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  Pressure-induced superconductivity up to 13.1 K in the pyrite phase of palladium diselenide PdSe2

ElGhazali, M., Naumov, P. G., Mirhosseini, H., Süß, V., Müchler, L., Schnelle, W., et al. (2017). Pressure-induced superconductivity up to 13.1 K in the pyrite phase of palladium diselenide PdSe2. Physical Review B, 96(6): 060509, pp. 1-5. doi:10.1103/PhysRevB.96.060509.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F1D5-A Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-F7DB-A
Genre: Zeitschriftenartikel

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 Urheber:
ElGhazali, Moaz1, Autor              
Naumov, Pavel G.1, Autor              
Mirhosseini, Hossein1, Autor              
Süß, Vicky1, Autor              
Müchler, Lukas2, Autor
Schnelle, Walter3, Autor              
Felser, Claudia4, Autor              
Medvedev, Sergey A.5, Autor              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2External Organizations, ou_persistent22              
3Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              
5Sergiy Medvediev, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863438              

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 Zusammenfassung: The evolution of electrical transport properties, the electronic band structure, and lattice dynamics of PdSe2 is studied under high pressure. The emergence of superconductivity is reported in the high-pressure pyrite-type phase of PdSe2. In this transition-metal dichalcogenide, the critical temperature of superconductivity rapidly increases with pressure up to 13.1 K. Ab initio electronic band structure calculations indicate the presence of Dirac and nodal-line fermions in the vicinity of the Fermi energy protected by the pyrite structure symmetry, which can lead to interesting superconducting states. Raman spectroscopy shows a direct correlation between critical temperature and bonding strength of Se-Se dumbbells in PdSe2, underlining the crucial role of bonding for tuning the superconductivity.

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Sprache(n): eng - Englisch
 Datum: 2017-08-302017-08-30
 Publikationsstatus: Im Druck publiziert
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000408620400001
DOI: 10.1103/PhysRevB.96.060509
 Art des Abschluß: -

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Titel: Physical Review B
  Kurztitel : Phys. Rev. B
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Woodbury, NY : American Physical Society
Seiten: - Band / Heft: 96 (6) Artikelnummer: 060509 Start- / Endseite: 1 - 5 Identifikator: ISSN: 1098-0121
CoNE: /journals/resource/954925225008