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Origin of resistivity anomaly in p-type leads chalcogenide multiphase compounds

Yamini, Sima Aminorroaya and Mitchell, David R. G. and Wang, Heng and Gibbs, Zachary M. and Pei, Yanzhong and Dou, Shi Xue and Snyder, G. Jeffrey (2015) Origin of resistivity anomaly in p-type leads chalcogenide multiphase compounds. AIP Advances, 5 (5). Art. No. 053601. ISSN 2158-3226. https://resolver.caltech.edu/CaltechAUTHORS:20150629-083906086

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Abstract

The electrical resistivity curves for binary phase compounds of p-type lead chalcogenide (PbTe)_((0.9−x)) (PbSe) _(0.1) (PbS)_ x, (x = 0.15, 0.2, 0.25), which contain PbS-rich secondary phases, show different behaviour on heating and cooling between 500-700 K. This is contrast to single phase compounds which exhibit similar behaviour on heating and cooling. We correlate these anomalies in the electrical resistivities of multiphase compounds to the variation in phase composition at high temperatures. The inhomogeneous distribution of dopants between the matrix and secondary phase is found to be crucial in the electronic transport properties of the multiphase compounds. These results can lead to further advances in designing composite Pb-chalcogenides with high thermoelectric performance.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.4913992DOIArticle
http://scitation.aip.org/content/aip/journal/adva/5/5/10.1063/1.4913992PublisherArticle
ORCID:
AuthorORCID
Snyder, G. Jeffrey0000-0003-1414-8682
Additional Information:© 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License. Received 19 July 2014; accepted 2 December 2014; published online 27 February 2015. This work is supported by Australian Research Council (ARC) Discovery Early Career Award DE130100310, the Materials Project funded by U.S. Department of Energy’s Basic Energy Sciences program under Grant No. EDCBEE, DOE contract DE-AC02-05CH11231 and the Air Force Office of Scientific Research – Multidisciplinary Research Program of the University Research Initiative (AFOSR-MURI) and the Russian Ministry of Education.
Funders:
Funding AgencyGrant Number
Australian Research Council (ARC)DE130100310
Department of Energy (DOE)EDCBEE
Department of Energy (DOE)DE-AC02-05CH11231
Air Force Office of Scientific Research (AFOSR) Multidisciplinary Research Program of the University Research Initiative (MURI)UNSPECIFIED
Russian Ministry of EducationUNSPECIFIED
Issue or Number:5
Record Number:CaltechAUTHORS:20150629-083906086
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150629-083906086
Official Citation:Origin of resistivity anomaly in p-type leads chalcogenide multiphase compounds Aminorroaya Yamini, Sima and Mitchell, David R. G. and Wang, Heng and Gibbs, Zachary M. and Pei, Yanzhong and Dou, Shi Xue and Snyder, G. Jeffrey, AIP Advances, 5, 053601 (2015), DOI:http://dx.doi.org/10.1063/1.4913992
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58652
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:29 Jun 2015 22:01
Last Modified:03 Oct 2019 08:38

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