Spin-lattice relaxation beyond Gilbert damping
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2018.08.034
Abstract: Abstract A combined dynamics for the spin and lattice degrees of freedom is proposed. For that we couple a Heisenberg spin Hamiltonian via a distance dependent exchange integral and an anisotropic correction to the lattice,… read more here.
Keywords: gilbert damping; lattice; relaxation beyond; lattice relaxation ... See more keywords
Emergence of anisotropic Gilbert damping in ultrathin Fe layers on GaAs(001)
Sign Up to like & getrecommendations! Published in 2018 at "Nature Physics"
DOI: 10.1038/s41567-018-0053-8
Abstract: As a fundamental parameter in magnetism, the phenomenological Gilbert damping constant α determines the performance of many spintronic devices. For most magnetic materials, α is treated as an isotropic parameter entering the Landau–Lifshitz–Gilbert equation. However,… read more here.
Keywords: gilbert damping; emergence anisotropic; anisotropic; gaas 001 ... See more keywords
Strain-induced perpendicular magnetic anisotropy and Gilbert damping of Tm3Fe5O12 thin films
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-53255-6
Abstract: In the attempt of implementing iron garnets with perpendicular magnetic anisotropy (PMA) in spintronics, the attention turned towards strain-grown iron garnets. One candidate is Tm3Fe5O12 (TmIG) which possesses an out-of-plane magnetic easy axis when grown… read more here.
Keywords: gilbert damping; tm3fe5o12; perpendicular magnetic; strain induced ... See more keywords
Annealing effect of sputter-grown Pt/Ni80Fe20/Pt sandwich trilayer films on Gilbert damping
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0028765
Abstract: The annealing effect of Pt/Permalloy(Py: Ni80Fe20)/Pt sandwich trilayer films on Gilbert damping was investigated through ferromagnetic resonance, x-ray diffraction (XRD), and transmission electron microscopy (TEM) measurements. We estimated the variation of the effective Gilbert damping… read more here.
Keywords: gilbert damping; annealing effect; sandwich trilayer; effect ... See more keywords
Concomitant modulation of interlayer exchange coupling and Gilbert damping in Fe/CoO with spin conductor Ag layer at interface
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0146385
Abstract: We report on the modulation of interlayer exchange coupling (IEC) between the ferromagnet (FM) Fe and insulating antiferromagnet (AFM) CoO and its impact on the Gilbert damping by a time-resolved magneto-optical Kerr effect technique. By… read more here.
Keywords: gilbert damping; spin conductor; exchange coupling; spin ... See more keywords
Investigation of ultrafast demagnetization and Gilbert damping and their correlation in different ferromagnetic thin films grown under identical conditions
Sign Up to like & getrecommendations! Published in 2023 at "Nanotechnology"
DOI: 10.1088/1361-6528/acc079
Abstract: Following the demonstration of laser-induced ultrafast demagnetization in ferromagnetic nickel, several theoretical and phenomenological propositions have sought to uncover its underlying physics. In this work we revisit the three temperature model (3TM) and the microscopic… read more here.
Keywords: gilbert damping; demagnetization gilbert; thin films; demagnetization ... See more keywords
Gilbert damping in the layered antiferromagnet CrCl3
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac11cc
Abstract: We theoretically and experimentally studied the Gilbert damping evolution of both acoustic and optical magnetic resonance modes in the layered flake CrCl3 with an external magnetic field H applied in plane. Based on a Lagrangian… read more here.
Keywords: gilbert damping; damping evolution; layered antiferromagnet; damping layered ... See more keywords
Strongly Enhanced Gilbert Damping in 3 d Transition-Metal Ferromagnet Monolayers in Contact with the Topological Insulator Bi2Se3
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.11.054032
Abstract: Gilbert damping is of great importance for ultrahigh-speed spintronic devices, as it determines the magnetization dynamics of a ferromagnet. However, $a\phantom{\rule{0}{0ex}}b$ $i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o$ determination of Gilbert damping is challenging, due to the many different mechanisms behind… read more here.
Keywords: topological insulator; gilbert damping; phantom rule; rule 0ex ... See more keywords
Giant anisotropy of Gilbert damping in a Rashba honeycomb antiferromagnet
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.104403
Abstract: Giant Gilbert damping anisotropy is identified as a signature of strong Rashba spin-orbit coupling in a two-dimensional antiferromagnet on a honeycomb lattice. The phenomenon originates in spin-orbit induced splitting of conduction electron subbands that strongly… read more here.
Keywords: gilbert damping; anisotropy; rashba; giant ... See more keywords
Giant anisotropic Gilbert damping versus isotropic ultrafast demagnetization in monocrystalline Co50Fe50 films
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.024404
Abstract: The magnetization orientation dependence of Gilbert damping and ultrafast demagnetization were investigated in single-crystalline ${\mathrm{Co}}_{50}{\mathrm{Fe}}_{50}$ films grown on a MgO(100) substrate by the time-resolved magneto-optical Kerr effect technique. The intrinsic Gilbert damping coefficient extracted from… read more here.
Keywords: gilbert damping; ultrafast demagnetization; anisotropic gilbert; gilbert ... See more keywords
Interfacial Tuning of Anisotropic Gilbert Damping.
Sign Up to like & getrecommendations! Published in 2023 at "Physical review letters"
DOI: 10.1103/physrevlett.130.046704
Abstract: Tuning of the anisotropic Gilbert damping Δα has been realized in ultrathin single-crystalline Fe films grown on GaAs (001). A nonmonotonic dependence of Δα on film thickness t is observed upon varying t about 10 ML… read more here.
Keywords: gilbert damping; anisotropic; tuning anisotropic; anisotropic gilbert ... See more keywords