Search Results - "REZENDE, S. M"

Refine Results
  1. 1

    Detecting the phonon spin in magnon–phonon conversion experiments by Holanda, J., Maior, D. S., Azevedo, A., Rezende, S. M.

    Published in Nature physics (01-05-2018)
    “…Recent advances in the emerging field of magnon spintronics have stimulated renewed interest in phenomena involving the interaction between spin waves, the…”
    Get full text
    Journal Article
  2. 2

    Spin-Current to Charge-Current Conversion and Magnetoresistance in a Hybrid Structure of Graphene and Yttrium Iron Garnet by Mendes, J B S, Alves Santos, O, Meireles, L M, Lacerda, R G, Vilela-Leão, L H, Machado, F L A, Rodríguez-Suárez, R L, Azevedo, A, Rezende, S M

    Published in Physical review letters (27-11-2015)
    “…The use of graphene in spintronic devices depends, among other things, on its ability to convert a spin excitation into an electric charge signal, a phenomenon…”
    Get full text
    Journal Article
  3. 3

    Efficient spin to charge current conversion in the 2D semiconductor MoS2 by spin pumping from yttrium iron garnet by Mendes, J. B. S., Aparecido-Ferreira, A., Holanda, J., Azevedo, A., Rezende, S. M.

    Published in Applied physics letters (11-06-2018)
    “…We report efficient spin to charge current conversion in the 2D transition metal dichalcogenide semiconductor MoS2 at room temperature. The spin current is…”
    Get full text
    Journal Article
  4. 4

    Amplification of spin waves by thermal spin-transfer torque by Padrón-Hernández, E, Azevedo, A, Rezende, S M

    Published in Physical review letters (04-11-2011)
    “…We observe amplification of spin-wave packets propagating along a film of single-crystal yttrium iron garnet subject to a transverse temperature gradient. The…”
    Get full text
    Journal Article
  5. 5

    Spin Seebeck effect in the antiferromagnet nickel oxide at room temperature by Holanda, J., Maior, D. S., Alves Santos, O., Vilela-Leão, L. H., Mendes, J. B. S., Azevedo, A., Rodríguez-Suárez, R. L., Rezende, S. M.

    Published in Applied physics letters (23-10-2017)
    “…The generation of spin currents by thermal gradients applied to a magnetic film is known as the spin Seebeck effect (SSE). The SSE is usually detected by an…”
    Get full text
    Journal Article
  6. 6

    Enhanced spin pumping damping in yttrium iron garnet/Pt bilayers by Rezende, S. M., Rodríguez-Suárez, R. L., Soares, M. M., Vilela-Leão, L. H., Ley Domínguez, D., Azevedo, A.

    Published in Applied physics letters (07-01-2013)
    “…Detailed measurements of the magnetic relaxation expressed in the linewidth of the ferromagnetic resonance (FMR) absorption in thick films of yttrium iron…”
    Get full text
    Journal Article
  7. 7

    Competing spin pumping effects in magnetic hybrid structures by Azevedo, A., Alves Santos, O., Fonseca Guerra, G. A., Cunha, R. O., Rodríguez-Suárez, R., Rezende, S. M.

    Published in Applied physics letters (03-02-2014)
    “…Pure spin current can be detected by its conversion into charge current in nanometer thick nonmagnetic metal layer with large spin-orbit coupling by means of…”
    Get full text
    Journal Article
  8. 8

    Magnon spin-current theory for the longitudinal spin-Seebeck effect by Rezende, S. M., Rodríguez-Suárez, R. L., Cunha, R. O., Rodrigues, A. R., Machado, F. L. A., Fonseca Guerra, G. A., Lopez Ortiz, J. C., Azevedo, A.

    “…We present a theoretical model for the longitudinal spin-Seebeck effect (LSSE) in bilayers made of a ferromagnetic insulator (FMI), such as yttrium iron garnet…”
    Get full text
    Journal Article
  9. 9

    Spin-wave theory for the dynamics induced by direct currents in magnetic multilayers by REZENDE, S. M, DE AGUIAR, F. M, AZEVEDO, A

    Published in Physical review letters (28-01-2005)
    “…A spin-wave theory is presented for the magnetization dynamics in a ferromagnetic film that is traversed by spin-polarized carriers at high direct-current…”
    Get full text
    Journal Article
  10. 10

    Enhancement of spin wave excitation by spin currents due to thermal gradient and spin pumping in yttrium iron garnet/Pt by da Silva, G. L., Vilela-Leão, L. H., Rezende, S. M., Azevedo, A.

    Published in Applied physics letters (07-01-2013)
    “…We investigate the interplay between spin currents produced by thermal gradients and spin pumping in hybrid yttrium iron garnet/Pt structures (YIG/Pt). By…”
    Get full text
    Journal Article
  11. 11

    Nonlinear dynamics of three-magnon process driven by ferromagnetic resonance in yttrium iron garnet by Cunha, R. O., Holanda, J., Vilela-Leão, L. H., Azevedo, A., Rodríguez-Suárez, R. L., Rezende, S. M.

    Published in Applied physics letters (11-05-2015)
    “…We report an investigation of the dynamics of the three-magnon splitting process associated with the ferromagnetic resonance (FMR) in films of the insulating…”
    Get full text
    Journal Article
  12. 12

    Investigation of large enhancement of spin hall angle in heterostructures of Ag nanoparticles randomly grown in Pt by Santos, O. Alves, Silva, E. F., Gamino, M., Mendes, J. B. S., Rezende, S. M., Azevedo, A.

    Published in AIP advances (01-03-2019)
    “…The spin Hall angle (SHA) represents the efficiency of the conversion between spin current into charge current and vice-versa. In this paper, we report the…”
    Get full text
    Journal Article
  13. 13

    Magnetic and structural properties of nanosize Ni–Zn–Cr ferrite particles synthesized by combustion reaction by Gama, L., Hernandez, E.P., Cornejo, D.R., Costa, A.A., Rezende, S.M., Kiminami, R.H.G.A., Costa, A.C.F.M.

    “…This paper reports on Cr 3+-doped and undoped Ni–Zn nanosize ferrite obtained by reaction combustion synthesis. The powders resulting from this synthesis were…”
    Get full text
    Journal Article
  14. 14

    Magnetic properties of nanocrystalline Ni–Zn ferrites doped with samarium by Gama, L., Diniz, A.P., Costa, A.C.F.M., Rezende, S.M., Azevedo, A., Cornejo, D.R.

    Published in Physica. B, Condensed matter (01-10-2006)
    “…We describe the influence of the temperature of sintering on the structure and the static magnetic properties in Ni 0.5Zn 0.5Sm x Fe 2– x O 4 ferrites prepared…”
    Get full text
    Journal Article Conference Proceeding
  15. 15
  16. 16

    Mode locking of spin waves excited by direct currents in microwave nano-oscillators by Rezende, S M, de Aguiar, F M, Rodríguez-Suárez, R L, Azevedo, A

    Published in Physical review letters (23-02-2007)
    “…A spin-wave theory is presented which explains the frequency pulling and mode locking observed when two closely spaced spin-transfer nanometer-scale…”
    Get full text
    Journal Article
  17. 17
  18. 18

    Amplification of spin waves in yttrium iron garnet films through the spin Hall effect by Padrón-Hernández, E., Azevedo, A., Rezende, S. M.

    Published in Applied physics letters (07-11-2011)
    “…We demonstrate that spin waves propagating in a film of yttrium iron garnet (YIG) can be amplified by a dc current in an adjacent Pt layer by means of the spin…”
    Get full text
    Journal Article
  19. 19
  20. 20

    Thermal properties of magnons in yttrium iron garnet at elevated magnetic fields by Rezende, S. M., López Ortiz, J. C.

    “…The ferrimagnetic insulator yttrium iron garnet (YIG) has become an important material in the emergent field of spin caloritronics. Despite this and the fact…”
    Get full text
    Journal Article