FeNiP めっき膜の磁気特性と電気抵抗

概要

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The magnetic properties and resistivity of electroplated FeNiP film were investigated. The resistivity of FeNiP film increased and its magnetic flux density decreased with the addition of phosphorus. The optimum Fe_<29>Ni_<64>P_7 film showed higher resistivity (85μΩcm) than Fe_<55>Ni_<45> film (45μΩcm). The magnetic flux density, saturation magnetostriction, anisotropic field, and coercivity of Fe_<29>Ni_<64>P_7 film were about 1.0T, 50×10^<-7>, 15 Oe, and lower than 1.0Oe, respectively. The frequency characteristic and thermal stability of FeNiP film were also investigated. The permeability of FeNiP film began to decrease in a higher-frequency region than that of FeNi film. The resistivity of FeNiP film decreased as a result of annealing at 200℃, where as that of FeNi film was unchanged after annealing at temperatures up to 300℃.
社団法人日本磁気学会の論文
1998-04-15