| JARVIS-ID:JVASP-30734 | Functional:optB88-vdW | Primitive cell | Primitive cell | Conventional cell | Conventional cell |
| Chemical formula:Mg(SbO2)2 | Formation energy/atom (eV):-1.738 | a 7.015 Å | α:89.999 ° | a 7.015 Å | α:90.0 ° |
| Space-group :P2_1, 4 | Relaxed energy/atom (eV):-4.0221 | b 6.332 Å | β:94.9 ° | b 6.332 Å | β:94.9 ° |
| Calculation type:Bulk | SCF bandgap (eV):2.726 | c 10.013 Å | γ:90.001 ° | c 10.013 Å | γ:90.0 ° |
| Crystal system:monoclinic | Point group:2 | Density (gcm-3):4.97 | Volume (Å3):443.16 | nAtoms_prim:28 | nAtoms_conv:28 |
The following shows the X-ray diffraction (XRD)[Source-code] pattern and the Radial distribution function (RDF) plots [Source-code]. XRD peaks should be comparable to experiments for bulk structures. Relative intensities may differ. For mono- and multi-layer structures , we take the z-dimension during DFT calculation for XRD calculations, which may differ from the experimental set-up.
The following shows the electronic density of states and bandstructure [Source-code]. DFT is generally predicted to underestimate bandgap of materials. Accurate band-gaps are obtained with higher level methods (with high computational requirement) such as HSE, GW , which are under progress. If available, MBJ data should be comparable to experiments also. Total DOS, Orbital DOS and Element dos [Source-code] buttons are provided for density of states options. Energy is rescaled to make Fermi-energy zero. In the bandstructure plot [Source-code], spin up is shown with blue lines while spin down are shown with red lines. Non-degenerate spin-up and spin-down states (if applicable) would imply a net orbital magnetic moment in the system. Fermi-occupation tolerance for bandgap calculation is chosen as 0.001.
High-symmetry kpoints based bandgap (eV): 2.726D
Incident photon energy dependence of optical is shown below [Source-code]. Only interband optical transitions are taken into account.Please note the underestimatation of band-gap problem with DFT will reflect in the spectra as well. For very accurate optical properties GW/BSE calculation would be needed, which is yet to be done because of their very high computational cost. Optical properties for mono-/multi-layer materials were rescaled with the actual thickness to simulation z-box ratio. Absorption coeffiecient is in cm-1 unit. Also, ionic contributions were neglected.
Dense k-mesh based bandgap is : 2.7265 eV
Static real-parts of dielectric function in x,y,z: 5.02,5.32,4.98
The orbital magnetic moment was obtained after SCF run. This is not a DFT+U calculation, hence the data could be used to predict zero or non-zero magnetic moment nature of the material only.
Total magnetic moment: 0.0 μB
Magnetic moment per atom: 0.0 μB
| Elements | s | p | d | tot |
| Mg | -0.0 | 0.0 | -0.0 | 0.0 |
| Mg | 0.0 | -0.0 | 0.0 | 0.0 |
| Mg | 0.0 | 0.0 | 0.0 | 0.0 |
| Mg | 0.0 | 0.0 | 0.0 | 0.0 |
| Sb | -0.0 | -0.0 | -0.0 | -0.0 |
| Sb | -0.0 | -0.0 | -0.0 | -0.0 |
| Sb | 0.0 | -0.0 | -0.0 | -0.0 |
| Sb | 0.0 | 0.0 | 0.0 | 0.0 |
| Sb | -0.0 | -0.0 | -0.0 | -0.0 |
| Sb | -0.0 | -0.0 | -0.0 | -0.0 |
| Sb | 0.0 | 0.0 | 0.0 | 0.0 |
| Sb | 0.0 | 0.0 | -0.0 | 0.0 |
| O | -0.0 | 0.0 | 0.0 | 0.0 |
| O | -0.0 | 0.0 | 0.0 | 0.0 |
| O | -0.0 | -0.0 | 0.0 | -0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
| O | -0.0 | 0.0 | 0.0 | 0.0 |
| O | 0.0 | -0.0 | 0.0 | -0.0 |
| O | 0.0 | -0.0 | 0.0 | -0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
| O | -0.0 | -0.0 | 0.0 | -0.0 |
| O | -0.0 | 0.0 | 0.0 | 0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
| O | -0.0 | 0.0 | 0.0 | 0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
| O | 0.0 | 0.0 | 0.0 | 0.0 |
Links to other databases or papers are provided below
mvc-7254