Magnetic Structure of Thin Permalloy Films with Interacting Domain Walls


The regularities of the formation of the magnetic structure near the systems of Bloch–Néel domain walls realized in the presence of an external magnetic field have been studied using the example of thin Fe0.25Ni0.75 films. It has been established that when the film is magnetized along the easy axis (EA), a stable quasi-closed distribution of magnetization (a blocked domain structure) is formed near the approaching domain walls. Under the action of a field oriented perpendicular to the EA, the blocked domain structure is transformed into a system of localized domains. A model that substantiates the observed transition is proposed.

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Correspondence to V. P. Panaetov.

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Translated by S. Gorin

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Panaetov, V.P. Magnetic Structure of Thin Permalloy Films with Interacting Domain Walls. Phys. Metals Metallogr. 121, 412–415 (2020).

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  • domain
  • cross-tie domain wall
  • easy axis
  • hard axis