Real-Space Observation of Short-Period Cubic Lattice of Skyrmions in MnGe.
basic_science · Level V
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- Record sourced from PubMed, PMID 26237493.
- Also identified by DOI 10.1021/acs.nanolett.5b02653.
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Abstract
Three-dimensional forms of skyrmion aggregate, such as a cubic lattice of skyrmions, are anticipated to exist, yet their direct observations remain elusive. Here, we report real-space observations of spin configurations of the skyrmion-antiskyrmion cubic-lattice in MnGe with a very short period (∼3 nm) and hence endowed with the largest skyrmion number density. The skyrmion lattices parallel to the {100} atomic lattices are directly observed using high-resolution Lorentz transmission electron microscopes, simultaneously with underlying atomic-lattice fringes.