Abstract
The intermetallic compound CeRu4Sn6 CeRu 4Sn6 has been tentatively classified as Kondo insulator. This class of material, especially non-cubic representatives, is not yet fully understood. Here we report thermopower measurements on single-crystalline CeRu4Sn6 CeRu4Sn6 between 2 K and 650 K, along the main crystallographic directions. Large positive thermopower is observed in the directions along which the hybridization is strong and a Kondo insulating gap forms. A negative contribution to the thermopower dominates for the crystallographic c axis where hybridization is weak and metallicity prevails. © 2014 The Author(s).
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Hänel, J., Winkler, H., Ikeda, M., Larrea J., J., Martelli, V., Prokofiev, A., … Paschen, S. (2014). Anisotropic thermopower of the kondo insulator CeRu4Sn 6 CeRu4Sn6. Journal of Electronic Materials, 43(6), 2440–2443. https://doi.org/10.1007/s11664-014-3139-9
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