Determining the electron-phonon coupling strength from Resonant Inelastic X-ray Scattering at transition metal L-edges
- IFW Dresden
We show that high-resolution Resonant Inelastic X-ray Scattering (RIXS) provides direct, element-specific and momentum-resolved information on the electron-phonon (e-p) coupling strength. Our theoretical analysis indicates how the e-p coupling can be extracted from RIXS spectra by determining the differential phonon scattering cross-section. An alternative manner to extract the coupling is to use the one- and two-phonon loss ratio, which is governed by the e-p coupling strength and the core-hole lifetime. This allows the determination of the e-p coupling on an absolute energy scale.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
- Sponsoring Organization:
- DOE - BASIC ENERGY SCIENCESFOREIGN
- OSTI ID:
- 1036889
- Journal Information:
- Europhys. Lett., Vol. 95, Issue (2) ; 2011; ISSN 0295-5075
- Country of Publication:
- United States
- Language:
- ENGLISH
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