Topological Hall effect in thin films of the Heisenberg ferromagnet EuO

Y. Ohuchi, Y. Kozuka, M. Uchida, K. Ueno, A. Tsukazaki, M. Kawasaki

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59 Citations (Scopus)


We report on the topological Hall effect (THE) in centrosymmetric EuO thin films. This THE signal persists down to the lowest temperature in the metallic region below 50 K for the films thinner than 200 nm. The signal rapidly disappears by tilting the applied magnetic field from surface normal, suggestive of noncoplanar spin configuration such as two-dimensional skyrmions. This observation possibly substantiates the theoretical proposal of magnetic skyrmions in 2D Heisenberg ferromagnets in marked contrast to better established B20-type chiral helimagnets.

Original languageEnglish
Article number245115
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number24
Publication statusPublished - 2015 Jun 8


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