Abstract
The Mössbauer study has been made on the reentrant spin-glass state of Pd 0.881 Fe 0.027 Mn 0.092 and Pd 0.930 Fe 0.015 Mn 0.055 . The anomalous increase of the average hyperfine field \bar H hf , found in some alloys with the reentrant spin-glass transition, was clearly observed below the spin-glass transition temperature T g . This can be explained as freezing of the transverse spin component at T g . From the variation of the Mössbauer absorption intensity ratios with applied field, it has been shown that Fe spins behave partly ferromagnetic and partly like a spin-glass. We consider that this fact is an evidence for the coexistence of the spin-glass and ferromagnetic orderings. A model to explain our results has been proposed. It has been also shown that the spin-glass state is microscopically not much affected by magnetic fields up to 5 kOe, the maximum value examined.
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