Using time-resolved magneto-optics, we explore the dynamics of spins and electrons in thin Fe3O4 films, through the metal-insulator transition associated to Verwey temperature. In particular, we show a clear signature of this transition in the out-of-equilibrium behavior of the different degrees of freedom. Our results are a first step towards all optical control of properties of such transitional material at ultimate timescales.
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Halté et al. (2024) studied this question.
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