The factors which affect the saturation magnetic flux density (Bs) of electroplated CoNiFe films were investigated and the results are reported. The Fe composition, the ratio of body-centered cubic (110) to face-centered cubic (111) peak intensity (Rb), and the density were found to affect the Bs of the films. The Bs increased when the Rb, Fe composition, and the density were increased; we found that a larger grain size and fewer impurities produced a higher density film. It was determined that the suppression of the impurities and the increased grain size led to the high film density and high Bs.
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