The effect of light rare earth element substitution in Yb14MnSb11on thermoelectric properties

Author:

Hu Yufei1234,Bux Sabah K.5674,Grebenkemper Jason H.1234,Kauzlarich Susan M.1234

Affiliation:

1. Department of Chemistry

2. University of California

3. Davis

4. USA

5. Jet Propulsion Laboratory

6. California Institute of Technology

7. Pasadena

Abstract

ThezTof Yb14MnSb11is improved by the introduction of a light rare earth element, RE3+(RE = Pr, Sm) with partially filled f-levels. The carrier concentration is reduced upon substituting RE3+for Yb2+, adding one electron to the system and improving thezTvalues 30–40% over that of the pristine material.

Funder

Ames Research Center

Nuclear Energy University Programs

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Reference53 articles.

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3. CRC Handbbok of Thermoelectrics, ed. D. M. Rowe, CRC press, Boca Raton, 1995

4. Ultralow thermal conductivity and high thermoelectric figure of merit in SnSe crystals

5. Cubic AgPb m SbTe 2+ m : Bulk Thermoelectric Materials with High Figure of Merit

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