Engineering Curvature-Induced Anisotropy in Thin Ferromagnetic Films

Oleg A. Tretiakov, Massimiliano Morini, Sergiy Vasylkevych, Valeriy Slastikov

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


We investigate the effect of large curvature and dipolar energy in thin ferromagnetic films with periodically modulated top and bottom surfaces on magnetization behavior. We predict that the dipolar interaction and surface curvature can produce perpendicular anisotropy which can be controlled by engineering special types of periodic surface structures. Similar effects can be achieved by a significant surface roughness in the film. We demonstrate that, in general, the anisotropy can point in an arbitrary direction depending on the surface curvature. Furthermore, we provide simple examples of these periodic surface structures to show how to engineer particular anisotropies in thin films.

Original languageEnglish
Article number077203
JournalPhysical review letters
Issue number7
Publication statusPublished - 2017 Aug 17

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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