Journal
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
Volume 643, Issue 13, Pages 858-863Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/zaac.201700074
Keywords
Chalcopyrite; Crystal structure; Thermoelectricity
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Funding
- CREST, JST [JPMJCR12Q6]
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The phase and chemical compositions of the mineral chalcopyrite from the sulfide footwall vein in La Cantera (Zacatecas, Mexico) is examined by powder X-ray diffraction, energy dispersive X-ray spectroscopy, and chemical ICP-OES analyses. The influence of the detected impurities on the thermoelectric parameters (i.e. thermo-power, electrical and thermal conductivities) is discussed. Thermoelectric figure of merit, ZT, of the studied natural minerals is found to be of the same order of magnitude (ca. 10(-3)) as reported for CuFeS2 synthesized in the laboratory.
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