Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9
The uniaxial chiral magnetic material YbNi3Al9 is proposed as a host for a chiral soliton lattice (CSL). In this study, we thoroughly investigate the spin dynamics in YbNi3Al9 single crystals using magnetization (M)-relaxation and electron spin resonance (ESR) techniques. The M-relaxation analysis c...
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Elsevier
2025-08-01
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| Series: | Results in Physics |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S221137972500230X |
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| author | Yamei Wang Haonan Jin Jiefeng Cao Rui Yu Junqin Li Wei Tong Junmin Xu Fangyuan Zhu Yong Wang Lei Zhang Renzhong Tai |
| author_facet | Yamei Wang Haonan Jin Jiefeng Cao Rui Yu Junqin Li Wei Tong Junmin Xu Fangyuan Zhu Yong Wang Lei Zhang Renzhong Tai |
| author_sort | Yamei Wang |
| collection | DOAJ |
| description | The uniaxial chiral magnetic material YbNi3Al9 is proposed as a host for a chiral soliton lattice (CSL). In this study, we thoroughly investigate the spin dynamics in YbNi3Al9 single crystals using magnetization (M)-relaxation and electron spin resonance (ESR) techniques. The M-relaxation analysis clearly reveals characteristics of a nonequilibrium CSL in YbNi3Al9. A prolonged relaxation is observed in the highly-nonlinear-CSL state, indicating nonequilibrium spin dynamics during the annihilation or nucleation of chiral magnetic solitons, consistent with the unfrustrated magnetic cluster model. The ESR study shows significant microwave responses when the magnetic field is applied perpendicular to the c-axis (H⊥c), while a weak response is observed when the field is aligned with the c-axis (H//c). Two resonance lines are identified for H⊥c. The resonance signal at lower fields is attributed to the Goldstone excitation of chiral magnetic solitons, while the signal at higher fields is associated with ferromagnetic resonance. These findings enhance our understanding of the nonequilibrium spin dynamics of the CSL in YbNi3Al9 single crystals and are beneficial for the application of chiral magnetic solitons in spintronics. |
| format | Article |
| id | doaj-art-d3082e84fca1414a823b6fcb8ff68b40 |
| institution | Kabale University |
| issn | 2211-3797 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Elsevier |
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| series | Results in Physics |
| spelling | doaj-art-d3082e84fca1414a823b6fcb8ff68b402025-08-20T03:45:03ZengElsevierResults in Physics2211-37972025-08-017510833610.1016/j.rinp.2025.108336Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9Yamei Wang0Haonan Jin1Jiefeng Cao2Rui Yu3Junqin Li4Wei Tong5Junmin Xu6Fangyuan Zhu7Yong Wang8Lei Zhang9Renzhong Tai10Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China; University of Chinese Academy of Sciences, Beijing 100049, China; Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, ChinaSchool of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, ChinaShanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, ChinaShanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, ChinaShanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, ChinaAnhui Key Laboratory of Low-Energy Quantum Materials and Devices, High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, ChinaKey Laboratory of Materials Physics, Ministry of Education, School of Physics, Zhengzhou University, Zhengzhou 450001, ChinaShanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China; Corresponding authors.Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China; Corresponding authors.Anhui Key Laboratory of Low-Energy Quantum Materials and Devices, High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; Corresponding authors.Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, ChinaThe uniaxial chiral magnetic material YbNi3Al9 is proposed as a host for a chiral soliton lattice (CSL). In this study, we thoroughly investigate the spin dynamics in YbNi3Al9 single crystals using magnetization (M)-relaxation and electron spin resonance (ESR) techniques. The M-relaxation analysis clearly reveals characteristics of a nonequilibrium CSL in YbNi3Al9. A prolonged relaxation is observed in the highly-nonlinear-CSL state, indicating nonequilibrium spin dynamics during the annihilation or nucleation of chiral magnetic solitons, consistent with the unfrustrated magnetic cluster model. The ESR study shows significant microwave responses when the magnetic field is applied perpendicular to the c-axis (H⊥c), while a weak response is observed when the field is aligned with the c-axis (H//c). Two resonance lines are identified for H⊥c. The resonance signal at lower fields is attributed to the Goldstone excitation of chiral magnetic solitons, while the signal at higher fields is associated with ferromagnetic resonance. These findings enhance our understanding of the nonequilibrium spin dynamics of the CSL in YbNi3Al9 single crystals and are beneficial for the application of chiral magnetic solitons in spintronics.http://www.sciencedirect.com/science/article/pii/S221137972500230XSpin dynamicsSpin relaxationChiral soliton latticeYbNi3Al9Electronic spin resonance |
| spellingShingle | Yamei Wang Haonan Jin Jiefeng Cao Rui Yu Junqin Li Wei Tong Junmin Xu Fangyuan Zhu Yong Wang Lei Zhang Renzhong Tai Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9 Results in Physics Spin dynamics Spin relaxation Chiral soliton lattice YbNi3Al9 Electronic spin resonance |
| title | Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9 |
| title_full | Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9 |
| title_fullStr | Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9 |
| title_full_unstemmed | Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9 |
| title_short | Nonequilibrium spin dynamics in the chiral soliton lattice host YbNi3Al9 |
| title_sort | nonequilibrium spin dynamics in the chiral soliton lattice host ybni3al9 |
| topic | Spin dynamics Spin relaxation Chiral soliton lattice YbNi3Al9 Electronic spin resonance |
| url | http://www.sciencedirect.com/science/article/pii/S221137972500230X |
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