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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Main Authors: Yamei Wang, Haonan Jin, Jiefeng Cao, Rui Yu, Junqin Li, Wei Tong, Junmin Xu, Fangyuan Zhu, Yong Wang, Lei Zhang, Renzhong Tai
Format: Article
Language:English
Published: Elsevier 2025-08-01
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.
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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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