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. 2020 Apr 3;8:168. doi: 10.3389/fchem.2020.00168

Figure 2.

Figure 2

Structures of (a) Ti3C2, and (b) NbTi2C2 based on the relaxed parameter and structure of (c) Ti3C2, and (d) NbTi2C2 based on the experimental lattice parameter. Electron density of the relaxed structures for (e) Ti3C2, and (f) NbTi2C2. Electron density of the experimental structures for (g) Ti3C2, and (h) NbTi2C2.