1T-TaS<sub>2</sub> as a quantum spin liquid.
basic_science · Level V
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- Record sourced from PubMed, PMID 28634296.
- Also identified by DOI 10.1073/pnas.1706769114 and PMC identifier 5502651.
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Abstract
1T-TaS<sub>2</sub> is unique among transition metal dichalcogenides in that it is understood to be a correlation-driven insulator, where the unpaired electron in a 13-site cluster experiences enough correlation to form a Mott insulator. We argue, based on existing data, that this well-known material should be considered as a quantum spin liquid, either a fully gapped [Formula: see text] spin liquid or a Dirac spin liquid. We discuss the exotic states that emerge upon doping and propose further experimental probes.