Charge ordering in Ir dimers in the ground state of Ba$_5$AlIr$_2$O$_{11}$

Vamshi M. Katukuri, ∗ Xingye Lu, 3, † D. E. McNally, Marcus Dantz, Vladimir N. Strocov, M. Moretti Sala, M. H. Upton, J. Terzic, 7 G. Cao, 7 Oleg V. Yazyev, and Thorsten Schmitt ‡ Institute of Physics, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland Swiss Light Source, Photon Science Division, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland Center for Advanced Quantum Studies and Department of Physics, Beijing Normal University, Beijing 100875, China European Synchrotron Radiation Facility, BP 220, F-38043 Grenoble Cedex, France Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506, USA Department of Physics, University of Colorado at Boulder, Boulder, CO 80309 (Dated: February 4, 2021)