{"title":"Dependence of Raman Spectra of Complexes of Polyvinyl Alcohol with CdS and I2 on the Polarization of Exciting Radiation and Temperature","authors":"I. Yu. Prosanov, A. A. Sidel’nikov, V. A. Volodin","doi":"10.1134/S1063783424602042","DOIUrl":null,"url":null,"abstract":"<p>The Raman scattering intensity of oriented polyvinyl alcohol (PVA) films doped with cadmium sulfide and iodine is found to depend on the position of the sample with respect to the direction of the exciting radiation polarization. This dependence agrees with the supposed polymer structure of the inorganic component of the complex and the Raman scattering mechanism with its participating similar to the surface-enhanced Raman spectroscopy (SERS). The spectra are found to contain bands similar to the G- and D‑bands of carbon materials in the Raman shift range 1000–2000 cm<sup>–1</sup>. The origin of these bands is discussed.</p>","PeriodicalId":731,"journal":{"name":"Physics of the Solid State","volume":"67 2","pages":"120 - 127"},"PeriodicalIF":1.8000,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of the Solid State","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1134/S1063783424602042","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, CONDENSED MATTER","Score":null,"Total":0}
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Abstract
The Raman scattering intensity of oriented polyvinyl alcohol (PVA) films doped with cadmium sulfide and iodine is found to depend on the position of the sample with respect to the direction of the exciting radiation polarization. This dependence agrees with the supposed polymer structure of the inorganic component of the complex and the Raman scattering mechanism with its participating similar to the surface-enhanced Raman spectroscopy (SERS). The spectra are found to contain bands similar to the G- and D‑bands of carbon materials in the Raman shift range 1000–2000 cm–1. The origin of these bands is discussed.
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Presents the latest results from Russia’s leading researchers in condensed matter physics at the Russian Academy of Sciences and other prestigious institutions. Covers all areas of solid state physics including solid state optics, solid state acoustics, electronic and vibrational spectra, phase transitions, ferroelectricity, magnetism, and superconductivity. Also presents review papers on the most important problems in solid state physics.
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