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A Local Study of the Transport Mechanisms in MoS Layers for Magnetic Tunnel Junctions. | LitMetric

AI Article Synopsis

Article Abstract

MoS-based vertical spintronic devices have attracted an increasing interest thanks to theoretical predictions of large magnetoresistance signals. However, experimental performances are still far from expectations. Here, we carry out the local electrical characterization of thin MoS flakes in a Co/AlO/MoS structure through conductive tip AFM measurements. We show that thin MoS presents a metallic behavior with a strong lateral transport contribution that hinders the direct tunnelling through thin layers. Indeed, no resistance dependence is observed with the flake thickness. These findings reveal a spin depolarization source in the MoS-based spin valves, thus pointing to possible solutions to improve their spintronic properties.

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Source
http://dx.doi.org/10.1021/acsami.8b08853DOI Listing

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