Electronic structure of the highly conductive perovskite oxide SrMoO${}_3$

Abstract

We use angle-resolved photoemission to map the Fermi surface and quasiparticle dispersion of bulk-like thin films of SrMoO${}_3$ grown by pulsed laser deposition. The electronic self-energy deduced from our data reveals weak to moderate correlations in SrMoO${}_3$, consistent with our observation of well-defined electronic states over the entire occupied band width. 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.

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• Evidence of electron correlation and weak bulk plasmon in SrMoO${}_3$
• Electron-phonon origins of unconventional resistivity in moderately correlated perovskite oxides