Figure 10
From: Vacancy-Hydrogen Interaction in Niobium during Low-Temperature Baking

CDB ratio curves related to a well annealed (1000 °C in UHV) Nb reference for (a) sample 6 (Ningxia), (b) sample 73 (Tokyo Denkai). Two reference curves for Nb with v + H and v + 4 H complexes are shown for comparison.