Heuristic Description of Magnetoelectricity of Cu2OSeO3.
basic_science · Level V
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- Record sourced from PubMed, PMID 27562791.
- Also identified by DOI 10.1021/acs.nanolett.6b02167.
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Abstract
CuO2SeO3 is an insulating material that hosts topologically nontrivial spin whirls, so-called skyrmions, and exhibits magnetoelectric coupling allowing to manipulate these skyrmions by means of electric fields. We report magnetic force microscopy imaging of the real-space spin structure on the surface of a bulk single crystal of CuO2SeO3. Based on measurements of the electric polarization using Kelvin-probe force microscopy, we develop a heuristic description of the magnetoelectric properties in CuO2SeO3. The model successfully describes the dependency of the electric polarization on the magnetization in all magnetically modulated phases.