Wang Hui-Yun, Feng Jie, Wang Xu-Dong, Wen Yang, Wei Jiu-Yan, Wen Huan-Fei, Shi Yun-Bo, Ma Zong-Min, Li Yan-Jun, Liu Jun. Measurement of local contact potential difference of atomic scale Au/Si(111)-(7×7) delocalized adsorption state in room-temperature and ultra-high vacuum environmentJ. Acta Physica Sinica, 2022, 71(6): 060702. DOI: 10.7498/aps.71.20211853