The linear magnetostriction, saturation magnetization and initial permeability of 4% molybdenum permalloys

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Abstract
The initial permeability and also the saturation magnetization and linear magnetostriction of 4% molybdenum permalloys with nickel contents in the range 69-89% have been measured at room temperature. In addition the temperature variations of the permeability and of the saturation magnetization have been measured. Correlation of these data suggests that the magnetization mechanism in these alloys at low fields is one of domain wall movement and depends strongly on the magnetostriction of the material.