Abstract

Inverse magnetic susceptibility χ−1 has been measured as a function of temperature for five alloys in the series (Fe1−xCox)2P. Short range magnetic order above the Curie temperature in the studied alloys was observed. Paramagnetic moments have been obtained using χ−1–T curves. These are much larger than saturation moments showing dominance of the itinerant nature of magnetism. The degree of itinerancy is smaller in the orthorhombic phase than in the hexagonal phase. Substitution of Co causes magnetization to monotonically decrease. Anisotropy drops in the hexagonal phase with increasing Co but in the orthorhombic phase it again progressively increases.

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