Abstract
In article number 2000574, Achim Harzheim, Pascal Gehring, and co-workers report U-shaped graphene strips comprising one wide and one narrow leg that form a single material thermocouple due to the increased influence of electron edge scattering in a narrow channel. This leads to different Seebeck coefficients in the two legs, which for the devices tested, yield a maximum sensitivity of ΔS ≈ 39 μV K−1.
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