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Reply to: Mobility overestimation in MoS₂ transistors due to invasive voltage probes

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arxiv 2307.07787 v2 pith:ZEDVVKLU submitted 2023-07-15 cond-mat.mtrl-sci cond-mat.mes-hall

Reply to: Mobility overestimation in MoS₂ transistors due to invasive voltage probes

classification cond-mat.mtrl-sci cond-mat.mes-hall
keywords disorderedinvasivemobilityprobesreplyrippled-mossystemassumed
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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In this reply, we include new experimental results and verify that the observed non-linearity in rippled-MoS$_2$ (leading to mobility kink) is an intrinsic property of a disordered system, rather than contact effects (invasive probes) or other device issues. Noting that Peng Wu's hypothesis is based on a highly ordered ideal system, transfer curves are expected to be linear, and the carrier density is assumed be constant. Wu's model is therefore oversimplified for disordered systems and neglects carrier-density dependent scattering physics. Thus, it is fundamentally incompatible with our rippled-MoS$_2$, and leads to the wrong conclusion.

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