Effects of alkaline earth doping on the thermoelectric properties of misfit layer sulfides

Yulia Eka Putri; Chunlei Wan; Yifeng Wang; Wataru Norimatsu; Michiko Kusunoki; Kunihito Koumoto

doi:10.1016/j.scriptamat.2012.02.010

Effects of alkaline earth doping on the thermoelectric properties of misfit layer sulfides

Yulia Eka Putri, Chunlei Wan, Yifeng Wang, Wataru Norimatsu, Michiko Kusunoki, Kunihito Koumoto

科研成果: 期刊稿件 › 文章 › 同行评审

35 引用（Scopus）

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The substitutional doping of magnesium into the host layers (TiS ₂), calcium and strontium into phonon barrier layers (BiS) was attempted to improve the thermoelectric performance of (BiS) _1.2(TiS ₂) ₂ misfit layer sulfides by decreasing the carrier concentration. The substitutional doping did reduce the carrier concentration; however, the Seebeck coefficient decreased slightly due to the decrease in the effective mass of carrier electrons. Meanwhile, the lattice thermal conductivity was increased by the formation of an ordered or commensurate structure.

源语言	英语
页（从-至）	895-898
页数	4
期刊	Scripta Materialia
卷	66
期	11
DOI	https://doi.org/10.1016/j.scriptamat.2012.02.010
出版状态	已出版 - 6月 2012
已对外发布	是

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abstract = "The substitutional doping of magnesium into the host layers (TiS 2), calcium and strontium into phonon barrier layers (BiS) was attempted to improve the thermoelectric performance of (BiS) 1.2(TiS 2) 2 misfit layer sulfides by decreasing the carrier concentration. The substitutional doping did reduce the carrier concentration; however, the Seebeck coefficient decreased slightly due to the decrease in the effective mass of carrier electrons. Meanwhile, the lattice thermal conductivity was increased by the formation of an ordered or commensurate structure.",

keywords = "Electrical resistivity/conductivity, Layered structures, Misfit layer sulfides, Spark plasma sintering, Thermal conductivity",

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AU - Wan, Chunlei

AU - Wang, Yifeng

AU - Norimatsu, Wataru

AU - Kusunoki, Michiko

AU - Koumoto, Kunihito

PY - 2012/6

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N2 - The substitutional doping of magnesium into the host layers (TiS 2), calcium and strontium into phonon barrier layers (BiS) was attempted to improve the thermoelectric performance of (BiS) 1.2(TiS 2) 2 misfit layer sulfides by decreasing the carrier concentration. The substitutional doping did reduce the carrier concentration; however, the Seebeck coefficient decreased slightly due to the decrease in the effective mass of carrier electrons. Meanwhile, the lattice thermal conductivity was increased by the formation of an ordered or commensurate structure.

AB - The substitutional doping of magnesium into the host layers (TiS 2), calcium and strontium into phonon barrier layers (BiS) was attempted to improve the thermoelectric performance of (BiS) 1.2(TiS 2) 2 misfit layer sulfides by decreasing the carrier concentration. The substitutional doping did reduce the carrier concentration; however, the Seebeck coefficient decreased slightly due to the decrease in the effective mass of carrier electrons. Meanwhile, the lattice thermal conductivity was increased by the formation of an ordered or commensurate structure.

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KW - Layered structures

KW - Misfit layer sulfides

KW - Spark plasma sintering

KW - Thermal conductivity

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Effects of alkaline earth doping on the thermoelectric properties of misfit layer sulfides

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