Electronic structure of carbosulfide superconductors

Autor(en): Kurmaev, EZ
Skorikov, NA
Galakhov, AV
Karimov, PF
Galakhov, VR
Trofimova, VA
Yarmoshenko, YM
Moewes, A
Chiuzbaian, SG
Neumann, M
Sakamaki, K
Stichwörter: FE; Materials Science; Materials Science, Multidisciplinary; Physics; Physics, Applied; Physics, Condensed Matter; SCATTERING; XPS
Erscheinungsdatum: 2005
Herausgeber: AMER PHYSICAL SOC
Journal: PHYSICAL REVIEW B
Volumen: 71
Ausgabe: 2
Zusammenfassung: 
We present electronic band structure calculations and x-ray emission and photoelectron measurements of the recently discovered van der Waals-type layered superconductors Nb2S2C and Cu2/3Nb2S2C. Good agreement between our local partial density-of-states calculations and our experimental x-ray emission measurements of the constituents as well as between calculated and experimental E(k) dispersion curves is found for Nb2S2C. For Cu2/3Nb2S2C, we observe a strong interaction between Cu 3d and S 3s3p states that is responsible for shifting the S 3s3p states toward to the bottom of the valence band.
ISSN: 24699950
DOI: 10.1103/PhysRevB.71.024528

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