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1 Journal of Technical Physics

1 1998

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The magnetoresistance of amorphous ribbon [Fe86Zr7Cu1B6]

Yamaguchi K., Ito M., Isozaki K., Yamada K., Grossinger R.

Journal of Technical Physics

1998

Vol. 39, no 3-4

647-654

The temperature-depedence of resistivity and magnetoresistance for as-cast and annealed samples of amorphous thin ribbons of [Fe86Zr7Cu1B6] have been investigated trouugh the sample by Joule heating. The temperature coefficients of the resistivity show a large difference between the as-cast and Joule heated samples, the effect which originated by the nano-crystallizations. The observed negative magnetoresistance is proportional to the square of the magnetization. The s - d type exchange constant was estimated at J = 0.1 eV, the analysis being based on a model of the conduction carrier scattering by exchange interactions with differntly oriented spins in magnetic domain structures.