Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides

Kensei Terashima; Y. Yano; E. Paris; Y. Goto; Y. Mizuguchi; Y. Kamihara; T. Wakita; Y. Muraoka; N. L. Saini; T. Yokoya

Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides

Kensei Terashima, Y. Yano, E. Paris, Y. Goto, Y. Mizuguchi, Y. Kamihara, T. Wakita, Y. Muraoka, N. L. Saini, T. Yokoya

Research Institute for Interdisciplinary Science

Research output: Contribution to journal › Article › peer-review

Abstract

Spectroscopic techniques, including photoelectron spectroscopy, diffuse reflectance, and x-ray absorption, are used to investigate the electronic structure and the local structure of LaOBiS2−xSex thermoelectric material. It is found that Se substitution effectively suppresses local distortion, that can be responsible for the increased carrier mobility together with a change in the electronic structure. The results suggest a possible way to control thermoelectric properties by tuning of the local crystal structure of these materials.

Original language	English
Journal	Unknown Journal
Publication status	Published - Mar 28 2019

ASJC Scopus subject areas

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title = "Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides",

abstract = "Spectroscopic techniques, including photoelectron spectroscopy, diffuse reflectance, and x-ray absorption, are used to investigate the electronic structure and the local structure of LaOBiS2−xSex thermoelectric material. It is found that Se substitution effectively suppresses local distortion, that can be responsible for the increased carrier mobility together with a change in the electronic structure. The results suggest a possible way to control thermoelectric properties by tuning of the local crystal structure of these materials.",

author = "Kensei Terashima and Y. Yano and E. Paris and Y. Goto and Y. Mizuguchi and Y. Kamihara and T. Wakita and Y. Muraoka and Saini, {N. L.} and T. Yokoya",

year = "2019",

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issn = "0402-1215",

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T1 - Enhanced thermoelectricity by controlled local structure in bismuth-chalcogenides

AU - Terashima, Kensei

AU - Yano, Y.

AU - Paris, E.

AU - Goto, Y.

AU - Mizuguchi, Y.

AU - Kamihara, Y.

AU - Wakita, T.

AU - Muraoka, Y.

AU - Saini, N. L.

AU - Yokoya, T.

PY - 2019/3/28

Y1 - 2019/3/28

N2 - Spectroscopic techniques, including photoelectron spectroscopy, diffuse reflectance, and x-ray absorption, are used to investigate the electronic structure and the local structure of LaOBiS2−xSex thermoelectric material. It is found that Se substitution effectively suppresses local distortion, that can be responsible for the increased carrier mobility together with a change in the electronic structure. The results suggest a possible way to control thermoelectric properties by tuning of the local crystal structure of these materials.

AB - Spectroscopic techniques, including photoelectron spectroscopy, diffuse reflectance, and x-ray absorption, are used to investigate the electronic structure and the local structure of LaOBiS2−xSex thermoelectric material. It is found that Se substitution effectively suppresses local distortion, that can be responsible for the increased carrier mobility together with a change in the electronic structure. The results suggest a possible way to control thermoelectric properties by tuning of the local crystal structure of these materials.

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SN - 0402-1215

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