Abstract
We report the observation of large linear magnetoresistance (LMR) in an individual bismuth single crystal nanoribbon synthesized by solvothermal method. The LMR reaches 450% at 2 K and 550% at ∼125 K, and remains as high as 200% at room temperature without any sign of saturation under magnetic field up to 16 T. Such a nonmonotonic temperature-dependence of LMR is not observed in bulk crystals, which could be associated with the enhanced weight of the surface conduction in nanoribbon samples. From our analyses, this LMR in Bi nanoribbons can be understood within the quantum-MR model. The observation of large LMR in Bi nanoribbons at room temperature provides potential practical applications in nanoscale.
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