Vortex Mode of Magnetization Reversal in Nano Dot Magnetic Permalloy


  • Dini Wulansari Universitas Sebelas Maret
  • F Rohmah Universitas Sebelas Maret
  • Utari Utari Universitas Sebelas Maret
  • B Purnama Universitas Sebelas Maret




Vortex, Magnetization reversal, Nano dot , Permalloy, Micromagnetic simulation


Micromagnetic simulations are used to evaluate a minimum of external field needed to switch assisted by vortex. Nano dot magnetic studied has a size 100 x 50 x 60 nm was assumed to be a nano-sized magnetic permalloy. The initial conditions in the form of vortex are simulated by providing a nano second pulse duration of magnetic field. Then the initial condition used to evaluate a minimum switching field require for magnetization process.  The results of the simulation show that the reduced magnetic switching up to 46.8 percent compared with conventional magnetization.


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