Table 2 Irreversible magnetic moment obtained at \(\mu _{0}H_{ext}\) = 0 mT indicative of the pinning strength.
From: No interface energy barrier and increased surface pinning in low temperature baked niobium
T, K | M\(_{ir}\), emu for each treatment | |||
|---|---|---|---|---|
Baseline | 120 \(^{\circ }\)C bake | 75/120 \(^{\circ }\)C | N infusion | |
2 | 0.44 ± 0.016 | – | 0.82 ± 0.0076 | 1.9 ± 0.0063 |
3 | 0.24 ± 0.0063 | – | 0.50 ± 0.0071 | 1.7 ± 0.0085 |
4 | 0.22 ± 0.0058 | 0.39 ± 0.0090 | 0.2847 ± 0.013 | 0.88 ± 0.0051 |
5 | 0.94 ± 0.0075 | – | 0.18 ± 0.0057 | 0.64 ± 0.0056 |
6 | 0.082 ± 0.0084 | – | 0.14 ± 0.0055 | 0.37 ± 0.0058 |
7 | 0.076 ± 0.0058 | – | 0.067 ± 0.0066 | 0.19 ± 0.0058 |
8 | – | – | 0.035 ± 0.0055 | 0.055 ± 0.0055 |
