Nanoscale Control of 2D Quantum Systems

Lawrie highlight March 2026 — Local electron-beam excitation of graphene-backgated, hBN encapsulated, monolayer WS2 unlocks new methods for controlling and visualizing excitonic interactions in 2D materials.

Scientific Achievement: Discovered nanoscale exciton confinement in a monolayer 2D semiconductor induced by electron-beam patterning via an unconventional electrostatic gating effect.

Significance and Impact: Provides a pathway for precise, rewritable manipulation of quantum photonic devices, exciton routers, and analog quantum simulators.

DOI: 10.1002/adfm.202524575