Electrical Resistivities of FexNi80-xB18Si2 Alloys
Electrical resistivities (ρ) of several amorphous FexNi80-xB18Si2 alloys have been measured from 1.5–450 K. The Curie (Tc) and crystallization temperatures (Tx) have also been determined from the thermogravimetric analysis and dρ/dT values. The magnetic properties of these alloys change from nonmagnetic (x = 0) to ferromagnetic (x ≥ 10).In all the alloys a resistance minimum appears at low temperatures. Above the minimum resistivity varies as T3/2. This variation agrees with the recent predictions for amorphous ferromagnets.
KeywordsElectrical Resistivity Curie Temperature Metallic Glass Resistivity Variation Resistance Minimum
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