Quantum Transport in Transition Metal Dichalcogenide Monolayers and Twisted Bilayers
Invited
Abstract
This presentation will review our recent progress in studies of the magneto-transport properties of transition metal dichalcogenides. This work utilizes materials exfoliated from ultrahigh-purity single crystals grown by a flux synthesis technique, and encapsulation by h-BN to minimize external disorder. Ohmic contacts are achieved by work function control and dual-gating. These samples are studied in high magnetic fields by a combination of electrical transport measurements and probing the density of states using capacitance. I will describe a number of systems studied in this way, including WSe2 monolayers, bilayers, and bilayers with small interlayer twist angles. In addition, recent studies of semiconducting and metallic forms MoTe2 will be described.
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Presenters
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James Hone
Columbia University, Mechanics, Columbia University, Department of Mechanical Engineering, Columbia University in the City of New York, Department of Mechanical Engineering, Columbia University, Department of Mechanical Engineering, Columbia University, New York, NY 10027 USA, Mechanical Engineering, Columbia University
Authors
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James Hone
Columbia University, Mechanics, Columbia University, Department of Mechanical Engineering, Columbia University in the City of New York, Department of Mechanical Engineering, Columbia University, Department of Mechanical Engineering, Columbia University, New York, NY 10027 USA, Mechanical Engineering, Columbia University