Spin-glass behavior in La(Fe1-xMnx)11.4Si1.6 compounds (original) (raw)

Physical Review B, 2004

Abstract

The magnetic properties of La(Fe1-xMnx)11.4Si1.6 (0<=x<=0.08) compounds were investigated. A reentrant spin glass behavior for the sample with x=0.06 and a paramagnetic-to-spin glass transition for the sample with x=0.08 were observed. The spin-glass behavior for the sample with x=0.08 was systematically studied by the dc and ac measurements. DeltaTf(omega)/[Tf(omega)Delta log10 omega], a possible distinguishing criterion to assert the presence of

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