Volume 49, Number 5, March I 2000
|Page(s)||665 - 671|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 September 2002|
Resonant mixing of widely separated intermediate states and charge transfer at the 4d-4f resonance of La compounds
Center for Advanced Microstructures and Devices CAMD at Louisiana State
University - Baton Rouge, LA 70806, USA
2 University of Osnabrück, Department of Physics - D-49069, Germany
3 Institute of Metal Physics, Russian Academy of Sciences-Ural Division 620219 Yekaterinburg GSP-170, Russia
4 University of Tennessee, Physics Department - Knoxville, TN 37996, USA
5 Tulane University, Physics Department - New Orleans, LA 70118, USA
Accepted: 16 December 1999
Soft X-ray emission through the 4d-4f resonance of La is studied with monochromatic photon excitation. Strong mixing of intermediate states over an extended range of up to 21 eV is observed. The emission is resonant and fundamentally different for selective excitation energies. Different intermediate states contribute to the emission of and . Inelastic scattering due to charge-transfer excitations from the valence band to 4f and 5p to 4f is observed. Atomic and solid-state effects are treated separately and are in good agreement with our calculations.
PACS: 78.70.En – X-ray emission spectra and fluorescence / 31.10.+z – Theory of electronic structure, electronic transitions, and chemical binding
© EDP Sciences, 2000
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