Synthesis, Crystallographic Studies, and Characterization of K 2Bi8Se13-xSx Solid Solutions

Theodora Kyratsi; Mercouri G. Kanatzidis

Synthesis, Crystallographic Studies, and Characterization of K ₂Bi₈Se_13-xS_x Solid Solutions

Theodora Kyratsi, Mercouri G. Kanatzidis

Northwestern University

Research output: Contribution to journal › Article

13 Citations (Scopus)

Abstract

The detailed crystal structures of selected members of solid solutions of the thermoelectric compounds K₂Bi₈Se_13-xS _x with x = 4, x = 6 and x = 10 were determined. The purpose of this study was to understand the nature of Se/S mass fluctuations introduced when β-K₂Bi₈Se₁₃ is alloyed with isostructural K₂Bi₈S₁₃. The details of the K/Bi disorder and Se/S distribution are examined. Lattice parameters, semiconducting band gaps and melting points are reported as function of x.

Original language	English
Pages (from-to)	2222-2228
Number of pages	7
Journal	Zeitschrift fur Anorganische und Allgemeine Chemie
Volume	629
Issue number	12-13
Publication status	Published - Dec 1 2003

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Keywords

Bismuth
Chalcogenides
Selenium
Thermoelectric properties

ASJC Scopus subject areas

Inorganic Chemistry

Cite this

Kyratsi, T., & Kanatzidis, M. G. (2003). Synthesis, Crystallographic Studies, and Characterization of K ₂Bi₈Se_13-xS_x Solid Solutions. Zeitschrift fur Anorganische und Allgemeine Chemie, 629(12-13), 2222-2228.

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