Resonant Inelastic X-Ray Scattering in Nd{sub 2} CuO{sub 4}
Journal Article
·
· Physical Review Letters
- Department of Physics, Brookhaven National Laboratory, Upton, New York 11973 (United States)
- National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973 (United States)
- Institute for Solid State Physics, University of Tokyo, Roppongi, Minato-ku, Tokyo 106 (Japan)
- Center for Superconductivity Research, Department of Physics and Astronomy, University of Maryland, College Park, Maryland 20742 (United States)
We report inelastic x-ray scattering studies of charge excitations in insulating Nd{sub 2}CuO {sub 4} as a function of incident photon energy. An excitation of {approximately}6 eV is observed when the incident photon energy is tuned through the Cu K edge. This is interpreted as resonantly enhanced inelastic x-ray scattering. Numerical calculations identify the 6 eV feature as a charge-transfer excitation to the antibonding state and suggest that nonlocal effects play a role in determining the shape of the resonance. {copyright} {ital 1998} {ital The American Physical Society}
- Research Organization:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 664914
- Journal Information:
- Physical Review Letters, Vol. 80, Issue 22; Other Information: PBD: Jun 1998
- Country of Publication:
- United States
- Language:
- English
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