Charge transfer in 1T-TaS2/graphene hybrid structures studied by spatially resolved raman spectroscopy

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Abstract

Graphene/1T-TaS2hybrid structures were measured using the Raman spectroscopy at room temperature. Spatially resolved Raman maps show that the region for which an effective graphene G band shift was observed correlates well with the tantalum disulfide flake, suggesting a change of the carrier concentration in graphene induced by 1T-TaS2. This effect was observed only for the sample exfoliated in vacuum, which signifies the necessity of preventing tantalum disulfide from oxidation during sample preparation.

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Rogoza, J., Łacińska, E. M., Binder, J., Lutsyk, I., Rogala, M., Dabrowski, P., … Wysmołek, A. (2021). Charge transfer in 1T-TaS2/graphene hybrid structures studied by spatially resolved raman spectroscopy. Acta Physica Polonica A, 139(3), 311–313. https://doi.org/10.12693/APhysPolA.139.311

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