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    Anisotropic Thermopower of the Kondo Insulator CeRu4Sn6 (vol 43, pg 2440, 2014)
    J. HaenelH. WinklerM. IkedaJ. LarreaJ. V. MartelliA. ProkofievE. BauerS. Paschen
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    Keywords:
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    Anisotropic Thermopower of the Kondo Insulator $$\hbox {CeRu}_4\hbox {Sn}_6$$ CeRu 4 Sn 6
    Journal of Electronic Materials (2014)
    Jonathan HänelH. WinklerM. IkedaJ. Larrea J.Valentina Martelli
    The intermetallic compound $$\hbox {CeRu}_4\hbox {Sn}_6$$ 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 $$\hbox {CeRu}_4\hbox {Sn}_6$$ 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.
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