NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
High temperature thermoelectric properties of p-type skutterudites BaxYbyCo4-zFezSb12
Published
Author(s)
Yongkwan Dong, Pooja Puneet, Terry M. Tritt, Joshua Martin, George S. Nolas
Abstract
Several polycrystalline p-type skutterudites with compositions BaxYbyCo4-zFezSb12, with varied filler concentrations x and y, and z = 1 to 2, have been synthesized by first reacting the constituents and subsequent solid state annealing, followed by densification by hot-pressing, and their thermoelectric properties evaluated from 300 to 850 K. The Yb filling fraction increased with Fe content while the amount of Fe substitution had little influence on the Ba filling fraction. High purity specimens were obtained when the Fe content was low. Bipolar conduction contributed to the thermal conductivity at elevated temperatures. A maximum ZT value of 0.7 was obtained at 750 K for the specimens with the highest Fe content and filling fraction. Their potential for thermoelectric applications is also discussed.
Dong, Y.
, Puneet, P.
, Tritt, T.
, Martin, J.
and Nolas, G.
(2012),
High temperature thermoelectric properties of p-type skutterudites BaxYbyCo4-zFezSb12, Journal of Applied Physics, [online], https://doi.org/10.1063/1.4759370, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=912012
(Accessed October 2, 2025)