Controlling avalanche soliton nucleation in a chiral soliton lattice on a monoaxial chiral magnet CrNb3S6by dynamic strain

M. Ohkuma, M. Mito, Y. Kousaka, J. Akimitsu, J. Kishine, K. Inoue

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The monoaxial chiral magnet CrNb 3 S 6 exhibits a chiral soliton lattice (CSL) upon application of an external magnetic field (H) perpendicular to the helical axis (c-axis). The increase in the soliton (kink) number of the CSL in the process of decreasing H accompanies soliton penetration after nucleation at the surface. Avalanche soliton nucleation occurs during the initial process of soliton nucleation. We applied dynamic strain with scores of MHz to the crystal with the crystal size along the c-axis of 10 μm from the edge of the c-axis, so that we controlled the avalanche soliton nucleation by modifying the surface barrier. The present results suggest that the acoustic wave is useful for controlling the soliton number.

    Original languageEnglish
    Article number132404
    JournalApplied Physics Letters
    Volume118
    Issue number13
    DOIs
    Publication statusPublished - Mar 29 2021

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)

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