DC FieldValueLanguage
dc.contributor.authorNikolić, Pantelijaen
dc.contributor.authorĐurić, S.en
dc.contributor.authorTodorović, Draganen
dc.contributor.authorVasiljević-Radović, Danaen
dc.contributor.authorBlagojević, Vladimiren
dc.contributor.authorMihajlović, P.en
dc.contributor.authorElazar, Jovanen
dc.contributor.authorRadulović, Katarinaen
dc.contributor.authorBojičić, A.en
dc.contributor.authorUrošević, Draganen
dc.date.accessioned2020-05-01T20:13:58Z-
dc.date.available2020-05-01T20:13:58Z-
dc.date.issued2001-08-06en
dc.identifier.issn0342-1791en
dc.identifier.urihttp://researchrepository.mi.sanu.ac.rs/handle/123456789/1817-
dc.description.abstractElectron transport properties of single crystal and polycrystalline natural mineral galena (PbS) samples from the Trepča mine, Yugoslavia, were determined using the photoacoustic frequency transmission technique. Their thermal diffusivity (DT ≈ 0.16 × 10-5 m2 s-1), the coefficient of diffusion (D between 0.15 × 10-2 0.16 × 10-2 m2 s-1) and lifetime of the excess carrier (τ ≈ 35 μs and the front and rear recombination velocity (Sg ≈ 65.5 m s-1 and Sb ≈ 66.4 m s-1, respectively), were calculated by comparing the experimental results and the theoretical photoacoustic amplitude and phase signals. The lattice parameter obtained by X-ray work was a = 5.936 Å. The free carrier concentration of these single-crystal samples was measured using the Hall method (N = 3 × 1018 cm-3). Measurements of the optical reflectivity of the same samples, as a function of wavelength, in the infrared and far infrared ranges, were performed. In the far infrared range a free electron plasma frequency was observed and numerically analyzed, using the least-squares fitting procedure. The values of optical parameters were calculated and the value of the free carrier concentration obtained by the Hall method was confirmed.en
dc.publisherSpringer Link-
dc.relation.ispartofPhysics and Chemistry of Mineralsen
dc.subjectElectron transport properties | Natural galena | Optical properties | Photoacoustic method | Thermal diffusivityen
dc.titleApplication of the photoacoustic method for characterization of natural galena (PbS)en
dc.typeArticleen
dc.identifier.doi10.1007/s002690000121en
dc.identifier.scopus2-s2.0-0034924129en
dc.contributor.affiliationMathematical Institute of the Serbian Academy of Sciences and Arts-
dc.relation.firstpage44en
dc.relation.lastpage51en
dc.relation.issue1en
dc.relation.volume28en
dc.description.rankM21a-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.grantfulltextnone-
item.fulltextNo Fulltext-
crisitem.author.orcid0000-0003-3607-6704-
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