期刊
NANOSCALE RESEARCH LETTERS
卷 14, 期 -, 页码 -出版社
SPRINGEROPEN
DOI: 10.1186/s11671-019-2971-5
关键词
Black phosphorene nanoribbons; Half semiconductor; Spin diode; Semiconductor-metal transition; Edge functionalization
资金
- National Natural Science Foundation of China [61674110, 6167204, 11274238]
The structural, electrical, and magnetic properties of armchair black phosphorene nanoribbons (APNRs) edge-functionalized by transitional metal (TM) elements V, Cr, and Mn were studied by the density functional theory combined with the non-equilibrium Green's function. Spin-polarized edge states introduce great varieties to the electronic structures of TM-APNRs. For APNRs with Mn-stitched edge, their band structures exhibit half-semiconductor electrical properties in the ferromagnetic state. A transverse electric field can then make the Mn-APNRs metallic by shifting the conduction bands of edge states via the Stark effect. The Mn/Cr-APNR heterojunction may be used to fabricate spin p-n diode where strong rectification acts only on one spin.
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