Abstract
Giant magneto-impedance (MI) effect has been observed in amorphous magnetostrictive FeSiB thin films with the transverse magnetic anisotropy induced by applying a magnetic field of 800 Oe during deposition. The MI effect is enhanced with increasing film thickness, and the maximum MI ratio reaches 5.4% for the films with 2.7 μm in thickness at 40 MHz. Experimental results show that the magnetic anisotropy in FeSiB films plays an important role in large MI effect.
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