Scientists have discovered and confirmed a method which could serve as an easy but reliable way to test the quality of graphene and other 2D materials. Graphene and other single-atom-thick substances ...

Scientists have discovered an indicator that reliably demonstrates a sample's high quality, and it was one that was hiding in plain sight for decades. Producing structurally perfect graphene and other ...

Ptychography is an area-by-area scanning method that uses constant, coherent illumination to scan a region of a sample in several adjacent and overlapping locations. The dispersed radiation is ...

X-ray crystallography is a powerful non-destructive technique for determining the molecular structure of a crystal. X-ray crystallography uses the principles of X-ray diffraction to analyze the sample ...

Schematic diagrams illustrating the atomic arrangement of an MoS₂ specimen observed using 4D-STEM, showing atomic-scale mapping in real-space coordinates x and y and corresponding diffraction patterns ...

Optics meets 2D materials: a simple probe light beam exiting an optical moiré lattice can be chopped up into diffuse streaks or confined into a single bright spot, depending on the twist angle in the ...

Definition:4D Scanning Transmission Electron Microscopy (4D-STEM) is an advanced imaging technique that combines high-resolution electron microscopy with diffraction pattern analysis over a ...

Graphene and other single-atom-thick substances are a category of wonder materials, with researchers the world over investigating their electronic properties for potential applications in technologies ...