Table 3. Calculated Deformation Potential (E1), Elastic Constant (C), the Effective Mass of the Electron (me*), the Effective Mass of the Hole (mh*), Electron Mobility (μe), and Hole Mobility (μh) at 300 K.
| materials | carriers | E1 (eV) | C (N/m) | m*(m0) | μ (cm2 V–1 s–1) |
|---|---|---|---|---|---|
| WS2 (monolayer) | electron | 14.22 | 235.46 | me* = 0.43 | μe = 90.97 |
| hole | 6.96 | mh* = −0.52 | μh = 262.36 | ||
| WSSe (Janus) | electron | 13.21 | 229.31 | me* = 0.48 | μe = 81.50 |
| hole | 6.06 | mh* = – 0.57 | μh = 276.64 | ||
| WSTe (Janus) | electron | 13.59 | 222.21 | me* = 0.45 | μe = 85.73 |
| hole | 8.99 | mh* = −0.43 | μh = 214.79 |