TY - RPRT TI - Long lifetime polarized electron beam production from negative electron affinity GaAs activated with Sb-Cs-O: Trade-offs between efficiency, spin polarization, and lifetime AU - Cultrera, Luca (ORCID:0000000235606059) AU - Galdi, Alice (ORCID:0000000328635393) AU - Bae, Jai Kwan (ORCID:0000000306545186) AU - Ikponmwen, Frank AU - Maxson, Jared AU - Bazarov, Ivan PY - 2020 DO - 10.1103/physrevaccelbeams.23.023401 UR - https://www.osti.gov/biblio/1598736 ID - 1598736 ER -