NMR Determination of the Low-Field Magnetic Structure of the Cu-Based Mineral Rouaite Cu$_2$(OH)$_3$NO$_3$
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866912997407981568 |
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| author | Niwata, Issei Kumar, R. Chakkingal, Aswathi Mannathanath Kulbakov, Anton A. Avdeev, Maxim Inosov, Dmytro S. Peets, Darren C. Ihara, Yoshihiko |
| author_facet | Niwata, Issei Kumar, R. Chakkingal, Aswathi Mannathanath Kulbakov, Anton A. Avdeev, Maxim Inosov, Dmytro S. Peets, Darren C. Ihara, Yoshihiko |
| contents | Frustrated interactions in the Cu-based mineral rouaite with alternating antiferromagnetic and ferromagnetic spin chains, Cu$_2$(OH)$_3$NO$_3$, introduce non-trivial magnetic ground states and exotic excitations arising from them. We investigated the magnetic structure of Cu$_2$(OH)$_3$NO$_3$ by $^1$H- and $^2$H-NMR measurements on single crystals. The internal fields in the ordered state were microscopically measured using the H nuclear moments as a local probe. The directions of the ordered moments were determined by comparing the experimental results to model calculations. The obtained magnetic structure suggests the importance of Dzyaloshinskii-Moriya interactions in stabilizing the low-field magnetic structure. The present result advances the theoretical understanding of the low-field magnetic states and will enable exploration of the exotic magnetic states emerging in high magnetic fields. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_01693 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | NMR Determination of the Low-Field Magnetic Structure of the Cu-Based Mineral Rouaite Cu$_2$(OH)$_3$NO$_3$ Niwata, Issei Kumar, R. Chakkingal, Aswathi Mannathanath Kulbakov, Anton A. Avdeev, Maxim Inosov, Dmytro S. Peets, Darren C. Ihara, Yoshihiko Strongly Correlated Electrons Frustrated interactions in the Cu-based mineral rouaite with alternating antiferromagnetic and ferromagnetic spin chains, Cu$_2$(OH)$_3$NO$_3$, introduce non-trivial magnetic ground states and exotic excitations arising from them. We investigated the magnetic structure of Cu$_2$(OH)$_3$NO$_3$ by $^1$H- and $^2$H-NMR measurements on single crystals. The internal fields in the ordered state were microscopically measured using the H nuclear moments as a local probe. The directions of the ordered moments were determined by comparing the experimental results to model calculations. The obtained magnetic structure suggests the importance of Dzyaloshinskii-Moriya interactions in stabilizing the low-field magnetic structure. The present result advances the theoretical understanding of the low-field magnetic states and will enable exploration of the exotic magnetic states emerging in high magnetic fields. |
| title | NMR Determination of the Low-Field Magnetic Structure of the Cu-Based Mineral Rouaite Cu$_2$(OH)$_3$NO$_3$ |
| topic | Strongly Correlated Electrons |
| url | https://arxiv.org/abs/2603.01693 |