610305.fig.0036
Figure 36: Room temperature Mössbauer spectra for FeCu particles with various Cu contents (at.%). (a) 0.6; (b) 4.9; (c) 9.5; (d) 19.7; (e) 35.3; (f) 50.4; (g) 74.3; (h) 86.8; (i) 92.1.