Abstract
Element- and site-specific resonant inelastic x-ray scattering spectroscopy (RIXS) is employed to investigate electron correlation effects in . In contrast to single photon techniques, RIXS at the vanadium edge is able to probe transitions between V -bands. A sharp energy loss feature is observed at , which is well reproduced by a model calculation including correlation effects. The calculation identifies the loss feature as excitation between the lower and upper Hubbard bands and permits an accurate determination of the Hubbard interaction term .
- Received 25 April 2001
DOI:https://doi.org/10.1103/PhysRevLett.88.077401
©2002 American Physical Society