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Figure 38: Mössbauer spectra for FePd (2.2%). Hyperfine field distribution for a ferromagnetic component in spectrum is shown in inserts. (a) The bulk alloy, 𝑇 = 2 9 3  K; (b) particles with a size of 𝐷 = 1 2 ± 3  nm at T = 293 K; (c) the same particles at 𝑇 = 1 0 0  K.