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The magnetic dynamics of Fe71 Al29(x = 71) and Fe70 Al30(x = 70) are analyzed. The alloys have been prepared by milling and further annealing. AC-susceptibility has been measured from 5 K to 300 K at several frequencies between 100 and 10 kHz with an alternating field of 0.1 Oe. In x = 70, additional susceptibility data fixing the frequency to 500 Hz and varying the field between 0.1 les h les 10...