Xiao Wang, Sheng-Xiang Huang, Heng Luo, Lian-Wen Deng, Hao Wu, Yun-Chao Xu, Jun He, Long-Hui He. First-principles study of electronic structure and optical properties of nickel-doped multilayer graphene [J]. Acta Physica Sinica, 2019, 68(18): 187301-1
- Acta Physica Sinica
- Vol. 68, Issue 18, 187301-1 (2019)
Fig. 1. (a) Top view and (b) side view of bilayer graphene cell (marked as blue) doped with nickel (marked as green); (c) top view and (d) side view of trilayer graphene cell (marked as blue) doped with nickel (marked as green).镍原子掺杂的双层石墨烯的(a)俯视图和(b)侧视图; 镍原子掺杂的三层石墨烯的(c)俯视图和(d)侧视图(蓝色代表石墨烯, 绿色代表镍原子)
Fig. 2. Energy band diagram for (a) bilayer graphene, (b) Ni-doped bilayer graphene, (c) trilayer graphene, (d) Ni-doped trilayer graphene.能带图 (a)双层本征石墨烯; (b)镍掺杂双层石墨烯; (c)三层本征石墨烯; (d)镍掺杂三层石墨烯
Fig. 3. Density of states diagram for (a) bilayer graphene (D), (b) trilayer graphene (T), (c) Ni-doped bilayer graphene (D-Ni), (d) Ni-doped trilayer graphene (T-Ni).DOS (a)双层本征石墨烯(D); (b)三层本征石墨烯(T); (c)镍掺杂双层石墨烯(D-Ni); (d)镍掺杂三层石墨烯(T-Ni)
Fig. 4. Dielectric constant of the Ni-doped bilayer graphene and bilayer graphene.镍原子掺杂前后的双层石墨烯的介电常数
Fig. 5. Refractive index versus wavelength for the Ni-doped bilayer graphene and pure bilayer graphene.双层石墨烯掺杂前后的折射率与波长的关系
Fig. 6. Comparison of reflectivity of monolayer, bilayer and trilayer graphene with and without Ni doping.掺杂前后的单层、双层和三层石墨烯的反射率
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