Topological, Valleytronic, and Optical Properties of Monolayer PbS.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 28092130.
- Also identified by DOI 10.1002/adma.201604788.
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Abstract
A PbS monolayer is demonstrated to be a novel platform for topological, valleytronic, and optical phenomena. Compressive strain can turn the trivial monolayer into a topological insulator. Optical pumping can facilitate charge, spin, and valley Hall effects tunable by external strain and light ellipticity. Similar results apply to other IV-VI semiconductors.