Výsledky vyhledávání - "YUZURU MIYAZAKI"

Akademický článek

Enhancement of the thermoelectric performance of half-metallic full-Heusler Mn2VAl alloys via antisite defect engineering and Si partial substitution

Autor: Hezhang Li, Kei Hayashi, Zhicheng Huang, Hiroto Takeuchi, Gakuto Kanno, Jing-Feng Li, Yuzuru Miyazaki

Publikováno v: Journal of Materiomics, Vol 10, Iss 2, Pp 511-519 (2024)

A half-metallic full-Heusler Mn2VAl alloy is a potential p-type thermoelectric material that can directly generate electricity from waste heat via the Seebeck effect. For practical use, the Seebeck coefficient S of Mn2VAl should be increased while ma

Externí odkaz: https://doaj.org/article/10cc5dba90a344dd978dd6be8326a00a

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Akademický článek

Enhanced thermoelectric performance in MnTe due to doping and in-situ nanocompositing effects by Ag2S addition

Autor: Jinfeng Dong, Jun Pei, Kei Hayashi, Wataru Saito, Hezhang Li, Bowen Cai, Yuzuru Miyazaki, Jing-Feng Li

Publikováno v: Journal of Materiomics, Vol 7, Iss 3, Pp 577-584 (2021)

Extremely low lattice thermal conductivity is always the pursuit of thermoelectric materials research. In this work, we reported an exceptional effect of Ag2S addition in MnTe, an emerging promising mid-temperature thermoelectric material, to enable

Externí odkaz: https://doaj.org/article/31e1b9326c6e43dd8c47d5628f981f4a

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Akademický článek

Effects of Oxygen on Lattice Defects in Single-Crystalline Mg2Si Thermoelectrics

Autor: Kei Hayashi, Sota Kawamura, Yusuke Hashimoto, Noboru Akao, Zhicheng Huang, Wataru Saito, Kaichi Tasaki, Koichi Hayashi, Tomohiro Matsushita, Yuzuru Miyazaki

Publikováno v: Nanomaterials, Vol 13, Iss 7, p 1222 (2023)

Lattice defect engineering has attracted attention due to its ability to develop thermoelectric materials with low thermal conductivity. For Mg2Si single crystals (SCs), Si vacancy (VSi) defects can be introduced and consequently result in the format

Externí odkaz: https://doaj.org/article/aee45f5939974fb0af37566021a26dc4

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Akademický článek

Erratum: 'Preparation, thermoelectric properties, and crystal structure of boron-doped Mg2Si single crystals' [AIP Advances 10, 035115 (2020)]

Autor: Kei Hayashi, Wataru Saito, Kazuya Sugimoto, Kenji Ohoyama, Kouichi Hayashi, Naohisa Happo, Masahide Harada, Kenichi Oikawa, Yasuhiro Inamura, Yuzuru Miyazaki

Publikováno v: AIP Advances, Vol 11, Iss 2, Pp 029903-029903-1 (2021)

Externí odkaz: https://doaj.org/article/89c69739f2df494ebc252068214eec8e

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Akademický článek

Preparation, thermoelectric properties, and crystal structure of boron-doped Mg2Si single crystals

Autor: Kei Hayashi, Wataru Saito, Kazuya Sugimoto, Kenji Ohoyama, Kouichi Hayashi, Naohisa Happo, Masahide Harada, Kenichi Oikawa, Yasuhiro Inamura, Yuzuru Miyazaki

Publikováno v: AIP Advances, Vol 10, Iss 3, Pp 035115-035115-7 (2020)

Mg2Si is a potential thermoelectric (TE) material that can directly convert waste energy into electricity. In expectation of improving its TE performance by increasing electron carrier concentration, the element boron (B) is doped in Mg2Si single cry

Externí odkaz: https://doaj.org/article/2d4e5e1af193427a992df5e94b245ef0

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Akademický článek

Distinct impact of order degree on thermoelectric power factor of p-type full-Heusler Mn2VAl compounds

Autor: Hezhang Li, Kei Hayashi, Jinfeng Dong, Jing-Feng Li, Yuzuru Miyazaki

Publikováno v: Materials Research Express, Vol 7, Iss 5, p 055503 (2020)

Full-Heusler compounds have three crystal structures with a different order degree; the highly ordered L2 _1 , partially disordered B2, and completely disordered A2 structures. To reveal the effects of the order degree on thermoelectric (TE) properti

Externí odkaz: https://doaj.org/article/6ec69dd96e8c4a648bf0bd221aa3b2e2

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