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Issue 106, 2016, Issue in Progress
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Anomalous Hall effect in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state

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Abstract

We report observed anomalous Hall effect (AHE) behavior in the antiperovskite compound GeNFe3 with a tetragonal symmetry. The anomalous Hall coefficient RH was estimated and exhibits a broad peak near the ferromagnetic (FM)–paramagnetic (PM) phase transition, and reduces to zero in the PM phase. The sign of the ordinary Hall coefficient R0 changes sharply as a function of temperature, which provides evidence for the switching of different domain carriers. The relationship between the RH and ρxx data was also plotted using the scaling law RH = xx0 + xxγ, and the parameter γ is found to be about 0.99. These results suggest that the mechanism of the AHE for tetragonal GeNFe3 is mainly due to skew scattering. This finding enriches the understanding of the AHE mechanism for antiperovskite compounds, and the unusual mechanism for GeNFe3 is considered to be closely related to the unique tetragonal crystal structure and frustrated FM ground state of antiperovskite compounds.

Graphical abstract: Anomalous Hall effect in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state

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Publication details

The article was received on 20 Jun 2016, accepted on 17 Oct 2016 and first published on 17 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA15976A
Citation: RSC Adv., 2016,6, 104433-104437
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    Anomalous Hall effect in tetragonal antiperovskite GeNFe3 with a frustrated ferromagnetic state

    X. C. Kan, B. S. Wang, L. Zu, S. Lin, J. C. Lin, P. Tong, W. H. Song and Y. P. Sun, RSC Adv., 2016, 6, 104433
    DOI: 10.1039/C6RA15976A

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