Abstract
Results of zero field-, magneto-, and Hall resistivity measurements on amorphous Pd 77.5- x Cu 6Si 16.5Fe x splats ( x⩽10 at% Fe, 0.3 K ⩽ T ⩽ 300 K, B ⩽ 5 T) are reported and compared with the magnetic properties of the same samples, previously investigated. The zero field resistivity consists of magnetic and nonmagnetic contributions depending on x but not significantly changing with T near either a ferromagnetic or a spin glass transition at T c and T f, respectively. For low external fields, the Hall- and the magnetoresistivity of a 5 at% Fe-spin glass alloy are closely correlated to the magnetization. They exhibit a maximum and a minimum, respectively, at T f and magnetic hysteresis below T f. The magnetoresistivity of a 10 at% Fe-reentrant ferromagnet has another minimum at T c due to a positive contribution characterizing long range ferromagnetic order.
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