Table. 1 The elastic coefficient (K), the periodicity of total misfit energy (a), the maximum of restoring force (τmax), the half-width of dislocation core (ζ), the Peierls energy barrier (ΔW), the average misfit energy (Wave\({{\mbox{=}}}\frac{1}{a}{\int }_{0}^{a}{{\mbox{W}}}\left(u\right){{{{{\rm{d}}}}}}u\)) and the Peierls stress (σPN) for the [011](0\(\bar{1}1\)) edge dislocation in SrTiO3 calculated based on the PN model
From: Theoretical insights into the Peierls plasticity in SrTiO3 ceramics via dislocation remodelling
K (GPa) | a (Å) | τmax (GPa) | ζ (Å) | ΔW (10−11 J/m) | Wave (10−11 J/m) | σPN (MPa) | ||
|---|---|---|---|---|---|---|---|---|
VO free | Our model | 144.37 | 5.577 | 7.0 | 14.9 | 3.02 | 363.63 | 305 |
GSF model20 | 144.07 | 5.571 | 6.7 | 15.5 | 0.04 | – | 4 | |
VO | Our model | 144.37 | 5.577 | 5.4 | 12.5 | 0.12 | 343.81 | 15 |
