Structural and Spectroscopic Study of Undoped and Ag-Doped Sb2S3 Polycrystals

Authors

  • Y.M. Azhniuk Institute of Electron Physics, Nat. Acad. of Sci. of Ukraine
  • A.I. Pogodin Uzhhorod National University
  • M.J. Filep Institute of Electron Physics, Nat. Acad. of Sci. of Ukraine, Ferenc R´ak´oczi II Transcarpathian Hungarian Institute
  • V.V. Lopushansky Institute of Electron Physics, Nat. Acad. of Sci. of Ukraine
  • V.M. Kryshenik Institute of Electron Physics, Nat. Acad. of Sci. of Ukraine
  • V.Y. Izai Centre for Nanotechnology and Advanced Materials, Faculty of Mathematics, Physics and Informatics, Comenius University Bratislava
  • L. Satrapinskyy Centre for Nanotechnology and Advanced Materials, Faculty of Mathematics, Physics and Informatics, Comenius University Bratislava
  • I.M. Voynarovych Institute of Electron Physics, Nat. Acad. of Sci. of Ukraine
  • A.V. Gomonnai Institute of Electron Physics, Nat. Acad. of Sci. of Ukraine

DOI:

https://doi.org/10.15407/ujpe71.3.243

Keywords:

phase-change materials, X-ray diffraction, energy-dispersive X-ray fluorescence spectroscopy, Raman spectroscopy, oxidation

Abstract

Ag-doped Sb2S3 polycrystals with silver content up to 10 at.% were obtained by high-temperature synthesis. Chemical composition of the samples determined by EDX spectroscopy corresponds to the element content in the initial mixture with a rather uniform element distribution over the sample surface with slight inhomogeneities of Ag distribution. XRD data confirmed the orthorhombic (stibnite) structure of the synthesized polycrystalline Sb2S3 : Ag ingots, for the Ag-containing samples AgSbS2 (β-miargyrite) phase was also revealed. Possible presence of the AgSbS2 phase can also be assumed from Raman measurements performed at low laser power density (Pexc = 4 kW/cm2). Raman spectra at increased Pexc (40 kW/cm2) reveal photostructural and photochemical transformations, namely the formation of Sb2O3 and elemental Sb phases due to heating of the sample surface by the tightly focused laser beam.

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Published

2026-03-17

Issue

Vol. 71 No. 3 (2026)

Section

Semiconductors and dielectrics

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How to Cite

Structural and Spectroscopic Study of Undoped and Ag-Doped Sb2S3 Polycrystals. (2026). Ukrainian Journal of Physics, 71(3), 243. https://doi.org/10.15407/ujpe71.3.243

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