Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
Rapid synthesis of thermoelectric YB22C2N via spark plasma sintering with gas/solid reaction technology
Hyoung-Won SONPhilipp SAUERSCHNIGDavid BERTHEBAUDTakao MORI
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JOURNALS FREE ACCESS Advance online publication
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Article ID: 19216

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Abstract

Dense YB22C2N samples were directly synthesized from powder mixtures via reactive spark plasma sintering. The gas/solid reaction step was applied to introduce nitrogen into the mixture during heating. The sample reactively sintered at 1700 °C for 10 min after the gas/solid reaction step at 1200 °C for 30 min consisted of YB22C2N with small amounts of secondary phases. The thermoelectric behavior shifted toward n-type behavior with increasing amount of YB22C2N phase. This newly developed synthesis technique could facilitate the rapid and cost-effective preparation of complex borocarbonitrides.

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