Publication: Hysteresis and relaxation of hard–soft nanocomposite samples
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2000-05-01
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American Institute of Physics
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Abstract
We present experimental results on the hysteresis and relaxation of Fe/Ba hexaferrite composite samples prepared by ball milling starting from precursor Fe and Ba hexaferrite particles. Our results show that, for maximum applied fields of up to 8 kOe, the measured loops show a shift of up to 85 Oe. The compositional dependence of that loop displacement presents two maxima (at approximately x=0.3 and =0.7) and a minimum at =0.5. These results are discussed in terms of the dipolar coupling between both phases.
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© 2000 American Institute of Physics
Annual Conference on Magnetism and Magnetic Materials (44. 1999. San Jose, California)