Twisted Bilayer Graphene - 1
Twisted bilayer graphene with a ~2.2° twist angle forms a moiré superlattice with a periodicity of ~6.3 nm.
TFM amplitude imaging resolves both the moiré lattice and the atomic lattice (~0.25 nm), demonstrating nanoscale-to-atomic resolution.
Scan Conditions
- System: NX-Hivac
- Scan Mode: TFM
- Scan Size: 100 nm×100 nm, 20 nm×20 nm, 5 nm×5 nm
- Scan Rate: 6 Hz
- Pixels: 512×512
- Cantilever: PPP-FMR
(k=2.8 N/m, f=75 kHz)
*Sample courtesy: Jaime Díez Mérida, Federico Stramaglia, Johann Osmond and Carmen Rubio Verdú, ICFO - Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Spain
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