Synthesis, Crystallographic Studies, and Characterization of K 2 Bi 8 Se 13—x S x  Solid Solutions | Zendy

Kyratsi Theodora | Zendy; Kanatzidis Mercouri G. | Zendy

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Synthesis, Crystallographic Studies, and Characterization of K 2 Bi 8 Se 13—x S x Solid Solutions

Author(s) -

Kyratsi Theodora,

Kanatzidis Mercouri G.

Publication year - 2003

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.200300213

Subject(s) - isostructural , solid solution , crystal structure , thermoelectric effect , crystallography , characterization (materials science) , materials science , x ray crystallography , band gap , lattice (music) , chemistry , diffraction , physics , nanotechnology , thermodynamics , metallurgy , optoelectronics , optics , acoustics

The detailed crystal structures of selected members of solid solutions of the thermoelectric compounds K 2 Bi 8 Se 13—x S 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‐K 2 Bi 8 Se 13 is alloyed with isostructural K 2 Bi 8 S 13 . 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.

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