Xiaoshu Guo, Sandong Guo. Janus MSiGeN4 (M = Zr and Hf) monolayers derived from centrosymmetric β-MA2Z4: A first-principles study[J]. Journal of Semiconductors, 2021, 42(12): 122002
- Journal of Semiconductors
- Vol. 42, Issue 12, 122002 (2021)
Fig. 1. (Color online) The crystal structures of
Fig. 2. (Color online)The phonon dispersion curves of
Fig. 3. (Color online) (a) The fluctuations of temperature and total energy with the time obtained from MD simulation of
Fig. 4. (Color online) Band structures of
Fig. 5. (Color online) Band structures of
Fig. 6. (Color online) The band gaps of
Fig. 7. The larger version around CBM for
Fig. 8. (Color online) In-plane spin textures calculated at the iso-energy surface of 1.5 eV above the Fermi level for
Fig. 9. (Color online) The calculated optical dielectric function of
xx /yy and
Fig. 10. (Color online) The optical absorption coefficients of
xx /yy and zz directions from 0 to 4 eV, and the visible light region (1.6–3.1 eV) is shown.
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Table 1. For the
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Table 2. Piezoelectric Coefficients
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