-C thin films," Journal of Applied Physics, vol. 91, no. 10, s. 7137-7139, 2002.

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J. Åkerman och K. V. Rao, "Low-field vortex dynamics in various high-T-c thin films," Pramana (Bangalore), vol. 58, no. 06-maj, s. 985-993, 2002.

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X. Batlle et al., "Quantitative x-ray photoelectron spectroscopy study of Al/AlOx bilayers," Journal of Applied Physics, vol. 91, no. 12, s. 10163-10168, 2002.

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J. Åkerman et al., "Upper bound for the magnetic proximity effect extracted from Brillouin light scattering," Physical Review B. Condensed Matter and Materials Physics, vol. 65, no. 10, 2002.

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J. Åkerman et al., "Re-entrant behavior of low-field flux creep in c-axis-oriented HgBa2CaCu2O6+delta thin films," Physical Review B Condensed Matter, vol. 6418, no. 18, 2001.

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J. Åkerman et al., "Tunneling criteria for magnetic-insulator-magnetic structures," Applied Physics Letters, vol. 79, no. 19, s. 3104-3106, 2001.

Konferensbidrag

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S. Banuazizi et al., "Order of magnitude improvement of nano-contact spin torque nano-oscillator performance," i 2017 IEEE International Magnetics Conference, INTERMAG 2017, 2017.

[220]

P. S. Keatley et al., "Magneto-optical observation of mutual phase-locking in a pair of spin-torque vortex oscillators," i 2015 IEEE International Magnetics Conference, INTERMAG 2015, 2015.

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T. Chen et al., "An Inductorless Wideband Balun-LNA for Spin Torque Oscillator-based Field Sensing," i Electronics, Circuits and Systems (ICECS), 2014 21st IEEE International Conference on, 2014, s. 36-39.

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C. Zha et al., "Exchange-bias-like effect in L1(0) (111) FePt based pseudo spin valves," i INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009), 2010, s. UNSP 072110.

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Y. Fang et al., "FORC studies of exchange biased NiFe in L1(0)(111) FePt-based spin valve," i INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009), 2010, s. 072002.

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Y. Pogoryelov och J. Åkerman, "Manifestation of Spin-Hall Effect in Multilayered M/N/M Film Structures," i INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009), 2010, s. UNSP 052023.

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P. Muduli et al., "Modulation of single and double spin torque oscillators," i INTERNATIONAL CONFERENCE ON MAGNETIC MATERIALS (ICMM-2010), 2010, s. 318-321.

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C. Zha och J. Åkerman, "Pseudo spin valves based on L1(0) (111)-oriented FePt and FePtCu fixed layer with tilted anisotropy," i INTERNATIONAL CONFERENCE ON MAGNETISM (ICM 2009), 2010, s. UNSP 052036.

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Y. Zhou, J. Persson och J. Åkerman, "Impact of Magnetoresistance and Anisotropy on Synchronized Spin Torque Oscillators," i 2007 7th IEEE Conference On Nanotechnology, Vol 1-3, 2007, s. 233-236.

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Y. Zhou, J. Persson och J. Åkerman, "Tunable Intrinsic Phase Shift Between a Spin Torque Nano-Oscillator and an AC Current," i 2007 7th IEEE Conference On Nanotechnology, Vol 1-3, 2007, s. 229-232.

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J. Åkerman et al., "Intrinsic reliability of AlOx-based magnetic tunnel junctions," i INTERMAG 2006 - IEEE International Magnetics Conference; San Diego, CA; United States; 8 May 2006 through 12 May 2006, 2006.

Kapitel i böcker

[233]

J. Åkerman, "Spin Transfer Torque Driven Magnetodynamical Solitons," i Topology in Magnetism, : Springer Science and Business Media Deutschland GmbH, 2018, s. 335-356.

[234]

S. Bonetti och J. Åkerman, "Nano-Contact Spin-Torque Oscillators as Magnonic Building Blocks," i Magnonics : From Fundamentals to Applications, : Springer Berlin/Heidelberg, 2013, s. 177-187.

Icke refereegranskade

Artiklar

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S. Roche et al., "Graphene spintronics : the European Flagship perspective," Current Opinion in Chemical Engineering, vol. 2, no. 3, 2015.

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R. Sharma et al., "Modulation rate study in spin torque oscillator based wireless communication system," 2015 IEEE MAGNETICS CONFERENCE (INTERMAG), 2015.

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F. Qejvanaj et al., "Planar Hall Effect Bridge sensor with NiFeX (X = Cu, Ag and Au) sensing layer.," i IEEE International Magnetics Conference (Intermag), MAY 11-15, 2015, Beijing, PEOPLES R CHINA, 2015.