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Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study

M. V. Chekailo et al · Vasyl Stefanyk Carpathian National University · 2025

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Author / responsible party
M. V. Chekailo et al
Publisher
Vasyl Stefanyk Carpathian National University
Year
2025
ISSN
1729-4428
ISSN
1729-4428
Language
English

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The structural transformations accompanying the low-temperature phase transition (PT) β´→γ in the argyrodite Ag8SnSe6 characterized by mixed electron-ionic conductivity, have been studied using nuclear gamma resonance (NGR) and X-ray diffraction (XRD). Parallel Mössbauer studies were performed on the structurally related canfieldite Ag8SnS6. An abrupt decrease in the probability of the Mössbauer effect and isomer shifts was observed in argyrodite and canfieldite near 356 K and 445 K, respectively, corresponding to phase transitions in these compounds. Spatial models of the first and second coordination spheres of Ag8SnSe6 in the β´ and γ-modifications have been proposed.

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APA 7

al, M. V. C. E. (2025). Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study. https://doi.org/10.15330/pcss.26.4.774-780

MLA

al, M. V. Chekailo et. "Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study." 2025. https://doi.org/10.15330/pcss.26.4.774-780.

Chicago

al, M. V. Chekailo et. 2025. "Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study.". https://doi.org/10.15330/pcss.26.4.774-780.

Harvard

al, M. V. C. E. 2025, Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study, Vasyl Stefanyk Carpathian National University, available at: https://doi.org/10.15330/pcss.26.4.774-780 [Accessed 9 Aug. 2026].

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Title
Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study
Author / contributors
M. V. Chekailo et al
Publisher
Vasyl Stefanyk Carpathian National University
Publication year
2025
ISSN
1729-4428
ISSN
1729-4428
Language
English

Subjects

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argyrodite; canfieldite; phase transitions; superionic conductors
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