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Creating and probing electron whispering-gallery modes in graphene

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Academic year: 2021

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Figure

Fig. 1. Confined electronic states in microscopic electron cavities defined by pn junction rings  in graphene
Fig.  2.  Confined  electronic  states  probed  by  STM  measurements.  (A)  Differential  tunneling  conductance,
Fig. 3. Contributions of the WGM resonances with different m to the DOS for the relativistic  Dirac  model
Fig. S1. Graphene device fabrication.  Optical images of the graphene device at (A) 20X, (B)  150X magnification, and (C) inside the STM module showing the probe tip aligned with the active  area of the device
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