TY - RPRT TI - High efficiency compact microwave sources using electrostatic potential depression AU - Xu, Haoran AU - Marksteiner, Quinn R. AU - Carlsten, Bruce Eric PY - 2021 DO - 10.1109/ted.2021.3060681 UR - https://www.osti.gov/biblio/1774469 ID - 1774469 ER -