Hysteresis and relaxation of hard–soft nanocomposite samples.

Autor: Gonza´lez, J. M., Montero, M. I., Crespo, P., Marı´n, P., Hernando, A.
Předmět:
Zdroj: Journal of Applied Physics; 5/1/2000, Vol. 87 Issue 9, p4759, 3p
Abstrakt: 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 x=0.7) and a minimum at x=0.5. These results are discussed in terms of the dipolar coupling between both phases.© 2000 American Institute of Physics. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index