dc.contributor.author | Lee, M.-Y. | en |
dc.contributor.author | Bilc, D. I. | en |
dc.contributor.author | Symeou, E. | en |
dc.contributor.author | Lin, Y.-C. | en |
dc.contributor.author | Liang, I.-C. | en |
dc.contributor.author | Kyratsi, Theodora | en |
dc.contributor.author | Hsu, K. F. | en |
dc.creator | Lee, M.-Y. | en |
dc.creator | Bilc, D. I. | en |
dc.creator | Symeou, E. | en |
dc.creator | Lin, Y.-C. | en |
dc.creator | Liang, I.-C. | en |
dc.creator | Kyratsi, Theodora | en |
dc.creator | Hsu, K. F. | en |
dc.date.accessioned | 2019-05-06T12:24:03Z | |
dc.date.available | 2019-05-06T12:24:03Z | |
dc.date.issued | 2017 | |
dc.identifier.uri | http://gnosis.library.ucy.ac.cy/handle/7/48576 | |
dc.description.abstract | A new metal telluride Ba3Ag3InTe6 was synthesized by a solid-state reaction at 650 °C. Crystal data: Orthorhombic, Cmc21, a = 4.5669(3) Å, b = 27.9366(16) Å, c = 13.3819(8) Å, V = 1707.3(2) Å3, and Z = 4. This compound adopts a new two-dimensional structure constructed by AgTe4 and InTe4 tetrahedra and Ba2+ cations. The edge-sharing AgTe4 tetrahedra form a puckered layer of [Ag3Te4]5- and the corner-sharing InTe4 tetrahedra form a zig-zag chain of [InTe2]- that dangles from both edges of the layer. The band gap determined by UV-vis-NIR absorption spectra is estimated to be around 0.48 eV. This compound is a p-type semiconductor with high Seebeck coefficients of 325-334 μV K-1 in an entire temperature range of 320-400 K. The electrical conductivity of 9.4 S cm-1 and the thermal conductivity of 0.35 W mK-1 give a ZT value of 0.11 at 400 K. The electronic band structure reveals a direct band gap at the Γ point of the face centered primitive Brillouin zone. The density of states (DOS) analysis shows that the p-type hole transport is mostly achieved through the layer consisting of AgTe4 tetrahedra. © 2017 the Partner Organisations. | en |
dc.language.iso | eng | en |
dc.source | Inorganic Chemistry Frontiers | en |
dc.title | Synthesis, crystal structure and thermoelectric properties of a new metal telluride Ba3Ag3InTe6 | en |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | 10.1039/c7qi00210f | |
dc.description.volume | 4 | |
dc.description.startingpage | 1458 | |
dc.description.endingpage | 1464 | |
dc.author.faculty | Πολυτεχνική Σχολή / Faculty of Engineering | |
dc.author.department | Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering | |
dc.type.uhtype | Article | en |
dc.contributor.orcid | Kyratsi, Theodora [0000-0003-2916-1708] | |
dc.description.totalnumpages | 1458-1464 | |
dc.gnosis.orcid | 0000-0003-2916-1708 | |