Abstract
In order to investigate the change in the electronic structure with Mn doping of (SRMO), we have performed soft x-ray synchrotron photoemission spectroscopy (PES) and x-ray absorption spectroscopy (XAS). In the soft x-ray PES spectra, the sharp peak structure near the Fermi level , which was clearly observed in , was suppressed accompanied with Mn doping in SRMO. In the XAS and resonant PES spectra, we have confirmed the existence of ions with the electron doping to states and partial density of state never have finite intensity at in SRMO. These results suggest that the metal-insulator transition of SRMO with Mn doping is originated from the charge transfer from the itinerant bands to the localized orbitals.
- Received 8 February 2010
DOI:https://doi.org/10.1103/PhysRevB.81.245127
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