Fe on Sb(111): Potential Two-Dimensional Ferromagnetic Superstructures.
basic_science · Level V
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- Record sourced from PubMed, PMID 28071896.
- Also identified by DOI 10.1021/acsnano.6b08347.
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Abstract
It is highly desirable to fabricate two-dimensional ferromagnetic membranes based on orthodox magnetic elements because of their inherent magnetic properties. In this work, we report on two superstructures including a honeycomb-like lattice and identical nanocluster arrays formed by depositing Fe on Sb(111). Combined with first-principles calculations, both detailed atomic structures have been clarified. The honeycomb structure consists of a single layered Fe-Sb phase, and the cluster phase is assigned as a (3 × 3) Fe<sub>3</sub>Sb<sub>7</sub> superlattice. Both structural phases exhibit high magnetic moments localized on d bands of Fe. Our results provide a method to fabricate 2D magnetic superstructures possessing great potential in the realization of the Haldane model, spintronics applications, and single atom catalysis.