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Nanostructuring of Thermoelectric Mg_2Si via a Nonequilibrium Intermediate State

Ikeda, Teruyuki and Haviez, Laura and Li, Youli and Snyder, G. Jeffrey (2012) Nanostructuring of Thermoelectric Mg_2Si via a Nonequilibrium Intermediate State. Small, 8 (15). pp. 2350-2355. ISSN 1613-6810. https://resolver.caltech.edu/CaltechAUTHORS:20120621-133731956

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Abstract

A new route to self-assembled nanocomposite thermoelectric materials is proposed. High-energy mechanical alloying brings materials into a nonequilibrium intermediate state, such as a solid solution with an extended solubility. The large driving force for the transformation to the equilibrium state leads to nanometer-scale microstructure formation, which is ideal for reducing lattice thermal conductivity.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/smll.201200386DOIUNSPECIFIED
http://onlinelibrary.wiley.com/doi/10.1002/smll.201200386/abstractPublisherUNSPECIFIED
ORCID:
AuthorORCID
Ikeda, Teruyuki0000-0001-7076-6958
Snyder, G. Jeffrey0000-0003-1414-8682
Additional Information:© 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Received: January 18, 2012. Article first published online: 30 Apr. 2012. This work was supported by the PRESTO program (PRESTO: Precursory Research for Embryonic Science and Technology) of Japan Science and Technology Agency. The microscopy facilities are supported by NSF CSEM MRSEC at Caltech under Award Number DMR-0520565. SAXS measurements were performed at UC Santa Barbara in the X-ray facility of the Materials Research Laboratory: an NSF Materials Research Science and Engineering Center (MRSEC) under award number DMR-1121053. We greatly appreciate Carol Garland for assistance in acquisition of the transmission electron microscope and Eric Toberer and Sabah Bux for valuable advice on ball-milling experiments.
Funders:
Funding AgencyGrant Number
Precursory Research for Embryonic Science and Technology (PRESTO)UNSPECIFIED
NSF Materials Research Science and Engineering Center (MRSEC)DMR-0520565
NSF Materials Research Science and Engineering Center (MRSEC)DMR-1121053
Issue or Number:15
Record Number:CaltechAUTHORS:20120621-133731956
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20120621-133731956
Official Citation:Ikeda, T., Haviez, L., Li, Y. and Snyder, G. J. (2012), Nanostructuring of Thermoelectric Mg2Si via a Nonequilibrium Intermediate State. Small. doi: 10.1002/smll.201200386
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32013
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:28 Jun 2012 21:38
Last Modified:03 Oct 2019 03:56

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