Spin-lattice entanglement in $\mathbf{CoPS}_3$
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866913925833949184 |
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| author | Mai, Thuc T. McCreary, Amber Garrity, K. F. Dally, Rebecca L. Shah, Sambridhi Chakoumakos, Bryan C. Taj, Md Nasim Afroj Lynn, Jeffrey W. McGuire, Michael A. Conner, Benjamin S. Zebarjadi, Mona Musfeldt, Janice L. Walker, Angela R. Hight Rao, Rahul Susner, Michael A. |
| author_facet | Mai, Thuc T. McCreary, Amber Garrity, K. F. Dally, Rebecca L. Shah, Sambridhi Chakoumakos, Bryan C. Taj, Md Nasim Afroj Lynn, Jeffrey W. McGuire, Michael A. Conner, Benjamin S. Zebarjadi, Mona Musfeldt, Janice L. Walker, Angela R. Hight Rao, Rahul Susner, Michael A. |
| contents | Complex chalcogenides in the $M$PS$_3$ family of materials ($M$ = Mn, Fe, Co, and Ni) display remarkably different phase progressions depending upon the metal center orbital filling, character of the P-P linkage, and size of the van der Waals gap. There is also a stacking pattern and spin state difference between the lighter and heavier transition metal-containing systems that places CoPS$_3$ at the nexus of these activities. Despite these unique properties, this compound is under-explored. Here, we bring together Raman scattering spectroscopy and infrared absorption spectroscopy with X-ray techniques to identify a structural component to the 119 K magnetic ordering transition as well as a remarkable lower temperature set of magnon-phonon pairs that engage in avoided crossings along with a magnetic scattering continuum that correlates with phonon lifetime effects. These findings point to strong spin-phonon entanglement as well as opportunities to control these effects under external stimuli. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_09265 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Spin-lattice entanglement in $\mathbf{CoPS}_3$ Mai, Thuc T. McCreary, Amber Garrity, K. F. Dally, Rebecca L. Shah, Sambridhi Chakoumakos, Bryan C. Taj, Md Nasim Afroj Lynn, Jeffrey W. McGuire, Michael A. Conner, Benjamin S. Zebarjadi, Mona Musfeldt, Janice L. Walker, Angela R. Hight Rao, Rahul Susner, Michael A. Strongly Correlated Electrons Materials Science Complex chalcogenides in the $M$PS$_3$ family of materials ($M$ = Mn, Fe, Co, and Ni) display remarkably different phase progressions depending upon the metal center orbital filling, character of the P-P linkage, and size of the van der Waals gap. There is also a stacking pattern and spin state difference between the lighter and heavier transition metal-containing systems that places CoPS$_3$ at the nexus of these activities. Despite these unique properties, this compound is under-explored. Here, we bring together Raman scattering spectroscopy and infrared absorption spectroscopy with X-ray techniques to identify a structural component to the 119 K magnetic ordering transition as well as a remarkable lower temperature set of magnon-phonon pairs that engage in avoided crossings along with a magnetic scattering continuum that correlates with phonon lifetime effects. These findings point to strong spin-phonon entanglement as well as opportunities to control these effects under external stimuli. |
| title | Spin-lattice entanglement in $\mathbf{CoPS}_3$ |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2506.09265 |