Table 5 Comparison of SVF, TE and RTE calculations and large pores experimental results from the literature14,57.
Sample | Geometry/topology | Ref. of pore diameters, d0 (nm) | SVF (ns) | TE13 (ns) | δRTE = 0.18 nm a = 2 (R + δRTE) (ns) | Ref. of o-Ps lifetime (ns) |
|---|---|---|---|---|---|---|
Silica gel57 | – | 4.0057 | 40.50 | 69.14 | 55.73 | 44.6557 |
Silica gel57 | – | 6.0057 | 55.60 | 108.04 | 74.43 | 60.2057 |
Silica gel57 | – | 10.0057 | 75.12 | 132.96 | 94.87 | 75.1957 |
Silica57 | – | 13.2020 | 86.18 | 138.47 | 104.06 | 84.2520 |
Zircon14 | – | 50.6014 | 121.15 | 141.97 | 131.19 | 122.7014 |
Silica20 | – | 136.1420 | 134.40 | 142.00 | 140.47 | 137.1420 |
Silica | – | 280.4920 | 138.50 | 142.00 | 141.87 | 138.5820 |
