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Morphological and structural characterization of Sm-O-S compounds prepared by thermolysis of dithiocarbamate precursors

TitleMorphological and structural characterization of Sm-O-S compounds prepared by thermolysis of dithiocarbamate precursors
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2014
AuthorsSignore, M.A., Taurino A., Catalano M., Bellini E., Di Girolamo G., Laera Anna Maria, Quaranta F., Vasanelli L., and Siciliano P.
JournalThin Solid Films
Volume556
Pagination241-246
ISSN00406090
KeywordsAtmospheric conditions, Atmospheric temperature, Characterization, Deposition, Dithiocarbamate precursors, Microstructure, Nitrogen, Nitrogen atmospheres, Process parameters, Rare earth compounds, Scanning electron microscopy, Structural and morphological properties, Structural characterization, Sulfur dioxide, Synthesis (chemical), Synthesized materials, Transmission electron microscopy, Treatment conditions, X ray diffraction
Abstract

Deposition and structural characterization of SmxS yOz-based thin films are reported. The chemical synthesis of the SmxSyOz compounds is performed by thermolysis of dithiocarbamate precursors, followed by the drop casting deposition of the synthesized material, and by the thermal treatment at different temperatures (250 C, 500 C and 900 C) and atmospheric conditions (nitrogen and air). Structural and morphological properties have been investigated by scanning electron microscopy, transmission electron microscopy and X-ray diffraction, and were found to depend closely on the treatment conditions. In particular, the treatment at temperatures as high as 900 C and in a nitrogen atmosphere enhances the crystalline nature of the films and increases the samarium content in comparison to the oxygen content. Therefore, the temperature of 900 C and the nitrogen atmosphere represent the optimal treatment conditions, among the process parameters, to obtain a single phase of Sm2SO2. © 2014 Elsevier B.V.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84896394217&doi=10.1016%2fj.tsf.2014.01.085&partnerID=40&md5=f1ab56d3da18084411fec072592f298f
DOI10.1016/j.tsf.2014.01.085
Citation KeySignore2014241