Structural analysis of As-S-Sb-Te polycrystalline nanostructured semiconductors

Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova; O. Iaseniuc; M. Iovu; Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova; S. Rosoiu; Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania; M. Bardeanu; Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania; L.-B. Enache; Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania; G. Mihai; Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania; O. Bordianu; Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova; V. Verlan; Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova; I. Culeac; Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova; I. Cojocaru; Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova; M. Enachescu; Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania

doi:10.15251/cl.2022.1911.841

journal article·2022-11-30Open access

Structural analysis of As-S-Sb-Te polycrystalline nanostructured semiconductors

Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova, O. Iaseniuc, M. Iovu, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova, S. Rosoiu, Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania, M. Bardeanu, Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania, L.-B. Enache, Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania, G. Mihai, Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania, O. Bordianu, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova, V. Verlan, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova, I. Culeac, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova, I. Cojocaru, Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova, M. Enachescu, Center for Surface Science and Nanotechnology, University Politehnica of Bucharest, , Splaiul Independentei 313, 060042, Bucharest, Romania

Chalcogenide Letters· Volume 19· Issue 11

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Abstract

The aim of this paper is to characterize the polycrystalline and vitreous phases in the As2S3-Sb2S3-Sb2Te3 systems using several techniques such as XRD, SEM, EDS, and micro-Raman spectroscopy. The As1.17S2.7Sb0.83Te0.40, As1.04S2.4Sb0.96Te0.60, As0.63S2.7Sb1.37Te0.30, and As0.56S2.4Sb1.44Te0.60 semiconductor chalcogenide bulk glasses were examined using Scanning Electron microscopy (SEM), Energy-Dispersive Spectroscopy (EDS), X-Ray diffraction (XRD) and micro-Raman analysis. The EDS quantitative and mapping analysis showed that for each investigated area, the identified elements were sulfur (S), arsenic (As), antimony (Sb) and tellurium (Te). These elements are present in constant atomic percentages on the entire sample, showing a good homogeneity of the samples. The study of samples by the above-mentioned methods showed the presence of crystalline phases and amorphous phases with the polycrystalline inclusions corresponding to the structural units AsS3, Sb2S3, and Sb2Те3.

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Research context

Ceramics & glasses Nanomaterials Electronic materials

OpenAlex topics: Phase-change materials and chalcogenides · Glass properties and applications · Optical properties and cooling technologies in crystalline materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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