Dissemin is shutting down on January 1st, 2025

Published in

American Institute of Physics, Applied Physics Reviews, 4(10), 2023

DOI: 10.1063/5.0160738

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Discovering a Wigner-like crystal and soft x-ray correlated plasmons and their couplings in a transition metal dichalcogenide

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Low-dimensional systems host many exotic physical properties. Using extended resonant soft x-ray scattering supported with theoretical calculations, we observe concomitantly a Wigner-like crystal in a stripe-like QHKL = (001) superlattice with surprisingly long coherence lengths and new soft x-ray correlated plasmons in WS2. A new electronic transition is found at 125 K upon cooling, which is a transition from two-dimensional ordering to three-dimensional ordering, a result of p–d hybridization anisotropy and electronic correlations. Our result shows the importance of the interplay of long-range electron–electron correlation and short-range electronic screening in determining electronics and optical properties of transition metal dichalcogenides.