Table 2 Structural, elastic, and Raman characters of 3C-SiC under ambient condition.
Lattice constant (Å) | |||
|---|---|---|---|
a | Method | Reference | |
4.361 | Calc. | ||
4.365 | Calc. | ||
4.360 | Expt. | ||
4.326 | Expt. | ||
4.348 | Calc. | This works | |
Elastic modulus (GPa) | |||
Bulk modulus (GPa) | Shear modulus (GPa) | ||
196.2 | Calc. | ||
212 | Calc. | ||
200 | Calc. | ||
211 | Calc. | ||
225.2 | Calc. | ||
224 | Expt. | ||
248 | Expt. | ||
211.4 | 183.5 | Expt. | |
208.7 | 186.4 | Calc. | This works |
Raman frequency | |||
TO | LO | ||
795.9 | 972.9 | Expt. | |
797.7 | 973.6 | Calc. | |
783 | 956 | Calc. | |
772.7 | 941.1 | Calc. | This works |