The relationship between field-cooled and zero-field-cooled susceptibilities of some ordered magnetic systems
P. A. Joy(National Chemical Laboratory), P. S. Anil Kumar(National Chemical Laboratory), S. K. Date(National Chemical Laboratory)
Cited by 254
Abstract
Analysis of the irreversible field-cooled (FC) and the zero-field-cooled (ZFC) magnetic susceptibilities of one ferrimagnetic and three ferromagnetic systems, measured at different applied magnetic fields, shows that the irreversibility indicated by the difference between the FC and the ZFC susceptibilities arises from magnetic anisotropy. The two susceptibilities are related to each other through the coercivity which is a measure of the anisotropy. The ZFC susceptibility can be calculated from the FC susceptibility (or vice versa) and the coercivity.
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