Local-moment magnetism in Mn-based pnictides
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918179327967232 |
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| author | Crispino, Matteo Witt, Niklas Gorni, Tommaso Sangiovanni, Giorgio Medici, Luca de' |
| author_facet | Crispino, Matteo Witt, Niklas Gorni, Tommaso Sangiovanni, Giorgio Medici, Luca de' |
| contents | We report a comprehensive study of electronic-correlation effects in Manganese-based antiferromagnetic pnictides BaMn$_2$Pn$_2$ (Pn=P,As,Sb,Bi). Our density functional theory plus slave-spin mean-field simulations indicate that all the compounds lie on the strong-coupling side of an itinerant-to-localized moment crossover, corresponding to the critical interaction strength for the Mott transition in the high-temperature paramagnetic phase. We also show that the experimental Néel temperature of each compound scales with the distance from this crossover. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_26595 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Local-moment magnetism in Mn-based pnictides Crispino, Matteo Witt, Niklas Gorni, Tommaso Sangiovanni, Giorgio Medici, Luca de' Strongly Correlated Electrons We report a comprehensive study of electronic-correlation effects in Manganese-based antiferromagnetic pnictides BaMn$_2$Pn$_2$ (Pn=P,As,Sb,Bi). Our density functional theory plus slave-spin mean-field simulations indicate that all the compounds lie on the strong-coupling side of an itinerant-to-localized moment crossover, corresponding to the critical interaction strength for the Mott transition in the high-temperature paramagnetic phase. We also show that the experimental Néel temperature of each compound scales with the distance from this crossover. |
| title | Local-moment magnetism in Mn-based pnictides |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2510.26595 |