Table 1 Pressure (P in GPa), the \({\omega }_{\log }\) and \({\bar{\omega }}_{2}\) moments of the spectral function α2F(ω) in units of meV and the predicted superconducting transition temperature Tc using the Allen–Dynes equation47, isotropic Eliashberg, and the machine-learning equation by Xie et al. 20 with μ* = 0.13
From: Creating superconductivity in WB2 through pressure-induced metastable planar defects
Phase | P | λ | \({\omega }_{\log }\) (meV) | \({\bar{\omega }}_{2}\) (meV) | \({T}_{c}^{{{{{{{{\rm{AD}}}}}}}}}\) | \({T}_{{{{{{{{\rm{c}}}}}}}}}^{{{{{{{{\rm{El}}}}}}}}}\) | \({T}_{{{{{{{{\rm{c}}}}}}}}}^{{{{{{{{\rm{Xie}}}}}}}}}\) (K) |
|---|---|---|---|---|---|---|---|
hP12 | 0 | 0.37 | 30.3 | 47.2 | 0.4 | – | 0.4 |
hP12 | 100 | 0.29 | 41.5 | 63.6 | 0 | – | 0 |
hP3 | 100 | 1.72 | 17.3 | 35.5 | 27.8 | 27.3 | 34.5 |
hR6 | 0 | 0.53 | 27.2 | 43.2 | 3.1 | – | 2.8 |
hR6 | 100 | 0.38 | 40.4 | 61.8 | 0.66 | – | 0.6 |
