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Article

Anharmonic Effects in Ordered Kesterite-Type Cu2ZnSnS4

1
GFZ German Research Center for Geosciences, Telegrafenberg, 14473 Potsdam, Germany
2
Institut für Chemie, Technische Universität Berlin, Straße des 17 Juni 135, 10623 Berlin, Germany
3
Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
4
Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Str. 1, 40237 Düsseldorf, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Philippe Leclère
Solids 2021, 2(4), 385-394; https://doi.org/10.3390/solids2040024
Received: 28 October 2021 / Revised: 12 November 2021 / Accepted: 22 November 2021 / Published: 24 November 2021
(This article belongs to the Special Issue Feature Papers of Solids 2021)
We performed an in-depth investigation and analysis of the effect of temperature on the Raman-active A-modes of bulk kesterite-type Cu2ZnSnS4 within the 300–460 K temperature range. We acquired the individual contributions to each Raman mode, namely, the thermal expansion and anharmonic interactions terms responsible for the Raman shift and broadening with temperature. Our results indicate that the Raman shift with temperature is dominated by the thermal expansion term, whereas the broadening is mainly governed by three-phonon damping processes in this material. Considering relevant results from the literature, it appears that dimensionality is a key factor in regulating the dominant phonon decay mechanism. View Full-Text
Keywords: kesterite; Cu2ZnSnS4; anharmonicity; Raman; temperature kesterite; Cu2ZnSnS4; anharmonicity; Raman; temperature
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MDPI and ACS Style

Suss, N.; Ritscher, A.; Lerch, M.; Efthimiopoulos, I. Anharmonic Effects in Ordered Kesterite-Type Cu2ZnSnS4. Solids 2021, 2, 385-394. https://doi.org/10.3390/solids2040024

AMA Style

Suss N, Ritscher A, Lerch M, Efthimiopoulos I. Anharmonic Effects in Ordered Kesterite-Type Cu2ZnSnS4. Solids. 2021; 2(4):385-394. https://doi.org/10.3390/solids2040024

Chicago/Turabian Style

Suss, Nicole, Anna Ritscher, Martin Lerch, and Ilias Efthimiopoulos. 2021. "Anharmonic Effects in Ordered Kesterite-Type Cu2ZnSnS4" Solids 2, no. 4: 385-394. https://doi.org/10.3390/solids2040024

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