TY - RPRT TI - Structured electron beams from nano-engineered cathodes AU - Lueangaramwong, A. AU - Mihalcea, D. AU - Andonian, G. AU - Piot, P. PY - 2017 DO - 10.1063/1.4975892 UR - https://www.osti.gov/biblio/1346826 ID - 1346826 ER -