Spin-orbit enhanced demagnetization rate in Co/Pt-multilayers. Kuiper, K. C., Roth, T., Schellekens, A. J., Schmitt, O., Koopmans, B., Cinchetti, M., & Aeschlimann, M. Applied Physics Letters, 105(20):202402+, November, 2014.
Paper doi abstract bibtex In order to explore the role of enhanced spin-orbit interactions on the laser-induced ultrafast magnetization dynamics, we performed a comparative study on cobalt thin films and Co/Pt multilayers. We show that the presence of the Co/Pt interfaces gives rise to a three-fold faster demagnetization upon femtosecond laser heating. Experimental data for a wide range of laser fluences are analyzed using the Microscopic 3-Temperature Model. We find that the Elliott-Yafet spin-flip scattering in the multilayer structure is increased by at least a factor of four with respect to the elementary Co film.
@article{kuiper_spin-orbit_2014,
title = {Spin-orbit enhanced demagnetization rate in {Co}/{Pt}-multilayers},
volume = {105},
issn = {0003-6951},
url = {http://dx.doi.org/10.1063/1.4902069},
doi = {10.1063/1.4902069},
abstract = {In order to explore the role of enhanced spin-orbit interactions on the laser-induced ultrafast magnetization dynamics, we performed a comparative study on cobalt thin films and Co/Pt multilayers. We show that the presence of the Co/Pt interfaces gives rise to a three-fold faster demagnetization upon femtosecond laser heating. Experimental data for a wide range of laser fluences are analyzed using the Microscopic 3-Temperature Model. We find that the Elliott-Yafet spin-flip scattering in the multilayer structure is increased by at least a factor of four with respect to the elementary Co film.},
number = {20},
journal = {Applied Physics Letters},
author = {Kuiper, K. C. and Roth, T. and Schellekens, A. J. and Schmitt, O. and Koopmans, B. and Cinchetti, M. and Aeschlimann, M.},
month = nov,
year = {2014},
pages = {202402+}
}
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