Magnetic annealing effect in amorphous Fe100-xBx and Co100-xBx binary alloys |
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Authors: | T Miyazaki M Takahashi |
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Institution: | Department of Applied Physics, Tohoku University, Sendai 980, Japan |
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Abstract: | The uniaxial magnetic anisotropy induced by magnetic annealing was studied for rapidly quenched amorphous Fe100-xBx (12?x?25) and Co100-xBx (17?x?30) alloys. The value of induced uniaxial anisotropy constant Kui increased with increasing B content from 1 x 103 erg/cm3 at x = 12 to about 4 x 103 erg/cm3 at x = 25 in Fe100-xBx alloy s exhibiting an inflection around x=20. While the value of Kui in Co100-xBx alloys exhibits a maximum of about 6 x 103 erg/cm3 aro round x=20. The compositional dependence of Kui for both alloy systems can be explained roughly by the model of the directiona; occupation of B atom between ferromagnetic atoms. |
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