Tunable edge bands and optical properties in black phosphorus nanoribbons under electric field*

Project supported by the National Natural Science Foundation of China (Grant No. 10947004) and the Jiangsu Government Scholarship for Overseas Studies.

Liu Hong
       

(color online) The spacial probability at the edge sites 1, 2, 19, and 20 of edge states in two edge bands (N = 10, 11) without /with the I type of applied electric field shown in panels (a)/(b), respectively.