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June 11, 2026Journal of Solid State ChemistryOpen Access

Quaternary rare-earth sulfides RE2Ag2SnS6 (RE = Nd, Sm, Gd, Tb) with two- and three-coordinate silver

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Authors

QWQichao WuAMArthur Mar

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Overview

Investigates new silver-containing chalcogenides, revealing their unique structural properties in rare-earth compounds.

Key Points

  • The focus is on synthesizing and characterizing new silver-containing chalcogenides, specifically RE2Ag2SnS6 compounds.
  • Prepared by reactions of elements at 800 °C using KBr flux.
  • Crystals obtained were analyzed for their structural properties.
  • Characterization involves determining the orthorhombic structure and metal site occupation.
  • The structure adopts an orthorhombic configuration with a specific space group Pnma.
  • It consists of [Ag2SnS6] layers separated by rare-earth atoms, with unique metal site occupations.
  • Linear AgS2, triangular AgS3, and octahedral SnS6 units are identified within the layers.

Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/6a2a4ff180c8f91e7f39cb10https://doi.org/10.1016/j.jssc.2026.126158
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