Abstract
The Hall resistivity of amorphous FexNi80-xB18Si2 alloys (x=0, 5, 8, 10, 12 and 15) has been measured in the paramagnetic region. Except for x=0 these alloys are ferromagnetic with Curie temperatures TC<or=316K. For the separation of the normal and anomalous Hall coefficients the authors also measured the field and temperature dependence of the magnetisation in the corresponding temperature interval. The normal Hall coefficient R0=-(1+or-0.1)*10-10 m3 A-1 s-1 was roughly independent of x. The anomalous Hall coefficient Rs was positive, a factor of one hundred bigger, and it increased with x. The results for R0 and Rs are compared with those for similar systems and discussed in terms of the recent theoretical models.
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