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Correlated evolution of colossal thermoelectric effect and Kondo insulating behavior

Author(s): Fuccillo, Michael K.; Gibson, Quinn D.; Ali, Mazhar N.; Schoop, Leslie Mareike; Cava, Robert Joseph

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Abstract: We report the magnetic and transport properties of the Ru 1-xFexSb2 solid solution, showing how the colossal thermoelectric performance of FeSb2 evolves due to changes in the amount of 3d vs. 4d electron character. The physical property trends shed light on the physical picture underlying one of the best low-T thermoelectric power factors known to date. Some of the compositions warrant further study as possible n- and p-type thermoelements for Peltier cooling well below 300 K. Our findings enable us to suggest possible new Kondo insulating systems that might behave similarly to FeSb2 as advanced thermoelectrics. © 2013 Author(s).
Publication Date: Dec-2013
Electronic Publication Date: 2-Dec-2013
Citation: Fuccillo, M.K., Gibson, Q.D., Ali, Mazhar N., Schoop, L.M., Cava, R.J. (2013). Correlated evolution of colossal thermoelectric effect and Kondo insulating behavior. APL Materials, 1 (6), 062102-1 - 062102-9. doi:10.1063/1.4833055
DOI: doi:10.1063/1.4833055
EISSN: 2166-532X
Pages: 1.6:062102-1 - 062102-9
Type of Material: Journal Article
Journal/Proceeding Title: APL Materials
Version: Final published version. This is an open access article.
Notes: APL Materials. Volume 1, Issue 6, December 2013, Article number 062102.

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