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Synthesis, crystal structure, and physical properties of BaSnS2



Wilarachchige Gunatilleke, Andrew May, Angela R. Hight Walker, Adam Biacchi, George Nolas


Phase-pure BaSnS2, with space group Pn21/c, was synthesized and the structural and physical properties were investigated. The thermal properties and optical measurements are reported for the first time. The Debye temperature and Sommerfeld coefficient were obtained from temperature dependent heat capacity measurements, the latter indicating that BaSnS2 is an electrical insulator. A direct band gap of 2.4 eV was obtained from diffuse reflectance and photoluminescence spectroscopy. The findings in this work lay the foundation for understanding the physical properties of this material, and are part of a continuing effort to investigate previously unexplored ternary chalcogenides.
Physica Status Solidi- Rapid Research Letters


Gunatilleke, W. , May, A. , Hight Walker, A. , Biacchi, A. and Nolas, G. (2022), Synthesis, crystal structure, and physical properties of BaSnS2, Physica Status Solidi- Rapid Research Letters, [online],, (Accessed April 21, 2024)
Created February 11, 2022, Updated November 29, 2022