[We-A2-B] Emerging phenomena in 2D materials

12:00 PM - 12:15 PM JST(3:00 AM - 3:15 AM UTC)

[We-A2-B-05] Direct Visualization of Field-Driven Valence Band Modulation in Electrostatistically Reconfigured Graphene Devices

〇Umidakhon Rayimjonova¹, Chin-Yi Huang ¹, Yi-Cheng Weng¹, Elin Cartwright¹, Fredrik O.L. Johansson¹, Noemi Vannucchi^1,2, Pavel Dudin³, Avila Jose³, Pei Ding³, David Muradas-Belinchón¹, Henry Nameirakpam¹, Zhaojun Li¹, Andreas Lindblad¹ and M. Venkata Kamalakar¹ (1. Uppsala University (Sweden), 2. Sorbonne Université (France), 3. Synchrotron SOLEIL (France))

Here, we demonstrate direct visualization of the electrostatic potential distribution across functional graphene devices using spatially resolved, in-operando X-ray photoelectron spectroscopy (XPS).