Park AFM Image Gallery

WSe2 on graphene forms a moiré superlattice due to lattice mismatch between the two materials, resulting in characteristic periodic patterns.

From 100 nm to 5 nm, the moiré pattern is observed at larger scales, while the atomic lattice is resolved at smaller scales as the scan size decreases.

Scan Conditions

- System: NX1

- Scan Mode: FMM

- Scan Size: 100 nm×100 nm, 50 nm×50 nm, 5 nm×5 nm

- Scan Rate: All 8 Hz

- Pixels: All 512×512

- Cantilever: AD-2.8-AS
(k=2.8 N/m, f=65 kHz)