Vorobyova, A.A., Boltalin, A.I., Tsymbarenko, D.M., Morozov, I.V., Vasilchikova, T.M., Gapontsev, V.V., Lyssenko, K.A., Streltsov, S.V., Demishev, S.V., Semeno, A.V. and Volkova, O.S. (2024). Anisotropy of exchange interactions in honeycomb ladder compound ReCl5. [Unpublished manuscript].
This study investigates the magnetic properties and underlying electronic structure of the rhenium pentachloride (ReCl5) compound, focusing on the interplay between spin-orbit coupling and electronic correlations.
The researchers employed a combination of experimental techniques, including X-ray diffraction, specific heat, magnetization, and electron spin resonance (ESR) measurements, along with first-principles density functional theory (DFT) calculations.
ReCl5 represents a unique example of a spin-orbit assisted Mott insulator with closely packed rhenium atoms, exhibiting intriguing magnetic properties due to the interplay of strong spin-orbit coupling and electronic correlations. The anisotropic exchange interactions, leading to a two-step magnetic ordering process, highlight the potential of ReCl5 for further exploration in the context of novel magnetic materials.
This research contributes to the understanding of magnetism in 5d transition metal compounds, particularly in systems with strong spin-orbit coupling and electronic correlations. The identification of ReCl5 as a spin-orbit assisted Mott insulator with anisotropic exchange interactions opens up avenues for exploring novel magnetic phenomena and potential applications in spintronics.
Further investigations, including neutron scattering experiments, are needed to fully elucidate the nature of the two-step magnetic ordering and the role of incommensurate/commensurate magnetic structures. Additionally, exploring the effects of pressure and doping on the magnetic properties of ReCl5 could provide valuable insights into its electronic and magnetic phase diagram.
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by A.A. Vorobyo... at arxiv.org 11-06-2024
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