Synthesis of Large Single Crystals and Thermoelectrical Properties of the Type‐I Clathrate K 8 Zn 4 Sn 42  [Note 3. a) Ueq is defined as one third of the ...] | Zendy

Baran Volodymyr | Zendy; Fischer Andreas | Zendy; Scherer Wolfgang | Zendy; Fässler Thomas F. | Zendy

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Synthesis of Large Single Crystals and Thermoelectrical Properties of the Type‐I Clathrate K 8 Zn 4 Sn 42 [Note 3. a) Ueq is defined as one third of the ...]

Author(s) -

Baran Volodymyr,

Fischer Andreas,

Scherer Wolfgang,

Fässler Thomas F.

Publication year - 2013

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.201300383

Subject(s) - tin , thermoelectric effect , single crystal , materials science , clathrate hydrate , bar (unit) , thermoelectric materials , crystallography , crystal structure , physical property , analytical chemistry (journal) , metallurgy , chemistry , hydrate , thermodynamics , physics , organic chemistry , chromatography , composite material , meteorology

In order to investigate the thermoelectric transport properties of tin‐based clathrates, highly dense samples are required. Since tin clathrates decompose at temperatures above 550 °C, compacting of samples by hot pressing without the formation of side products is not possible. Large single crystals of the composition K 8 Zn 4 Sn 42 suitable for physical property measurements can be obtained using the tin liquid metal flux technique. A single crystal structure determination of K 8 Zn 4 Sn 42 ( Pm $\bar{3}$ n, a = 12.07164(2) Å) shows Zn/Sn mixed occupancy at the 6 c position. According to physical property measurements, K 8 Zn 4 Sn 42 is a promising semimetallic thermoelectric material.

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