I am interested in magnetic thin films, and was thinking about evaporated vs sputtered films.

My understanding is that typically sputtered films are more dense than their evaporated counterpart.

I was looking at a couple papers, which used Ni films one set evaporated and the other sputtered, both measuring the same effect. However the sputtered films showed the effect at a much lower applied field.

And I was curious as to whether this may have something to do with the densities of the films themselves. If the sputtered films was more dense than a magnetic path would be easier to form within the material compared with a less dense equivalent.

Is that a reasonable assumption to make? If not what am I missing in my thinking?


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