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May 22, 2026Scientific ReportsOpen Access

Tunable electronic and optical properties of Ru₂S₂X (X = Si, Ge, Sn, Pb) monolayers

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Authors

SHShahab Rahimi HerabadMMMohammad Ali MohebpourHSH Rahimpur Soleimani

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Overview

Investigates the electronic and optical characteristics of Ru₂S₂X materials, suggesting their potential in advanced optoelectronic applications.

Key Points

  • The aim is to explore the electronic and optical properties of the Ru2S2X family of monolayers for optoelectronic applications.
  • Employing density functional theory (DFT) and many-body GW corrections to analyze electronic and optical properties.
  • Utilizing the Bethe–Saltpeter equation (BSE) formalism for excitonic effects.
  • Conducting phonon dispersion and molecular dynamics simulations to assess stability.
  • Ru2S2Si and Ru2S2Ge show indirect bandgaps around 1.0 eV, while Ru2S2Sn and Ru2S2Pb exhibit direct bandgaps of 0.4 eV.
  • Achieved strong excitonic binding energies ranging from 0.17 to 0.30 eV, indicating effective light interaction.
  • Dynamic, thermal, and mechanical stability confirms suitability for flexible devices.

Cite This Study

Herabad et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff412d674f7c03778d231https://doi.org/10.1038/s41598-026-51449-3
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