2 papers
cond-mat.mes-hall2025
Local thermodynamic DOS measurement and twist-angle mapping in graphene-hBN superlattices
Namkyung Lee, Hangyeol Park, Seungwon Jung +3
Moiré patterns arising from twisted van der Waals stacks fundamentally reshape their electronic properties, enabling band-structure engineering that has driven rapidly growing int…
physics.app-ph2025
Cryogen-free variable-temperature Kelvin probe force microscopy for probing local chemical potential in a graphene heterostructure
Namkyung Lee, Seungwon Jung, Baeksan Jang +2
We report the development of a variable-temperature Kelvin probe force microscopy (KPFM) system capable of stable and highly sensitive operation over a wide temperature range based…