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Schlagwörter:
Solid solutions; Tin compounds, Ambient conditions; Kesterites; Raman response; Stannite; Structural transitions; Type structures; Vibrational response, Raman spectroscopy
Zusammenfassung:
We have examined the effect of composition on the Raman-active vibrational response of the Cu2(Fe x Zn1-x)SnS4 and Cu2(Mn x Zn1-x)SnS4 solid solution series at ambient conditions. Based on these results we were able to identify the phase boundaries of the respective kesterite-type and stannite-type structures adopted by these compounds as a function of composition. In the case of Cu2(Fe x Zn1-x)SnS4, our observations correlate very well with earlier reports. For the Cu2(Mn x Zn1-x)SnS4 series, on the other hand, we were able to clearly pinpoint the kesterite↔stannite transition for intermediate compositions for the first time, indicating that Raman spectroscopy can serve as an efficient method for monitoring subtle structural transitions in these systems. © 2022 Walter de Gruyter GmbH, Berlin/Boston 2022.
