Laser-induced ultrafast spin current pulses: A thermodynamic approach

A. Fognini, T. U. Michlmayr, A. Vaterlaus, Y. Acremann

    Research output: Contribution to journalArticleScientificpeer-review

    10 Citations (Scopus)
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    Abstract

    The ultrafast demagnetization process allows for the generation of femtosecond spin current pulses. Here, we present a thermodynamic model of the spin current generation process, based on the chemical potential gradients as the driving force for the spin current. We demonstrate that the laser-induced spin current can be estimated by an easy to understand diffusion model.

    Original languageEnglish
    Article number214002
    Number of pages7
    JournalJournal of Physics Condensed Matter
    Volume29
    Issue number21
    DOIs
    Publication statusPublished - 2017

    Keywords

    • spin dynamics
    • spin injection
    • spintronics
    • ultrafast transport

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