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Temperature dependence of the picosecond spin Seebeck effect

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  • معلومة اضافية
    • الموضوع:
      2021
    • Collection:
      Lancaster University: Lancaster Eprints
    • نبذة مختصرة :
      We performed temperature-dependent optical pump–THz emission measurements in Y3Fe5O12 (YIG)|Pt from 5 K to room temperature in the presence of an externally applied magnetic field. We study the temperature dependence of the spin Seebeck effect and observe a continuous increase as temperature is decreased, opposite to what is observed in electrical measurements, where the spin Seebeck effect is suppressed as 0 K is approached. By quantitatively analyzing the different contributions, we isolate the temperature dependence of the spin-mixing conductance and observe features that are correlated with the bands of magnon spectrum in YIG.
    • File Description:
      text
    • Relation:
      https://eprints.lancs.ac.uk/id/eprint/157427/1/APL21_AR_02154.pdf; Kholid, Farhan and Hamara, Dominik and Terschanski, Marc and Mertens, Fabian and Bossini, Davide and Cinchetti, Mirko and McKenzie-Sell, Lauren and Patchett, James and Petit, Dorothee and Cowburn, Russell and Robinson, Jason and Barker, Joseph and Ciccarelli, Chiara (2021) Temperature dependence of the picosecond spin Seebeck effect. Applied Physics Letters, 119 (3): 032401. ISSN 0003-6951
    • الدخول الالكتروني :
      https://eprints.lancs.ac.uk/id/eprint/157427/
      https://eprints.lancs.ac.uk/id/eprint/157427/1/APL21_AR_02154.pdf
    • Rights:
      creative_commons_attribution_noncommercial_4_0_international_license
    • الرقم المعرف:
      edsbas.91CBB6CE