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Anomalous metamagnetic-like transition in a FeRh/Fe3Pt interface occurring at T ≈ 120 K in the field-cooled-cooling curves for low magnetic fields
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FIG. 1.

Low angle XRD of the FeRh face. The Inset shows X-ray diffractions of Fe3Pt and FeRh-Fe3Pt films. Perpendicular bars appearing below XRD in the main figure and its inset represent the peaks resolved for each correspondent structure.

Image of FIG. 2.

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FIG. 2.

Magnetisation curves for H = 100 Oe for Fe3Pt and FeRh-Fe3Pt films. The inset shows a plot of M fch -M zfc vs. T as obtained for each compound.

Image of FIG. 3.

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FIG. 3.

Magnetisation curves as obtained for the FeRh-Fe3Pt film for: (a) 100 Oe; (b) 1 kOe; (c) 10 kOe.

Image of FIG. 4.

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FIG. 4.

(a) Isothermal Mvs.H curves obtained at temperatures around 100 K plotted in a 150 Oe window. The inset shows the original Mvs.H curves; (b) Isothermal Mvs.H curves obtained for several temperatures around 250 K.

Image of FIG. 5.

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FIG. 5.

Magnetisation curves as obtained for the FeRh-Fe3Pt film for 100 Oe with 4 months delay.

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/content/aip/journal/adva/2/3/10.1063/1.4754154
2012-09-13
2014-04-19

Abstract

We report on the magnetic properties of a special configuration of a FeRh thin film. An anomalous behavior on the magnetisation vs. temperature was observed when low magnetic fields are applied in the plane of a thin layer of FeRh deposited on ordered Fe3Pt. The anomalous effect resembles a metamagnetictransition and occur only in the field-cooled-cooling magnetisation curve at temperatures near 120 K in samples without any heat treatment.

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Scitation: Anomalous metamagnetic-like transition in a FeRh/Fe3Pt interface occurring at T ≈ 120 K in the field-cooled-cooling curves for low magnetic fields
http://aip.metastore.ingenta.com/content/aip/journal/adva/2/3/10.1063/1.4754154
10.1063/1.4754154
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