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Magnetostriction of sputtered Sm-Fe thin films

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5 Author(s)
T. Honda ; Tokin Corp., Sendai, Japan ; Y. Hayashi ; K. I. Arai ; K. Ishiyama
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The magnetostriction and the magnetic properties of amorphous Sm xFe100-x thin films prepared by sputtering are investigated at room temperature. The magnetostriction, -λ, of these films increases rapidly in low fields (<1 kOe) and reaches the maximum values of 300-400×10-6 at 16 kOe for x=30-40. These results suggest that Sm-Fe thin films could be used for microactuators. The magnetic properties of Sm-Fe thin films do not show clear dependence on the sputtering conditions, such as input power, Ar gas pressure, and substrate temperature

Published in:

IEEE Transactions on Magnetics  (Volume:29 ,  Issue: 6 )