Electronic structure of the highly conductive perovskite oxide SrMoO_(3)

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We use angle-resolved photoemission to map the Fermi surface and quasiparticle dispersion of bulklike thin films of SrMoO3 grown by pulsed laser deposition. The electronic self-energy deduced from our data reveals weak to moderate correlations in SrMoO3, consistent with our observation of well-defined electronic states over the entire occupied bandwidth. We further introduce spectral function calculations that combine dynamical mean-field theory with an unfolding procedure of density functional calculations and demonstrate good agreement of this approach with our experiments.
©The Author(s), Published by the American Physical Society We thank J. Fowlie, M. Hadjimichael, C. Lichtensteiger, and W. Rischau for discussions and help with some of the experiments. This work was supported Swiss National Science Foundation (SNSF) Grants No. 184998, No. 177006, and No.165791; SNSF Ambizione fellowship 161327; Comunidad de Madrid (Atracción de Talento Grant No. 2018-T1/IND-10521); the European Unions Horizon 2020 research and innovation programme under theMarie Skodowska-Curie Grant agreement No. 884104 (PSI-FELLOW-III-3i); and the Spanish Ministry of Science and Innovation (MICINN - PID2019-105238GA-I00, MICINN-FEDER RTI2018-097895-B-C43). M.R. and E.B.G. acknowledge SNSF Grant No. 200021-182695. C.E.D. acknowledges support from the National Science Foundation under Grant No. DMR-1918455. The Flatiron Institute is a division of the Simons Foundation.