Hall effect in FeAg granular alloys

We have investigated the field dependence of extraordinary Hall coefficient R s and resistivity ρ in FeAg granular alloys. We found a deviation from the linear scaling relation between R s ( H )/ ρ ( H ) and ρ ( H ) in agreement with the results reported for Co-based granular alloys, suggesting that the deviation from the linear scaling relation is common to granular systems.