610305.fig.0048
Figure 48: Effect of value on HFD shape extracted from room temperature Mössbauer spectrum for small Fe particles. (a) = 0.01 T ( 𝜆 = 0, l = 0.36 mm s−1, HR = 1.612, 𝜒 2 = 2.066); (b) = 0.1 T ( 𝜆 = 0, l = 0.35 mm s−1, HR = 1.873, 𝜒 2 = 2.401); (c) = 0.5 T ( 𝜆 = 0, l = 0.34 mm s−1, HR = 1.707, 𝜒 2 = 2 . 1 8 8 ).