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Related papers: Magnon transport in $\mathrm{\mathbf{Y_3Fe_5O_{12}…

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Applications based on spin currents strongly profit from the control and reduction of their effective damping and their transport properties. We here experimentally observe magnon mediated transport of spin (angular) momentum through a 13.4…

Magnon transport through a magnetic insulator can be controlled by current-biased heavy-metal gates that modulate the magnon conductivity via the magnon density. Here, we report nonlinear modulation effects in 10$\,$nm thick yttrium iron…

Mesoscale and Nanoscale Physics · Physics 2021-06-23 J. Liu , X-Y. Wei , G. E. W. Bauer , J. Ben Youssef , B. J. van Wees

We report a study on spin conductance in ultra-thin films of Yttrium Iron Garnet (YIG), where spin transport is provided by propagating spin waves, that are generated and detected by direct and inverse spin Hall effects in two Pt wires…

Diffusive propagation of spin waves and their quanta - magnons - in the archetypal magnetic insulator yttrium iron garnet (YIG) is under a surge of research for low-power and low-loss data communication. However, operation under external…

Mesoscale and Nanoscale Physics · Physics 2024-11-22 Hossein Taghinejad , Kohtaro Yamakawa , Xiaoxi Huang , Yuanqi Lyu , Luke P. Cairns , Ramamoorthy Ramesh , James G. Analytis

Conductivities are key material parameters that govern various types of transport (electronic charge, spin, heat etc.) driven by thermodynamic forces. Magnons, the elementary excitations of the magnetic order, flow under the gradient of a…

Mesoscale and Nanoscale Physics · Physics 2022-09-23 X-Y. Wei , O. Alves Santos , C. H. Sumba Lusero , G. E. W. Bauer , J. Ben Youssef , B. J. van Wees

This review provides a comprehensive study of the nonlinear transport properties of magnons, which are electrically emitted or absorbed inside extended YIG films by spin transfer effects via a YIG$\vert$Pt interface. Our purpose is to…

Spin information carried by magnons is attractive for computing technology and the development of magnon-based computing circuits is of great interest. However, magnon transport in insulators has been challenging, different from the clear…

Materials Science · Physics 2017-03-08 X. J. Zhou , G. Y. Shi , J. H. Han , Q. H. Yang , Y. H. Rao , H. W. Zhang , L. L. Lang , S. M. Zhou , F. Pan , C. Song

We investigated the effect of an external magnetic field on the diffusive spin transport by magnons in the magnetic insulator yttrium iron garnet (YIG), using a non-local magnon transport measurement geometry. We observed a decrease in…

Mesoscale and Nanoscale Physics · Physics 2016-01-27 L. J. Cornelissen , B. J. van Wees

Spin transport via magnon diffusion in magnetic insulators is important for a broad range of spin-based phenomena and devices. However, the absence of the magnon equivalent of an electric force is a bottleneck. In this work, we demonstrate…

As a thin layer of palladium (Pd) is directly deposited on an yttrium iron garnet or YIG (Y3Fe5O12) magnetic insulator film, Pd develops both low- and high-field magneto-transport effects that are absent in standalone Pd or thick Pd on YIG.…

Materials Science · Physics 2015-06-17 Tao Lin , Chi Tang , Jing Shi

All-electrical generation and detection of pure spin currents is a promising way towards controlling the diffusive magnon transport in magnetically ordered insulators. We quantitatively compare two measurement schemes, which allow to…

Mesoscale and Nanoscale Physics · Physics 2021-08-10 Janine Gückelhorn , Tobias Wimmer , Stephan Geprägs , Hans Huebl , Rudolf Gross , Matthias Althammer

Recent experiments observe the spin-wave-Meissner-current modes in ferromagnetic insulator-superconductor heterostructures, in which the coherently excited spin waves seemingly do not decay as usual beneath the superconductor strip [Borst…

Mesoscale and Nanoscale Physics · Physics 2024-06-17 Xi-Han Zhou , Xiyin Ye , Lihui Bai , Tao Yu

The spin Hall effect in a heavy metal thin film allows to probe the magnetic properties of an adjacent magnetic insulator via magnetotransport measurements. Here, we investigate the magnetoresistive response of yttrium iron garnet/platinum…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Richard Schlitz , Sergey Granovsky , Sebastian T. B. Goennenwein

We develop a linear-response transport theory of diffusive spin and heat transport by magnons in magnetic insulators with metallic contacts. The magnons are described by a position dependent temperature and chemical potential that are…

Mesoscale and Nanoscale Physics · Physics 2016-07-18 Ludo J. Cornelissen , Kevin J. H. Peters , Rembert A. Duine , Gerrit E. W. Bauer , Bart J. van Wees

We calculate the effects of the spin-lattice coupling on the magnon spectrum of thin ferromagnetic films consisting of the magnetic insulator yttrium-iron garnet. The magnon-phonon hybridisation generates a characteristic minimum in the…

Strongly Correlated Electrons · Physics 2014-05-22 Andreas Rückriegel , Peter Kopietz , Dmytro A. Bozhko , Oleksandr A. Serga , Burkard Hillebrands

This review presents a comprehensive study of the spatial dispersion of propagating magnons electrically emitted in extended yttrium-iron garnet (YIG) films by the spin transfer effects across a YIG$\vert$Pt interface. Our goal is to…

Recent demonstration of efficient transport and manipulation of spin information by magnon currents have opened exciting prospects for processing information in devices. Magnon currents can be driven both electrically and thermally, even in…

Mesoscale and Nanoscale Physics · Physics 2020-05-26 Juan M. Gomez-Perez , Saül Vélez , Luis E. Hueso , Fèlix Casanova

The magnetisation dynamics of yttrium iron garnet (Y3Fe5O12, YIG) are key to the operation of spintronic and microwave devices. Here, we report a pathway to manipulate the frequency, damping and absorption of YIG thin films via interface…

We theoretically investigate laser-induced spin transport in metallic magnetic heterostructures using an effective spin transport description that treats itinerant electrons and thermal magnons on an equal footing. Electron-magnon…

Mesoscale and Nanoscale Physics · Physics 2022-04-27 Maarten Beens , Rembert A. Duine , Bert Koopmans

The control of pure spin currents carried by magnons in magnetic insulator (MI) garnet films with a robust perpendicular magnetic anisotropy (PMA) is of great interest to spintronic technology as they can be used to carry, transport and…

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