The 64th JSAP Spring Meeting, 2017

Presentation information

Print

Oral presentation

9 Applied Materials Science » 9.4 Thermoelectric conversion

[15a-E206-1~12] 9.4 Thermoelectric conversion

9.4と16.2のコードシェアセッションあり

Wed. Mar 15, 2017 9:00 AM - 12:15 PM E206 (E206)

Isao Ohkubo(NIMS), Yoshiki Takagiwa(NIMS)

11:00 AM - 11:15 AM

△ [15a-E206-8] Effect of elemental substitution on thermal stability and thermoelectric properties of Chimney-ladder phase FeGeγ

〇Naoki Sato1, Hideyasu Ouchi1, Koichi Kitahara1, Yoshiki Takagiwa2, Yukari Katsura1, Kaoru Kimura1 (1.Univ. Tokyo, 2.NIMS)

Keywords:thermoelectric material, Chimney-ladder phase

Chimney-ladder phase FeGeγ, which has incommensurate Fe and Ge sublattices, exhibits high ZT value of 0.57 at about 600 K. However, it decomposes above 853 K. Here we will report an effect of elemental substitution for the transition metal site on thermal stability, crystal structure, and thermoelectric properties.