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2D MATERIALS

Thermopower probes electronic flat bands

Heat transport measurements on twisted bilayer graphene reveal a strong asymmetry between electrons and holes — a consequence of band reconstruction, induced by electronic interactions, at partial fillings of the moiré superlattice.

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Fig. 1: Thermopower measurements in MATBG.

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Correspondence to Petr Stepanov.

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Stepanov, P. Thermopower probes electronic flat bands. Nat. Phys. 18, 617–618 (2022). https://doi.org/10.1038/s41567-022-01595-y

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