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Toroidal silicon polarization analyzer for resonant inelastic x-ray scattering
Xuan Gao1, Diego Casa2, Jungho Kim2
1Department of Physics, Western Michigan University, Kalamazoo, Michigan 49008-5252, USA.
The Review of Scientific Instruments
|September 3, 2016
Summary
We developed novel silicon polarization analyzers for Resonant Inelastic X-ray Scattering (RIXS) to capture crucial scattered x-ray polarization data. This advancement enhances the study of electronic excitations in materials, particularly for heavy elements.
Area of Science:
- Materials Science
- Condensed Matter Physics
- X-ray Spectroscopy
Background:
- Resonant Inelastic X-ray Scattering (RIXS) is vital for probing electronic excitations.
- Standard RIXS lacks scattered x-ray polarization analysis, limiting insight into excitation symmetry.
- Studying heavy elements, like 5-d transition metals, requires advanced spectroscopic techniques.
Purpose of the Study:
- To fabricate and characterize novel Si-based polarization analyzers for RIXS.
- To enable polarization-resolved measurements in L-edge RIXS experiments.
- To improve the study of electronic excitations in heavy atoms.
Main Methods:
- Fabrication of thin Si-based polarization analyzers.
- Design featuring a double-concave toroidal surface.
- Application in L-edge RIXS studies.
Main Results:
- Successful fabrication of functional Si-based polarization analyzers.
- Demonstrated utility for L-edge RIXS.
- Potential for detailed analysis of electronic excitations in 5-d transition metals.
Conclusions:
- The developed polarization analyzers are effective for L-edge RIXS.
- This technology enhances the capability to study electronic excitations in heavy elements.
- Polarization analysis in RIXS provides deeper insights into material properties.
