Phonon-engineered Nb film as a Mott-insulating tunnel-junction network
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DOI: 10.1063/1.5126616
Abstract: Herein, phonon engineering is applied to a metal. Suppressed phonon branches are expected to enhance electron–phonon interactions in metals. Independent resistance and magnetization measurements have confirmed the Mott transition, which has never been observed in… read more here.
Keywords: tunnel junction; phonon; film; mott insulating ... See more keywords