Bilayer splitting and wave functions symmetry in Sr3 Ir2 O7

L. Moreschini, S. Moser, A. Ebrahimi, B. Dalla Piazza, K. S. Kim, S. Boseggia, D. F. McMorrow, H. M. Rønnow, J. Chang, D. Prabhakaran, A. T. Boothroyd, E. Rotenberg, A. Bostwick, M. Grioni

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Abstract

The influence of dimensionality on the electronic properties of layered perovskite materials remains an outstanding issue. We address it here for Sr3Ir2O7, the bilayer compound of the iridate Srn+1IrnO3n+1 series. By angle-resolved photoemission spectroscopy we show that in this material the interlayer coupling is large and that the intercell coupling is, conversely, negligible. From a detailed mapping of the bilayer splitting, and from the intensity modulation of the bonding and antibonding bands with photon energy, we establish differences and similarities with the prominent case of the bilayer superconducting cuprates.

Original languageEnglish
Article number201114
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume89
Issue number20
DOIs
Publication statusPublished - 2014 May 23

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Moreschini, L., Moser, S., Ebrahimi, A., Dalla Piazza, B., Kim, K. S., Boseggia, S., McMorrow, D. F., Rønnow, H. M., Chang, J., Prabhakaran, D., Boothroyd, A. T., Rotenberg, E., Bostwick, A., & Grioni, M. (2014). Bilayer splitting and wave functions symmetry in Sr3 Ir2 O7. Physical Review B - Condensed Matter and Materials Physics, 89(20), [201114]. https://doi.org/10.1103/PhysRevB.89.201114