Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate

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Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate. / Ukleev, Victor; Utesov, Oleg; Yu, Le; Luo, Chen; Chen, Kai; Radu, Florin; Yamasaki, Yuichi; Kanazawa, Naoya; Tokura, Yoshinori; Arima, Taka Hisa; White, Jonathan S.

In: Physical Review Research, Vol. 3, No. 1, 013094, 29.01.2021.

Research output: Contribution to journal › Article › peer-review

Author

Ukleev, Victor ; Utesov, Oleg ; Yu, Le ; Luo, Chen ; Chen, Kai ; Radu, Florin ; Yamasaki, Yuichi ; Kanazawa, Naoya ; Tokura, Yoshinori ; Arima, Taka Hisa ; White, Jonathan S. / Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate. In: Physical Review Research. 2021 ; Vol. 3, No. 1.

BibTeX

@article{c3b296967a7540e2a0e35cb90734fb96,

title = "Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate",

abstract = "We investigated the low-temperature helical magnetic structures in a thin plate of chiral magnet FeGe, paying special attention to the variation of the magnetic modulation period with the angle of an applied magnetic field. A unique vector-field setup allowed us to continuously rotate the helical texture in the sample plane while measuring high-resolution resonant small-angle x-ray scattering patterns. The experiments and supporting micromagnetic simulations show that the direction of helical propagation can be robustly controlled by directional magnetic field training. The observed anisotropy of the helical modulation period is explained naturally by inclusion of higher-order anisotropic exchange in the Bak-Jensen model. The observation and estimation of this interaction provides a pathway to refine theoretical models of cubic chiral magnets and design spintronics devices based on the propagation switching of helical textures.",

keywords = "MAGNETIC-STRUCTURES, SKYRMION LATTICE, DYNAMICS, TRANSITIONS",

author = "Victor Ukleev and Oleg Utesov and Le Yu and Chen Luo and Kai Chen and Florin Radu and Yuichi Yamasaki and Naoya Kanazawa and Yoshinori Tokura and Arima, {Taka Hisa} and White, {Jonathan S.}",

note = "Publisher Copyright: {\textcopyright} 2021 authors. Published by the American Physical Society.",

year = "2021",

month = jan,

day = "29",

doi = "10.1103/PhysRevResearch.3.013094",

language = "English",

volume = "3",

journal = "Physical Review Research",

issn = "2643-1564",

publisher = "American Physical Society",

number = "1",

}

RIS

TY - JOUR

T1 - Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate

AU - Ukleev, Victor

AU - Utesov, Oleg

AU - Yu, Le

AU - Luo, Chen

AU - Chen, Kai

AU - Radu, Florin

AU - Yamasaki, Yuichi

AU - Kanazawa, Naoya

AU - Tokura, Yoshinori

AU - Arima, Taka Hisa

AU - White, Jonathan S.

PY - 2021/1/29

Y1 - 2021/1/29

N2 - We investigated the low-temperature helical magnetic structures in a thin plate of chiral magnet FeGe, paying special attention to the variation of the magnetic modulation period with the angle of an applied magnetic field. A unique vector-field setup allowed us to continuously rotate the helical texture in the sample plane while measuring high-resolution resonant small-angle x-ray scattering patterns. The experiments and supporting micromagnetic simulations show that the direction of helical propagation can be robustly controlled by directional magnetic field training. The observed anisotropy of the helical modulation period is explained naturally by inclusion of higher-order anisotropic exchange in the Bak-Jensen model. The observation and estimation of this interaction provides a pathway to refine theoretical models of cubic chiral magnets and design spintronics devices based on the propagation switching of helical textures.

AB - We investigated the low-temperature helical magnetic structures in a thin plate of chiral magnet FeGe, paying special attention to the variation of the magnetic modulation period with the angle of an applied magnetic field. A unique vector-field setup allowed us to continuously rotate the helical texture in the sample plane while measuring high-resolution resonant small-angle x-ray scattering patterns. The experiments and supporting micromagnetic simulations show that the direction of helical propagation can be robustly controlled by directional magnetic field training. The observed anisotropy of the helical modulation period is explained naturally by inclusion of higher-order anisotropic exchange in the Bak-Jensen model. The observation and estimation of this interaction provides a pathway to refine theoretical models of cubic chiral magnets and design spintronics devices based on the propagation switching of helical textures.

KW - MAGNETIC-STRUCTURES

KW - SKYRMION LATTICE

KW - DYNAMICS

KW - TRANSITIONS

UR - http://www.scopus.com/inward/record.url?scp=85107868633&partnerID=8YFLogxK

U2 - 10.1103/PhysRevResearch.3.013094

DO - 10.1103/PhysRevResearch.3.013094

M3 - Article

AN - SCOPUS:85107868633

VL - 3

JO - Physical Review Research

JF - Physical Review Research

SN - 2643-1564

IS - 1

M1 - 013094

ER -

ID: 87315580