ArticleNature communications2026
Observation of giant acoustoelectric currents in graphene on lead magnesium niobate-lead titanate.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Acoustoelectric (AE) devices enable coupling between acoustic waves and mobile charge carriers, offering a route toward RF-to-DC conversion, RF power sensing, energy harvesting, and responsive sensing applications. The efficiency of this coupling depends on both the electromechanical properties of the piezoelectric substrate and the transport properties of the conductive film interacting with the surface acoustic wave (SAW). Here an AE SAW delay line platform is presented for generating large AE currents using graphene on lead magnesium niobate-lead titanate (PMN-PT). Leveraging graphene's high carrier mobility and the strong electromechanical coupling of (111)-cut PMN-PT, this platform achieves giant AE current generation. Additionally, AE responsivity (
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