How to reveal metastable skyrmionic spin structures by spin-polarized scanning tunneling microscopy
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https://zenodo.org/records/155325
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资源简介：
We predict the occurrence of metastable skyrmionic spin structures such as antiskyrmions and
higher-order skyrmions in ultra-thin transition-metal films at surfaces using Monte Carlo simulations
based on a spin Hamiltonian parametrized from density functional theory calculations.Weshow that
such spin structures will appear with a similar contrast in spin-polarized scanning tunneling
microscopy images. Both skyrmions and antiskyrmions display a circular shape for out-of-plane
magnetized tips and a two-lobe butterfly contrast for in-plane tips. An unambiguous distinction can
be achieved by rotating the tip magnetization direction without requiring the information of all
components of the magnetization.
创建时间：
2024-08-04
