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Open access Aug 2026

Effects of Sn Doping on Charge Transport and Thermoelectric Performance of Wittichenite

Wittichenite Cu3BiS3 is a promising thermoelectric material with intrinsically low thermal conductivity owing to its complex crystal structure and strong lattice anharmonicity; however, its thermoelectric performance is limited by low carrier concentration and insufficient electrical conductivity. In this study, Cu3Bi1...

Do Hyeon Lee, Il-ho Kim · 0 citations
Open access Jul 2026

Charge Transport and Thermoelectric Performance of Bornite Controlled by Cu Non-Stoichiometry

Cu-deficient bornite Cu5−xFeS4 (x = 0–0.20) samples were synthesized by mechanical alloying (MA) followed by hot pressing (HP) to investigate the effects of Cu-site non-stoichiometry on structural evolution, charge transport, and thermoelectric performance. X-ray diffraction confirmed single-phase bornite formation aft...

Hyungil Kim, H. Oh, Il-ho Kim · 0 citations

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