journal article·2011-06

XAS and XMCD studies of amorphous FeCo-based ribbons

Sanjeev Gautam, Shanshank N. Kane, B.–G. Park, J.–Y. Kim, L.K. Varga, J.–H. Song, Keun Hwa Chae

Journal of Non-Crystalline Solids· Volume 357· Issue 11-13
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Abstract

This paper reports x-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism (XMCD) studies at Fe L 3,2 and Co L 3,2-edges to investigate the electronic structure of (Fe 100 − xCo x) 78Si 9Nb 3B 9Cu 1 (0 < x < 95) alloys. The influence of controlled Co addition on electronic structural and magnetic properties of (Fe 100 − xCo x) 78Si 9Nb 3B 9Cu 1 (x = 0, 20, 40, and 60) alloys has been investigated and it has been observed that Co exists as Co 2+/Co 3+, while Fe exists as a mixture of Fe 0 (metallic) and Fe 2+ . The XMCD studies confirm these results and reveal that Co-ions are responsible for the room temperature ferromagnetism (RTFM) in the system, while at Fe L 3,2 -edge it shows a diamagnetic behavior.
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Research context

OpenAlex topics: Metallic Glasses and Amorphous Alloys · Magnetic Properties of Alloys · Magnetic properties of thin films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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