Tunable edge bands and optical properties in black phosphorus nanoribbons under electric field<xref rid="cpb_27_12_127301fn1" ref-type="fn">*</xref> <fn id="cpb_27_12_127301fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant No. 10947004) and the Jiangsu Government Scholarship for Overseas Studies.</p> </fn>

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 schematic diagrams of five types of electric field configuration on the two or three regions A, B, and C denoted by red, blue, and green color, respectively, in nZZ-BPNR (N_w = 20).