ABSTRACT
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This chapter introduces recent work on imaging three-dimensional spin structures in ultrathin magnetic films using spin-polarized low-energy electron microscopy (SPLEEM). Magnetic chirality within domain walls or skyrmions is directly observed. Several examples of tailoring the chirality as well as its driving force, the Dzyaloshinskii-Moriya interaction (DMI), are reviewed. A multilayer system taking advantage of interlayer exchange coupling to stabilize a skyrmion ground state at room temperature and in absence of an applied field is described.
