Journal
PHYSICAL REVIEW B
Volume 91, Issue 24, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.91.245115
Keywords
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Funding
- Japan Society for the Promotion of Science through Program for Leading Graduate Schools (MERIT)
- JSPS [24226002, 26610098]
- Grants-in-Aid for Scientific Research [26610098] Funding Source: KAKEN
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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.
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