High-field NMR study of field-induced states in Pb(TiO)Cu$_4$(PO$_4$)$_4$
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arXiv
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| Autori principali: | , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866913996152504320 |
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| author | Ihara, Y. Kanda, T. Kato, Y. Motome, Y. Matsui, K. Kindo, K. Kohama, Y. Kimura, T. Kimura, K. |
| author_facet | Ihara, Y. Kanda, T. Kato, Y. Motome, Y. Matsui, K. Kindo, K. Kohama, Y. Kimura, T. Kimura, K. |
| contents | The square cupola antiferromagnet Pb(TiO)Cu$_4$(PO$_4$)$_4$ exhibits the intriguing magnetoelectric responses arising from the consecutive change in the magnetic quadrupolar-type configuration of magnetic moments under external magnetic fields higher than 15 T. To clarify the high-field magnetic structures in Pb(TiO)Cu$_4$(PO$_4$)$_4$, an NMR measurement was performed in pulsed fields up to 32.2 T significantly extending the field range accessible by superconducting magnets. The double-peak structure of NMR spectra emerging above 29 T applied along the [001] direction evidences the successive magnetic transitions. The field dependence of NMR spectra was analyzed on the basis of cluster mean-field theory, which allows us to propose possible magnetic structures for the high-field magnetic states. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_12759 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | High-field NMR study of field-induced states in Pb(TiO)Cu$_4$(PO$_4$)$_4$ Ihara, Y. Kanda, T. Kato, Y. Motome, Y. Matsui, K. Kindo, K. Kohama, Y. Kimura, T. Kimura, K. Strongly Correlated Electrons Materials Science The square cupola antiferromagnet Pb(TiO)Cu$_4$(PO$_4$)$_4$ exhibits the intriguing magnetoelectric responses arising from the consecutive change in the magnetic quadrupolar-type configuration of magnetic moments under external magnetic fields higher than 15 T. To clarify the high-field magnetic structures in Pb(TiO)Cu$_4$(PO$_4$)$_4$, an NMR measurement was performed in pulsed fields up to 32.2 T significantly extending the field range accessible by superconducting magnets. The double-peak structure of NMR spectra emerging above 29 T applied along the [001] direction evidences the successive magnetic transitions. The field dependence of NMR spectra was analyzed on the basis of cluster mean-field theory, which allows us to propose possible magnetic structures for the high-field magnetic states. |
| title | High-field NMR study of field-induced states in Pb(TiO)Cu$_4$(PO$_4$)$_4$ |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2508.12759 |