1. Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures.
- Author
-
Kejing Ran, Yizhou Liu, Yao Guang, Burn, David M., Laan, Gerrit van der, Hesjedal, Thorsten, Haifeng Du, Guoqiang Yu, and Shilei Zhang
- Subjects
- *
HETEROSTRUCTURES , *ELASTIC scattering , *X-ray scattering , *SKYRMIONS , *PHASE diagrams , *MAGNETIZATION - Abstract
A chiral bobber is a localized three-dimensional magnetization configuration, terminated by a singularity. Chiral bobbers coexist with magnetic skyrmions in chiral magnets, lending themselves to new types of skyrmion-complementary bits of information. However, the on-demand creation of bobbers, as well as their direct observation remained elusive. Here, we introduce a new mechanism for creating a stable chiral bobber lattice state via the proximity of two skyrmion species with comparable size. This effect is experimentally demonstrated in a Cu2OSeO3/[Ta/CoFeB/MgO]4 heterostructure in which an exotic bobber lattice state emerges in the phase diagram of Cu2OSeO3. To unambiguously reveal the existence of the chiral bobber lattice state, we have developed a novel characterization technique, magnetic truncation rod analysis, which is based on resonant elastic x-ray scattering. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF