N-to-p transition on K2Bi8-xSbxSe 13 series

Th Kyratsi; E. Hatzikraniotis; A. Tsiappos; K. M. Paraskevopoulos; M. G. Kanatzidis

doi:10.1109/ICT.2006.331383

N-to-p transition on K₂Bi_8-xSb_xSe ₁₃ series

Th Kyratsi^*, E. Hatzikraniotis, A. Tsiappos, K. M. Paraskevopoulos, M. G. Kanatzidis

^*Corresponding author for this work

Chemistry

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

β-K₂Bi₈Se₁₃ and its solid solutions have been found to be interesting for thermoelectric investigations mainly due to their low thermal conductivity and highly anisotropic electrical properties. Solid solution series of the type K₂Bi_8-xSb _xSe₁₃, K_2-xRb_xBi₈Se ₁₃ as well as K₂Bi₈Se_13-xS _x has been studied. Interestingly, K₂Bi _8-xSb_xSe₁₃ presents both n- and p-type of character depending on the Sb concentration in the lattice. In this work, the n-to-p transition with Sb concentration is presented. The Seebeck coefficient is discussed as a function of x and the transition at room temperature appears at the stoichiometric region of x∼6. The transition temperature for the members of the series increases with Sb incorporation in the lattice and this can be attributed to the band gap increase.

Original language	English (US)
Title of host publication	Proceedings ICT'06 - 25th International Conference on Thermoelectrics
Pages	590-593
Number of pages	4
DOIs	https://doi.org/10.1109/ICT.2006.331383
State	Published - Dec 1 2006
Event	ICT'06 - 25th International Conference on Thermoelectrics - Vienna, Austria Duration: Aug 6 2006 → Aug 10 2006

Publication series

Name	International Conference on Thermoelectrics, ICT, Proceedings

Other

Other	ICT'06 - 25th International Conference on Thermoelectrics
Country	Austria
City	Vienna
Period	8/6/06 → 8/10/06

ASJC Scopus subject areas

Engineering(all)

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10.1109/ICT.2006.331383

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title = "N-to-p transition on K2Bi8-xSbxSe 13 series",

abstract = "β-K2Bi8Se13 and its solid solutions have been found to be interesting for thermoelectric investigations mainly due to their low thermal conductivity and highly anisotropic electrical properties. Solid solution series of the type K2Bi8-xSb xSe13, K2-xRbxBi8Se 13 as well as K2Bi8Se13-xS x has been studied. Interestingly, K2Bi 8-xSbxSe13 presents both n- and p-type of character depending on the Sb concentration in the lattice. In this work, the n-to-p transition with Sb concentration is presented. The Seebeck coefficient is discussed as a function of x and the transition at room temperature appears at the stoichiometric region of x∼6. The transition temperature for the members of the series increases with Sb incorporation in the lattice and this can be attributed to the band gap increase.",

author = "Th Kyratsi and E. Hatzikraniotis and A. Tsiappos and Paraskevopoulos, {K. M.} and Kanatzidis, {M. G.}",

year = "2006",

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doi = "10.1109/ICT.2006.331383",

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series = "International Conference on Thermoelectrics, ICT, Proceedings",

pages = "590--593",

booktitle = "Proceedings ICT'06 - 25th International Conference on Thermoelectrics",

note = "ICT'06 - 25th International Conference on Thermoelectrics ; Conference date: 06-08-2006 Through 10-08-2006",

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Kyratsi, T, Hatzikraniotis, E, Tsiappos, A, Paraskevopoulos, KM & Kanatzidis, MG 2006, N-to-p transition on K₂Bi_8-xSb_xSe ₁₃ series. in Proceedings ICT'06 - 25th International Conference on Thermoelectrics., 4133362, International Conference on Thermoelectrics, ICT, Proceedings, pp. 590-593, ICT'06 - 25th International Conference on Thermoelectrics, Vienna, Austria, 8/6/06. https://doi.org/10.1109/ICT.2006.331383

N-to-p transition on K₂Bi_8-xSb_xSe ₁₃ series. / Kyratsi, Th; Hatzikraniotis, E.; Tsiappos, A.; Paraskevopoulos, K. M.; Kanatzidis, M. G.

Proceedings ICT'06 - 25th International Conference on Thermoelectrics. 2006. p. 590-593 4133362 (International Conference on Thermoelectrics, ICT, Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AU - Tsiappos, A.

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AU - Kanatzidis, M. G.

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N2 - β-K2Bi8Se13 and its solid solutions have been found to be interesting for thermoelectric investigations mainly due to their low thermal conductivity and highly anisotropic electrical properties. Solid solution series of the type K2Bi8-xSb xSe13, K2-xRbxBi8Se 13 as well as K2Bi8Se13-xS x has been studied. Interestingly, K2Bi 8-xSbxSe13 presents both n- and p-type of character depending on the Sb concentration in the lattice. In this work, the n-to-p transition with Sb concentration is presented. The Seebeck coefficient is discussed as a function of x and the transition at room temperature appears at the stoichiometric region of x∼6. The transition temperature for the members of the series increases with Sb incorporation in the lattice and this can be attributed to the band gap increase.

AB - β-K2Bi8Se13 and its solid solutions have been found to be interesting for thermoelectric investigations mainly due to their low thermal conductivity and highly anisotropic electrical properties. Solid solution series of the type K2Bi8-xSb xSe13, K2-xRbxBi8Se 13 as well as K2Bi8Se13-xS x has been studied. Interestingly, K2Bi 8-xSbxSe13 presents both n- and p-type of character depending on the Sb concentration in the lattice. In this work, the n-to-p transition with Sb concentration is presented. The Seebeck coefficient is discussed as a function of x and the transition at room temperature appears at the stoichiometric region of x∼6. The transition temperature for the members of the series increases with Sb incorporation in the lattice and this can be attributed to the band gap increase.

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