Nonuniform Micromagnetic States in Thin Permalloy Disk

Zung Hang Wei, Mei Feng Lai, Ching Ray Chang, N. A. Usov, J. C. Wu, Jun Yang Lai

研究成果: Article

3 引文 斯高帕斯(Scopus)


As the diameter of the permalloy thin film becomes larger than some critical size, the quasiuniform state turns out to be unstable and transforms to a new nonuniform state. As the particle's diameter increases, the magnetization curvature increases gradually so that the average magnetization of this new nonuniform state decreases. Finally, when the diameter is larger than another critical size, the new nonuniform state becomes unstable, and a vortex enters the particle. Therefore, the presence of the new nonuniform state plays an intermediate role in the evolution from the quasiuniform state to the vortex state as the diameter increases.

頁(從 - 到)2675-2677
期刊IEEE Transactions on Magnetics
發行號5 II
出版狀態Published - 2003 九月 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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    Wei, Z. H., Lai, M. F., Chang, C. R., Usov, N. A., Wu, J. C., & Lai, J. Y. (2003). Nonuniform Micromagnetic States in Thin Permalloy Disk. IEEE Transactions on Magnetics, 39(5 II), 2675-2677.