Behavior of the magnetic structures of the magnetic fluid film under tilted magnetic fields

H. C. Yang, I. J. Jang, H. E. Horng, J. M. Wu, Y. C. Chiou, Chin Yih Hong

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    The patterns of the magnetic structure of the magnetic fluid thin film under tilted magnetic fields were taken to investigate the behavior of magnetic structures. The tilted angle θ is the angle between the direction of applied magnetic field and the normal line of the film. In our previous work, a nearly perfect ordered hexagonal structure in magnetic fluid thin film was obtained when a perpendicular magnetic field (θ = 0) was applied. By increasing θ, each column in the hexagonal structure gradually tilted to reveal a lattice of segments instead of dots on the pattern with an unchanged lattice distance d. As θ exceeding a critical value θc, these segments began to form longer periodic chains with an abrupt increasing of d. Hence, a transition from the magnetic hexagonal structure to a periodic chain structure at θc existed for magnetic fluid thin film in which the θc decreases exponentially as the sweeping rate increases.

    Original languageEnglish
    Pages (from-to)313-316
    Number of pages4
    JournalJournal of Magnetism and Magnetic Materials
    Volume201
    Issue number1-3
    DOIs
    Publication statusPublished - 1999 Jul

    Keywords

    • Magnetic fluid
    • Ordered structures
    • Thin films
    • Tilted magnetic field

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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