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Title: Improved mechanical properties of thermoelectric (Bi 0.2 Sb 0.8 ) 2 Te 3 by nanostructuring

Abstract

Temperature-dependent strength of Bi-Sb-Te under uniaxial compression is investigated. Bi-Sb-Te samples were produced by three methods: vertical zone-melting, hot extrusion, and spark plasma sintering (SPS). For zone-melted and extruded samples, the brittle-ductile transition occurs over a temperature range of 200-350 °C. In nanostructured samples produced via SPS, the transition is observed in a narrower temperature range of 170-200 °C. At room temperature, the strength of the nanostructured samples is higher than that of zone-melted and extruded samples, but above 300 °C, all samples decrease to roughly the same strength.

Authors:
; ; ; ; ; ORCiD logo; ORCiD logo; ; ORCiD logo; ;
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Solid-State Solar-Thermal Energy Conversion Center (S3TEC)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1259979
Alternate Identifier(s):
OSTI ID: 1388404; OSTI ID: 1420528
Grant/Contract Number:  
SC0001299; FG02-09ER46577
Resource Type:
Published Article
Journal Name:
APL Materials
Additional Journal Information:
Journal Name: APL Materials Journal Volume: 4 Journal Issue: 10; Journal ID: ISSN 2166-532X
Publisher:
American Institute of Physics
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Lavrentev, M. G., Osvenskii, V. B., Parkhomenko, Yu. N., Pivovarov, G. I., Sorokin, A. I., Bulat, L. P., Kim, H. -S., Witting, I. T., Snyder, G. J., Bublik, V. T., and Tabachkova, N. Yu. Improved mechanical properties of thermoelectric (Bi 0.2 Sb 0.8 ) 2 Te 3 by nanostructuring. United States: N. p., 2016. Web. doi:10.1063/1.4953173.
Lavrentev, M. G., Osvenskii, V. B., Parkhomenko, Yu. N., Pivovarov, G. I., Sorokin, A. I., Bulat, L. P., Kim, H. -S., Witting, I. T., Snyder, G. J., Bublik, V. T., & Tabachkova, N. Yu. Improved mechanical properties of thermoelectric (Bi 0.2 Sb 0.8 ) 2 Te 3 by nanostructuring. United States. doi:https://doi.org/10.1063/1.4953173
Lavrentev, M. G., Osvenskii, V. B., Parkhomenko, Yu. N., Pivovarov, G. I., Sorokin, A. I., Bulat, L. P., Kim, H. -S., Witting, I. T., Snyder, G. J., Bublik, V. T., and Tabachkova, N. Yu. Sat . "Improved mechanical properties of thermoelectric (Bi 0.2 Sb 0.8 ) 2 Te 3 by nanostructuring". United States. doi:https://doi.org/10.1063/1.4953173.
@article{osti_1259979,
title = {Improved mechanical properties of thermoelectric (Bi 0.2 Sb 0.8 ) 2 Te 3 by nanostructuring},
author = {Lavrentev, M. G. and Osvenskii, V. B. and Parkhomenko, Yu. N. and Pivovarov, G. I. and Sorokin, A. I. and Bulat, L. P. and Kim, H. -S. and Witting, I. T. and Snyder, G. J. and Bublik, V. T. and Tabachkova, N. Yu.},
abstractNote = {Temperature-dependent strength of Bi-Sb-Te under uniaxial compression is investigated. Bi-Sb-Te samples were produced by three methods: vertical zone-melting, hot extrusion, and spark plasma sintering (SPS). For zone-melted and extruded samples, the brittle-ductile transition occurs over a temperature range of 200-350 °C. In nanostructured samples produced via SPS, the transition is observed in a narrower temperature range of 170-200 °C. At room temperature, the strength of the nanostructured samples is higher than that of zone-melted and extruded samples, but above 300 °C, all samples decrease to roughly the same strength.},
doi = {10.1063/1.4953173},
journal = {APL Materials},
number = 10,
volume = 4,
place = {United States},
year = {2016},
month = {10}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: https://doi.org/10.1063/1.4953173

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Cited by: 1 work
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    Works referencing / citing this record:

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