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  Interplay of Atomic Interactions in the Intermetallic Semiconductor Be5Pt

Amon, A., Svanidze, E., Ormeci, A., König, M., Kasinathan, D., Takegami, D., et al. (2019). Interplay of Atomic Interactions in the Intermetallic Semiconductor Be5Pt. Angewandte Chemie, International Edition in English, 58(44), 15928-15933. doi:10.1002/anie.201909782.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0004-DBA5-B Versions-Permalink: https://hdl.handle.net/21.11116/0000-0005-196C-7
Genre: Zeitschriftenartikel

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Amon, Alfred1, Autor           
Svanidze, Eteri1, Autor           
Ormeci, Alim1, Autor           
König, Marcus2, Autor           
Kasinathan, Deepa3, Autor           
Takegami, Daisuke3, Autor           
Prots, Yurii4, Autor           
Liao, Yen-Fa5, Autor
Tsuei, Ku-Ding5, Autor
Tjeng, Liu Hao6, Autor           
Leithe-Jasper, Andreas7, Autor           
Grin, Yuri8, Autor           
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Markus König, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863470              
3Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
4Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863424              
5External Organizations, ou_persistent22              
6Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
7Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863406              
8Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Zusammenfassung: Semiconducting substances form one of the most important families of functional materials. However, semiconductors containing only metals are very rare. The chemical mechanisms behind their ground-state properties are only partially understood. Our investigations have rather unexpectedly revealed the semiconducting behaviour (band gap of 190 meV) for the intermetallic compound Be5Pt formed at a very low valence-electron count. Quantum-chemical analysis shows strong charge transfer from Be to Pt and reveals a three-dimensional entity of vertex-condensed empty Be-4 tetrahedrons with multi-atomic cluster bonds interpenetrated by the framework of Pt-filled vertex-condensed Be-4 tetrahedrons with two-atomic polar Be-Pt bonds. The combination of strong Coulomb interactions with relativistic effects results in a band gap.

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Sprache(n): eng - English
 Datum: 2019-09-042019-09-04
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1002/anie.201909782
 Art des Abschluß: -

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Titel: Angewandte Chemie, International Edition in English
  Kurztitel : Angew. Chem., Int. Ed. Engl.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Weinheim : Wiley-VCH
Seiten: - Band / Heft: 58 (44) Artikelnummer: - Start- / Endseite: 15928 - 15933 Identifikator: ISSN: 0570-0833
CoNE: https://pure.mpg.de/cone/journals/resource/0570-0833