Coupling of Coexisting Non-Collinear Spin States in the Fe Monolayer on Re(0001)

TL;DR

This study uses spin-polarized scanning tunneling microscopy and simulations to reveal strongly coupled, coexisting non-collinear spin textures in an Fe monolayer on Re(0001), with sharp atomic-scale transitions.

Contribution

It demonstrates the atomic-scale coupling and coexistence of non-collinear spin states in an Fe monolayer on Re(0001), combining experimental and simulation evidence.

Findings

Two coexisting non-collinear spin textures observed

Sharp atomic-scale transition between spin states

Strong coupling demonstrated through experiments and simulations

Abstract

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