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- Title
Highly efficient beamline and spectrometer for inelastic soft X-ray scattering at high resolution.
- Authors
Lai, C. H.; Fung, H. S.; Wu, W. B.; Huang, H. Y.; Fu, H. W.; Lin, S. W.; Huang, S. W.; Chiu, C. C.; Wang, D. J.; Huang, L. J.; Tseng, T. C.; Chung, S. C.; Chen, C. T.; Huang, D. J.
- Abstract
The design, construction and commissioning of a beamline and spectrometer for inelastic soft X-ray scattering at high resolution in a highly efficient system are presented. Based on the energy-compensation principle of grating dispersion, the design of the monochromator-spectrometer system greatly enhances the efficiency of measurement of inelastic soft X-rays scattering. Comprising two bendable gratings, the set-up effectively diminishes the defocus and coma aberrations. At commissioning, this system showed results of spin-flip, d-d and charge-transfer excitations of NiO. These results are consistent with published results but exhibit improved spectral resolution and increased efficiency of measurement. The best energy resolution of the set-up in terms of full width at half-maximum is 108 meV at an incident photon energy tuned about the Ni L3-edge.
- Subjects
ELECTROMAGNETIC waves; IONIZING radiation; X-ray spectra; CATHODE rays; FLUOROSCOPY
- Publication
Journal of Synchrotron Radiation, 2014, Vol 21, Issue 2, p325
- ISSN
0909-0495
- Publication type
Article
- DOI
10.1107/S1600577513030877