TY - RPRT TI - Temporal Evolution of Surface Contamination under Ultra-high Vacuum AU - Liu, Zhen AU - Song, Youngsup AU - Rajappan, Anoop AU - Wang, Evelyn N. AU - Preston, Daniel J. PY - 2022 DO - 10.1021/acs.langmuir.1c03062 UR - https://www.osti.gov/biblio/1978135 ID - 1978135 ER -