Magnetism and magnetoelastic effect in 2D van der Waals multiferroic CuCrP2S6
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866911547292385280 |
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| author | Guo, Jiasen Siebenaller, Ryan P. Susner, Michael A. Yan, Jiaqiang Morgan, Zachary Ye, Feng |
| author_facet | Guo, Jiasen Siebenaller, Ryan P. Susner, Michael A. Yan, Jiaqiang Morgan, Zachary Ye, Feng |
| contents | We report a magnetic and neutron diffraction study on the ground state magnetism and field evolution of single crystal van der Waals multiferroic CuCrP2S6. The ordered moments align along the b axis in the A-type antiferromagnetic configuration with a spin-flop transition along the same direction. Field application along a introduces a smooth transition to a fully-polarized ferromagnetic state via in-plane spin rotation. These findings resolve the ambiguity of the ground state magnetization direction in CuCrP2S6 and uncover its field responses, providing a firm basis for future magnetoelectric study. A magnetoelastic coupling effect connecting the interlayer spacing and the magnetic order was further revealed, highlighting the out-of-plane strain as an effective control knob for tuning magnetism both in this system and in related van der Waals magnets. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_25817 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Magnetism and magnetoelastic effect in 2D van der Waals multiferroic CuCrP2S6 Guo, Jiasen Siebenaller, Ryan P. Susner, Michael A. Yan, Jiaqiang Morgan, Zachary Ye, Feng Strongly Correlated Electrons Materials Science We report a magnetic and neutron diffraction study on the ground state magnetism and field evolution of single crystal van der Waals multiferroic CuCrP2S6. The ordered moments align along the b axis in the A-type antiferromagnetic configuration with a spin-flop transition along the same direction. Field application along a introduces a smooth transition to a fully-polarized ferromagnetic state via in-plane spin rotation. These findings resolve the ambiguity of the ground state magnetization direction in CuCrP2S6 and uncover its field responses, providing a firm basis for future magnetoelectric study. A magnetoelastic coupling effect connecting the interlayer spacing and the magnetic order was further revealed, highlighting the out-of-plane strain as an effective control knob for tuning magnetism both in this system and in related van der Waals magnets. |
| title | Magnetism and magnetoelastic effect in 2D van der Waals multiferroic CuCrP2S6 |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2603.25817 |