Bright sources under the projection microscope: using an insulating crystal on a conductor as electron sourceLaurent Lapena, Djouher Bedrane, Alain Degiovanni and Evelyne SalançonEur. Phys. J. Appl. Phys., 97 (2022) 13DOI: https://doi.org/10.1051/epjap/2022210260
