Universal whirling magnetic orders in non-Heisenberg Tsai-type quasicrystal approximants
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arXiv
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| Auteurs principaux: | , , , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866918287876554752 |
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| author | Labib, Farid Nawa, Kazuhiro Nambu, Yusuke Takakura, Hiroyuki Ikeda, Yoichi Deguchi, Kazuhiko Matsuura, Masato Ishikawa, Asuka Kajimoto, Ryoichi Ikeuchi, Kazuhiko Sato, Taku J. Tamura, Ryuji |
| author_facet | Labib, Farid Nawa, Kazuhiro Nambu, Yusuke Takakura, Hiroyuki Ikeda, Yoichi Deguchi, Kazuhiko Matsuura, Masato Ishikawa, Asuka Kajimoto, Ryoichi Ikeuchi, Kazuhiko Sato, Taku J. Tamura, Ryuji |
| contents | Magnetic orders of non-Heisenberg Tsai-type 1/1 approximant crystals (ACs) in the Au-Ga-Dy system were studied through bulk magnetization, neutron diffraction, and inelastic neutron scattering techniques. The results uncovered noncoplanar, ferromagnetic (FM) and antiferromagnetic (AFM) spin configurations whirling along [111] crystallographic axis, which is analogous to those observed in the Tb- and Ho-contained counterparts. The crystal electric field excitations similar to those in the Tb-based counterpart are also observed indicating the strong Ising-like magnetic anisotropy. These comprehensive experiments and analyses have revealed the existence of a universal mechanism that stabilizes noncoplanar FM and AFM structures in non-Heisenberg Tsai-type ACs, independent of the rare-earth species (Tb, Dy, Ho); FM intra-cluster interactions and strong Ising-like anisotropy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_01517 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Universal whirling magnetic orders in non-Heisenberg Tsai-type quasicrystal approximants Labib, Farid Nawa, Kazuhiro Nambu, Yusuke Takakura, Hiroyuki Ikeda, Yoichi Deguchi, Kazuhiko Matsuura, Masato Ishikawa, Asuka Kajimoto, Ryoichi Ikeuchi, Kazuhiko Sato, Taku J. Tamura, Ryuji Strongly Correlated Electrons Materials Science Quantum Physics Magnetic orders of non-Heisenberg Tsai-type 1/1 approximant crystals (ACs) in the Au-Ga-Dy system were studied through bulk magnetization, neutron diffraction, and inelastic neutron scattering techniques. The results uncovered noncoplanar, ferromagnetic (FM) and antiferromagnetic (AFM) spin configurations whirling along [111] crystallographic axis, which is analogous to those observed in the Tb- and Ho-contained counterparts. The crystal electric field excitations similar to those in the Tb-based counterpart are also observed indicating the strong Ising-like magnetic anisotropy. These comprehensive experiments and analyses have revealed the existence of a universal mechanism that stabilizes noncoplanar FM and AFM structures in non-Heisenberg Tsai-type ACs, independent of the rare-earth species (Tb, Dy, Ho); FM intra-cluster interactions and strong Ising-like anisotropy. |
| title | Universal whirling magnetic orders in non-Heisenberg Tsai-type quasicrystal approximants |
| topic | Strongly Correlated Electrons Materials Science Quantum Physics |
| url | https://arxiv.org/abs/2503.01517 |