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Synthesis of glassy composite As0.63S2.70Sb1.37Te0.30 and its physical properties

MIHAI IOVU1, VICTOR VERLAN1,* , OLGA BORDIAN1, MARIUS ENACHESCU2,3, AURELIAN POPESCU4,* , DAN SAVASTRU4, LAURA-BIANCA ENACHE2, SABRINA ROSOIU2, MATEI BARDEANU2, OANA ANDREEA LAZAR2, GEANINA MIHAI3

Affiliation

  1. Institute of Applied Physics, Str. Academiei 5, MD-2028 Chisinau, R. Moldova
  2. Center for Surface Science and Nanotechnology, University Politehnică of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
  3. S.C. NanoPRO START MC S.R.L., 110310 Pitesti, Romania
  4. National Institute of Research and Development for Optoelectronics INOE 2000, Str. Atomistilor 409, 077125, Magurele, Romania

Abstract

The nanostructured glassy semiconductor As0.63S2.70Sb1.37Te0.30 was synthesized and thin films of this material were obtained. The physical and structural properties of the bulk material and thin layers were characterized using SEM-EDX electron microscopy, XRD diffraction, and micro-Raman. Detailed investigations showed the amorphous and homogeneous nature of the samples. The average coordination number of the composite of 2.4 and the electrons lone pair of 3.2 were determined.

Keywords

Chalcogenide glasses, As0.63S2.70Sb1.37Te0.30, XRD, Micro-Raman, SEM-EDX.

Citation

MIHAI IOVU, VICTOR VERLAN, OLGA BORDIAN, MARIUS ENACHESCU, AURELIAN POPESCU, DAN SAVASTRU, LAURA-BIANCA ENACHE, SABRINA ROSOIU, MATEI BARDEANU, OANA ANDREEA LAZAR, GEANINA MIHAI, Synthesis of glassy composite As0.63S2.70Sb1.37Te0.30 and its physical properties, Optoelectronics and Advanced Materials - Rapid Communications, 16, 11-12, November-December 2022, pp.538-544 (2022).

Submitted at: Oct. 28, 2022

Accepted at: Dec. 5, 2022