Effect of Low-Frequency Alternative-Current Magnetic Susceptibility in Ni₈₀Fe₂₀ Thin Films

Figure 4

Alternative-current magnetic susceptibility (𝜒_ac) as a function of low frequency for NiFe films under three preparation conditions: (a) deposited at RT only, (b) postannealed at 𝑇_A=150°C for 1 h, and (c) postannealed at 𝑇_A=250°C for 1 h.

(a)

(b)

(c)