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  LiCuS, an intermediate phase in the electrochemical conversion reaction of CuS with Li: A potential environment-friendly battery and solar cell material

Beleanu, A., Kiss, J., Baenitz, M., Majumder, M., Senyshyn, A., Kreiner, G., et al. (2016). LiCuS, an intermediate phase in the electrochemical conversion reaction of CuS with Li: A potential environment-friendly battery and solar cell material. Solid State Sciences, 55, 83-87. doi:10.1016/j.solidstatesciences.2016.02.010.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-C5AD-7 Versions-Permalink: http://hdl.handle.net/21.11116/0000-0001-0904-1
Genre: Zeitschriftenartikel

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Beleanu, Andreea1, Autor              
Kiss, Janos2, Autor              
Baenitz, Michael3, Autor              
Majumder, Mayukh2, Autor              
Senyshyn, Anatoliy4, Autor
Kreiner, Guido5, Autor              
Felser, Claudia6, Autor              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, escidoc:1863425              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, escidoc:1863404              
3Michael Baenitz, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, escidoc:1863471              
4External Organizations, escidoc:persistent22              
5Guido Kreiner, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, escidoc:1863433              
6Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, escidoc:1863429              

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 Zusammenfassung: The crystal structure of a ternary sulfide with the approximate composition LiCuS, which is a promising candidate for environment-friendly battery and solar cell materials is reported. The crystal structure was solved by a combination of neutron and X-ray powder diffraction data, and Li-7 solid-state NMR analysis. A yellow powder, Li1.1Cu0.9S, was obtained by the reaction of CuS with a slight excess of Li metal. The compound crystallizes in the Na3AgO2 structure type in the space group Ibam. An idealized crystal structure of Li1.1Cu0.9S can be derived from the cubic Li2S structure by moving a part of the Li along the c axis so that these Li atoms become linearly coordinated by S. All the metal sites are occupied by randomly mixed Li and Cu atoms; however, there is a strong preference for linear coordination by Cu. The density functional theory calculations show that Li1.1Cu0.9S is a direct band-gap semiconductor with an energy gap of 1.95 eV in agreement with experimental data. (C) 2016 The Authors. Published by Elsevier Masson SAS. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Sprache(n): eng - Englisch
 Datum: 2016-05-012016-05-01
 Publikationsstatus: Im Druck publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
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Titel: Solid State Sciences
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Paris : Elsevier Masson SAS
Seiten: - Band / Heft: 55 Artikelnummer: - Start- / Endseite: 83 - 87 Identifikator: ISSN: 1293-2558
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954926245540