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Paper   IPM / CMNL / 17459
Condensed Matter National Laboratory
  Title:   Reassessing the existence of soft X-ray correlated plasmons
  Author(s): 
1.  Mohsen Moazzami Gudarzi
2.  Seyed Hamed Aboutalebi
  Status:   Published
  Journal: Nature Communications
  No.:  6753
  Vol.:  14
  Year:  2023
  Supported by:  IPM
  Abstract:
In this work, we show that our analysis suggests that the data regarding the observation of anomalous soft X-ray correlated plasmons with low loss in MoS2 are inconclusive. This is due to non-compliance with optical sum-rules and disagreement with expected optical constants for MoS2 based on tabulated atomic scattering factors of Mo and S. These discrepancies signal the necessity for a critical reassessment of the evidence for soft X-ray correlated plasmons in transition metal dichalcogenides (TMDs) including MoS2.

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