Research Article
Structural, Elastic, and Electronic Properties of Antiperovskite Chromium-Based Carbides ACCr3 (A = Al and Ga)
Table 2
Lattice parameter
, magnetic moments per Cr atom
, and the formation energies
of ACCr
3.
| | | | | | | | | () | (eV/atom) | (eV/atom) | (/Cr) | (eV/atom) | (/Cr) |
| CuCCr3 |
3.869
|
0.214
|
0.212
|
0.396
|
0.205
|
1.006
| ZnCCr3 |
3.894
|
0.125
|
0.126
|
0.127
|
0.115
|
1.020
| GaCCr3 |
3.891
|
−0.019
|
−0.019
|
0.001
|
−0.019
|
0.099
| MoCCr3 |
3.898
|
0.105
|
0.105
|
0.053
|
0.105
|
0.240
| AlCCr3 |
3.887
|
−0.0479
|
−0.0478
|
0.034
|
−0.0478
|
0.212
| AgCCr3 |
3.936
|
0.286
|
0.292
|
0.544
|
0.268
|
1.649
| CdCCr3 |
3.973
|
0.256
|
0.257
|
0.341
|
0.213
|
2.102
| SnCCr3 |
3.981
|
0.082
|
0.0786
|
0.400
|
0.082
|
0.000
| MgCCr3 |
3.952
|
0.220
|
0.219
|
0.173
|
0.195
|
1.824
| InCCr3 |
3.999
|
0.187
|
0.189
|
0.406
|
0.188
|
0.006
| YCCr3 |
4.088
|
0.269
|
0.268
|
0.611
|
0.270
|
0.000
| LaCCr3 |
4.122
|
0.496
|
0.362
|
1.8101
|
0.497
|
0.002
| CaCCr3 |
4.083
|
0.539
|
0.541
|
0.3311
|
0.539
|
0.001
| SrCCr3 |
4.155
|
0.795
|
0.795
|
0.402
|
0.796
|
0.002
| BaCCr3 |
4.246
|
1.166
|
0.998
|
1.957
|
1.166
|
0.002
|
|
|