Electron transport and scattering mechanisms in ferromagnetic monolayer Fe3GeTe2
Source abstract
Abstract
Abstract We study intrinsic charge-carrier scattering mechanisms and determine their contribution to the transport properties of the two-dimensional ferromagnet Fe 3 GeTe 2 . We use state-of-the-art first-principles calculations combined with the model approaches to elucidate the role of the electron-phonon and electron-magnon interactions in the electronic transport. Our findings show that the charge carrier scattering in Fe 3 GeTe 2 is dominated by the electron-phonon interaction, while the role of magnetic excitations is marginal. At the same time, the magnetic ordering is shown to effect essentially on the electron-phonon coupling and its temperature dependence. This leads to a sublinear temperature dependence of the electrical resistivity near the Curie temperature, which is in line with experimental observations. The room temperature resistivity is estimated to be ~ 35 μ Ω ⋅ cm which may be considered as a lower intrinsic limit for monolayer Fe 3 GeTe 2 .
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Research context
OpenAlex topics: 2D Materials and Applications · Perovskite Materials and Applications · Advanced Thermoelectric Materials and Devices
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References (60)
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