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Magnetic critical behavior of Mn5Ge3 ribbons was investigated by dc magnetization measurements. The critical exponents were obtained by a modified Arrott plot technique and the Kouvel–Fisher method. Finally, β = 0.372 ± 0.003 and γ = 1.05 ± 0.01 were determined. The exponent δ = 3.88 ± 0.02 obtained from the magnetization isotherm of TC fulfills the Widom scaling relation δ = 1 + γ/β. Moreover, with...
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