Field emission from vertically aligned graphene edges at the apex of the pencil lead (Scientific Reports)

T. Igari, R. Tsuruta, Y. Nishiyama, M. Adachi, T. Myojin, K. Asanagi, M. Sasaki, N. Kobayashi and Y. Yamada,
“Field emission from vertically aligned graphene edges at the apex of the pencil lead”,
Scientific Reports 15 (2025) 27456. (DOI:10.1038/s41598-025-11895-x)