Superlattice structures of silicene-based armchair nanoribbons by density functional theory calculationYanning Wu, Kaiyin Zhang, Yinsheng Huang, Shan Wu, Hui Zhu, Ping Cheng and Jun NiEur. Phys. J. B, 87 4 (2014) 94DOI: https://doi.org/10.1140/epjb/e2014-41075-8