학술논문
Metrological Suitability of Functionalized Epitaxial Graphene
Document Type
Conference
Author
Source
2020 Conference on Precision Electromagnetic Measurements (CPEM) Precision Electromagnetic Measurements (CPEM), 2020 Conference on. :1-2 Aug, 2020
Subject
Language
ISSN
2160-0171
Abstract
This work presents one solution for long-term storage of epitaxial graphene (EG) in air, namely through the functionalization of millimeter-scale devices with chromium tricarbonyl - Cr(CO) 3 . The carrier density may be tuned reproducibly by annealing below 400 K due to the presence of Cr(CO) 3 . All tuning is easily reversible with exposure to air, with the idle, in-air, carrier density always being close to the Dirac point. Precision measurements in the quantum Hall regime indicate no detrimental effects from the treatment, validating the pursuit of developing air-stable EG-based QHR devices.