Comparison of electronic excitations in single-layer and bi-layer cuprates

Comparison of electronic excitations in single-layer and bi-layer cuprates

We compare resonant inelastic X-ray scattering spectra of the double-layer cuprate La 1.9 Ca 1.1 Cu 2 O 6 to those of the single-layer La 2 CuO 4 . While there are notable differences in the positions of the main 4 eV and 6 eV peaks at the zone boundaries, overall similarities are observed in the mo...

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Veröffentlicht in:Physica. B, Condensed matter Condensed matter, 2008-04, Vol.403 (5), p.1053-1055
Hauptverfasser: Ellis, D.S., Hill, J.P., Gu, G.D., Gog, T., Casa, D., Birgeneau, R.J., Wakimoto, S., Kim, Young-June
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cuprate
Cuprates superconductors (high tc and insulating parent compounds)
Exact sciences and technology
Exciton
La2126
Physics
RIXS
Superconductivity
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Zusammenfassung:We compare resonant inelastic X-ray scattering spectra of the double-layer cuprate La 1.9 Ca 1.1 Cu 2 O 6 to those of the single-layer La 2 CuO 4 . While there are notable differences in the positions of the main 4 eV and 6 eV peaks at the zone boundaries, overall similarities are observed in the momentum and incident energy dependencies of the excitations.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2007.10.255