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nanoARPES on Functioning and Tunable Devices with a DA30-L

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nanoARPES of twisted bilayer graphene | © Scienta Omicron

nanoARPES of twisted bilayer graphene. (a) Overview of the nanoARPES experiment. (b) Device region by optical microscopy (left) and by integrated ARPES intensity (right). (c) Region specific spectra can be extracted and can be used to reconstruct band structure sensitive images. Adapted and cropped from original.

Author: Alfred J. H. Jones and Søren Ulstrup Institute: ''Department of Physics and Astronomy, Aarhus University'' Advanced Materials
Date: 2021 Instruments: DA30-L, DA30-L-8000

In their recent paper, A. J. H. Jones and S. Ulstrup et al. explore engineering properties of quantum materials by placing a singularity of the density of states near the Fermi energy. Using ebeam lithography for structuring and formation of electrical contacts, a device consisting of twisted bilayer graphene (twBG) on a stack of hBN and graphite was formed. The device was wire bonded to a chip package and introduced to the nanoARPES branch of the I05 beamline at the Diamond light source.

Download: nanoARPES_2021_AppNote_4002.pdf

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