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Bilayer splitting and wave functions symmetry in Sr3Ir2O7

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Moreschini L., Moser S., Ebrahimi A., Dalla Piazza B., Kim K. S., Boseggia S., McMorrow D. F., Ronnow H. M., Chang J., Prabhakaran D., Boothroyd A. T., Rotenberg E., Bostwick A., Grioni M.,
Project Quantum Magnetism - Spinons, Skyrmions and Dipoles
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Original article (peer-reviewed)

Journal PHYSICAL REVIEW B
Volume (Issue) 89(20)
Page(s) 201114
Title of proceedings PHYSICAL REVIEW B
DOI 10.1103/physrevb.89.201114

Open Access

URL https://infoscience.epfl.ch/record/200992?ln=en
Type of Open Access Repository (Green Open Access)

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.
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