On the Quantum Spin Hall Gap of Monolayer 1T'-WTe2.
basic_science · Level V
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- Record sourced from PubMed, PMID 27115098.
- Also identified by DOI 10.1002/adma.201600100.
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Abstract
Positive quantum spin Hall gap in mono-layer 1T'-WTe2 is consistently supported by density-functional theory calculations, ultrafast pump-probe, and electrical transport measurements. It is argued that monolayer 1T'-WTe2 , which was predicted to be a semimetallic quantum spin Hall material, is likely a truly 2D quantum spin Hall insulator with a positive quantum spin Hall gap.