Revealing uncommon transport in the previously unascertained very low cation clathrate-I Eu2Ga11Sn35

Wilarachchige D. C. B. Gunatilleke; Winnie Wong-Ng; Peter Y. Zavalij; Mingjian Zhang; Yu-Sheng Chen; George S. Nolas

doi:10.1039/D2CE01026G

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Revealing uncommon transport in the previously unascertained very low cation clathrate-I Eu₂Ga₁₁Sn₃₅†

Wilarachchige D. C. B. Gunatilleke,

^a Winnie Wong-Ng,^b Peter Y. Zavalij,

^c Mingjian Zhang,^d Yu-Sheng Chen^d and George S. Nolas

*^a

Author affiliations

* Corresponding authors

^a Department of Physics, University of South Florida, Tampa, FL 33620, USA
E-mail: gnolas@usf.edu

^b Materials Measurement Science Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA

^c Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA

^d ChemMatCARS, University of Chicago, Argonne, IL 60439, USA

Abstract

High occupancy of cation sites is typical for clathrate-I compositions allowing limited tunability of the electrical properties beyond doping and elemental substitution. Herein, we report on the structure and electrical transport of single-crystal Eu₂Ga₁₁Sn₃₅, the sole example of a very low (25%) cation concentration clathrate-I material with atypical transport directly attributable to the structure and stoichiometry.

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Article information

DOI: https://doi.org/10.1039/D2CE01026G
Article type: Communication
Submitted: 26 Jul 2022
Accepted: 24 Oct 2022
First published: 24 Oct 2022

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CrystEngComm, 2023,25, 48-52

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Revealing uncommon transport in the previously unascertained very low cation clathrate-I Eu₂Ga₁₁Sn₃₅

W. D. C. B. Gunatilleke, W. Wong-Ng, P. Y. Zavalij, M. Zhang, Y. Chen and G. S. Nolas, CrystEngComm, 2023, 25, 48 DOI: 10.1039/D2CE01026G

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