Yujin Chu, Jinmin Zhang, Tinghong Gao, Zean Tian, Yongchao Liang, Qian Chen, Zhongnian Huang, Quan Xie. Theoretical Calculation of Electronic Structure and Optical Properties of Two-Dimensional GaAs[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041601
- Laser & Optoelectronics Progress
- Vol. 55, Issue 4, 041601 (2018)
Fig. 1. Graphene-like structure of two-dimensional (2D) GaAs. (a) Model in first-principle calculation; (b) model in molecular dynamics
Fig. 2. Phonon spectral curves of 2D GaAs
Fig. 3. Energy band structure. (a) 2D GaAs; (b) 3D GaAs
Fig. 4. (a) Total density of states of 2D and 3D GaAs ; (b) partial density of states of Ga; (c) partial density of states of As
Fig. 5. Complex dielectric function. (a) 2D GaAs; (b) 3D GaAs
Fig. 6. (a) Absorption and (b) reflection spectra of 2D and 3D GaAs
Fig. 7. Energy loss function spectra of 2D and 3D GaAs
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Table 1. Energy value of highly symmetric point in 2D GaAs Brillouin zone
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Table 2. Parameters of h-BN, MoS2 and BC2N
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