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Correlation stabilized ferromagnetic MnRuAs with distorted kagome lattice by C, Anusree; Ptok, Andrzej; Sobieszczyk, Paweł; Vaitheeswaran, G.; Kanchana, V. is a scholarly article available to read on EtoBox.

What is Correlation stabilized ferromagnetic MnRuAs with distorted kagome lattice about?

We present an in-depth analysis of MnRuAs, a compound crystallizing in the P$\bar{6}$2m symmetry with a distorted kagome lattice, revealing its distinctive structural, magnetic, and electronic properties through state-of-the-art ab initio calculations. By incorporating strong correlation effects using the DFT+U approach, we demonstrate the stabilization of MnRuAs, transforming its inherent dynamical instability into a robust ferromagnetic state with significant coupling along the $c$ axis. The calculated magnon dispersion reveals a parabolic profile with a minimum at the $\Gamma$ point, indicative of ferromagnetic behavior. Furthermore, MnRuAs exhibits intriguing electronic properties, including quasi-one-dimensional Fermi surface and the formation of nodal sphere. Our study also delves into the electronic surface states and constant energy contours, offering valuable insights into the complex physics of this material.

Author

C, Anusree; Ptok, Andrzej; Sobieszczyk, Paweł; Vaitheeswaran, G.; Kanchana, V.

Published

2025

Language

EN