"Lattice-driven chiral charge density wave state in 1T-TaS2" by Manoj Singh, Boning Yu et al.
 

Physics

Lattice-driven chiral charge density wave state in 1T-TaS2

Document Type

Article

Abstract

We use scanning tunneling microscopy to study the domain structure of the nearly commensurate charge density wave (NC-CDW) state of 1T-TaS2. In our subangstrom characterization of the state, we find a continual evolution of the CDW lattice from domain wall to domain center, instead of a fixed CDW arrangement within a domain. Further, we uncover an intradomain chirality characterizing the NC-CDW state. Unlike the orbital-driven chirality previously observed in related transition-metal dichalcogenides, the chiral nature of the NC-CDW state in 1T-TaS2 appears driven by a strong coupling of the NC-CDW state to the lattice.

Publication Title

Physical Review B

Publication Date

8-15-2022

Volume

106

Issue

8

ISSN

2469-9950

DOI

10.1103/PhysRevB.106.L081407

Keywords

charge density wave state, Dichalcogenides, domain structure, intra-domain, orbitals, strong-coupling

Cross Post Location

Student Publications

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