What is it about?
The magnetism in the inherently nanolaminated ternary MAX-phase Cr2GeC is investigated by element-selective, polarization and temperature-dependent, soft X-ray absorption spectroscopy and X-ray magnetic circular dichroism.
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Why is it important?
The measurements indicate an antiferro-magnetic Cr-Cr coupling along the c-axis of the hexagonal structure modulated by a ferromagnetic ordering in the nanolaminated ab-basal planes.
Perspectives
As shown in this work, this spin distortion generates an overall residual spin moment inside the unit cell resembling that of a ferri-magnet. Due to the different competing magnetic interactions, electron correlations and temperature effects both need to be considered to achieve a correct theoretical description of the Cr2GeC magnetic properties.
Associate Prof. Martin Magnuson
Department of Physics, Chemistry and Biology (IFM)
Read the Original
This page is a summary of: Magnetic anisotropy in Cr2GeC investigated by X-ray magnetic circular dichroism and ab initio calculations, Journal of Magnetism and Magnetic Materials, May 2020, Elsevier,
DOI: 10.1016/j.jmmm.2020.166470.
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