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Growth of CuSbS 2 Single Crystal as an Environmentally Friendly Thermoelectric Material
Author(s) -
Nagaoka Akira,
Takeuchi Manato,
Yoshino Kenji,
Ikeda Shigeru,
Yasui Shintaro,
Taniyama Tomoyasu,
Nishioka Kensuke
Publication year - 2019
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.201800861
Subject(s) - thermoelectric effect , orthorhombic crystal system , materials science , crystallite , thermoelectric materials , environmentally friendly , thermal conductivity , single crystal , zone melting , crystal (programming language) , characterization (materials science) , electrical resistivity and conductivity , analytical chemistry (journal) , crystal structure , mineralogy , nanotechnology , crystallography , composite material , metallurgy , chemistry , thermodynamics , electrical engineering , physics , organic chemistry , ecology , engineering , biology , computer science , programming language
High‐quality p‐type chalcostibite CuSbS 2 single crystal is successfully synthesized by zone melting method for investigating fundamental properties. The grown crystal is orthorhombic structure and nearly stoichiometric with slightly Cu‐rich composition. The electrical properties are the hole concentration of 8.0 × 10 16 cm −3 , conductivity of 0.8 S cm −1 , and mobility of 65 cm 2 V −1 s −1 by Hall effect measurement at room temperature. Intrinsic low thermal conductivity in CuSbS 2 single crystal is 0.9 W mK −1 at room temperature, which is an advantage of thermoelectric material. These results indicate that CuSbS 2 has potential as an environmentally friendly high performance thermoelectric material and provide references for the results of characterization on polycrystalline samples.