Thermodynamic Properties of Magnetic Semiconductors Ag2FeSn3S8 and Ag2FeSnS4 Determined by the EMF Method

Mykola Moroz, Fiseha Tesfaye, Pavlo Demchenko, Myroslava Prokhorenko, Daniel Lindberg, Oleksandr Reshetnyak, Leena Hupa

Research output: Chapter in Book/Conference proceedingChapterScientificpeer-review

5 Citations (Scopus)

Abstract

Phase equilibria andthermodynamics in the Ag2SnS3–SnS–Sn2S3–FeSsystem were investigated using differential thermal analysis, X-raydiffraction, and EMF methods. Determined phase relations were used to expressthe forming chemical reactions for compounds Ag2FeSn3S8and Ag2FeSnS4. The forming chemical reactions wereperformed by applying electrochemical cells of the types:(–) C | Ag | Ag3GeS3I glass |Ag2FeSn3S8, SnS, Sn2S3,FeS | C (+) and (–) C | Ag | Ag3GeS3I glass |Ag2FeSnS4, SnS, Ag2FeSn3S8,FeS | C (+). Based on the measured EMF vs. temperaturerelations, experimental thermodynamic data of the quaternary phases Ag2FeSn3S8and Ag2FeSnS4 were derived for the first time.

Original languageUndefined/Unknown
Title of host publicationMaterials Processing Fundamentals 2018. TMS 2018
EditorsG. Lambotte, J. Lee, A. Allanore, S. Wagstaff
PublisherSpringer
Pages87–98
ISBN (Electronic)978-3-319-72131-6
ISBN (Print)978-3-319-72130-9
DOIs
Publication statusPublished - 2018
MoE publication typeA3 Part of a book or another research book

Keywords

  • EMF method
  • Magnetic semiconductors
  • Thermodynamic properties

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