Bulk-like d band of SrVO3 under a self-protective cap layer

Details Bulk-like d band of SrVO3 under a self-protective cap layer Bulk-like d band of SrVO3 under a self-protective cap layer

2008-06-13

arxiv.org/abs/0806.2231v1

Phys. Rev. B 80, 235104 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

We have performed a detailed angel-resolved photoemission spectroscopy study of in-situ prepared SrVO3 thin films. Naturally capped by a ``transparent'' protective layer, contributions from surface states centered at ~ -1.5 eV are dramatically reduced, enabling us to study the bulk V 3d states. We have observed a clear band dispersion not only in the coherent quasiparticle part but also in the incoherent part, which are reproduced by dynamical mean-field theory calculations and the spectral weight of the incoherent part is stronger within the Fermi surface.

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