Coupling of Coexisting Noncollinear Spin States in the Fe Monolayer on Re(0001).

Palacio-Morales, Alexandra; Kubetzka, André; von Bergmann, Kirsten; Wiesendanger, Roland · Nano Lett · 2016

basic_science · Level V

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Abstract

Spin-polarized scanning tunneling microscopy is used to investigate the magnetic state of the Fe monolayer on Re(0001). Two coexisting atomic-scale noncollinear spin textures are observed with a sharp transition between them on the order of the atomic lattice spacing. A position correlation between the two spin states is observed both in experiments and in Monte Carlo simulations, demonstrating their coupling behavior.