鉛烯
鉛烯是一種由單層鉛原子組成的材料[1][2][3]。類似於石墨烯、硅烯、鍺烯和錫烯,鉛烯的製備過程也是在高真空和高溫的條件下,在襯底上沉積一層鉛原子。高質量的鉛烯薄膜有着二維的蜂窩結構。
製備和結構
編輯2019年4月,柚原淳司等人報道了在Pd(111)表面運用帶偏析(segregation)方法的分子束外延技術沉積出單層厚度的原子層。掃描隧道顯微鏡證實了該原子層具有二維單層的標誌性蜂窩結構[4]。鉛烯下形成的具有氣泡結構的鈀鉛合金薄膜被認為類似於威爾—費倫結構[5]。
物理性質
編輯參考
編輯- ^ 1.0 1.1 Das, Dhiman Kumar; Sarkar, Jit; Singh, S. K. Effect of sample size, temperature and strain velocity on mechanical properties of plumbene by tensile loading along longitudinal direction: A molecular dynamics study. Computational Materials Science. 2018-08-01, 151: 196–203. doi:10.1016/j.commatsci.2018.05.006.
- ^ Wang, Pei-ji; Ping Li; Zhang, Bao-min; Yan, Shi-shen; Sheng-shi Li; Zhang, Run-wu; Ji, Wei-xiao; Yan, Shi-shen; Zhang, Chang-wen. Unexpected Giant-Gap Quantum Spin Hall Insulator in Chemically Decorated Plumbene Monolayer. Scientific Reports (Nature). 2016-02-02, 6: 20152. Bibcode:2016NatSR...620152Z. PMC 4735859 . PMID 26833133. doi:10.1038/srep20152.
- ^ Zhang, Liang; Zhao, Hui; Ji, Wei-xiao; Zhang, Chang-wen; Li, Ping; Wang, Pei-ji. Discovery of a new quantum spin Hall phase in bilayer plumbene. Chemical Physics Letters. 2018, 712: 78–82. ISSN 0009-2614. doi:10.1016/j.cplett.2018.09.016.
- ^ Yuhara, J.; He, B.; Le Lay, G. Graphene's Latest Cousin: Plumbene Epitaxial Growth on a "Nano WaterCube". Advanced Materials. 2019, 31 (27): 1901017. PMID 31074927. doi:10.1002/adma.201901017.
- ^ 日本科学家首次让铅烯成为现实--日本频道--人民网. 科技日報. [2022-10-25]. (原始內容存檔於2022-10-25).
- ^ Yu, X.-L.; Huang, L.; Wu, J., From a normal insulator to a topological insulator in plumbene, Physical Review B, 2017, 95 (12): 125113, Bibcode:2017PhRvB..95l5113Y, arXiv:1702.07447 , doi:10.1103/PhysRevB.95.125113