Ultrahigh-resolution electron energy loss spectroscopy via digital signal processing techniques
- 7 December 1992
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 69 (23) , 3326-3329
- https://doi.org/10.1103/physrevlett.69.3326
Abstract
The methodology underlying a novel spectral analysis is presented for inelastic electron scattering from solids. Implementation of the method involves Fourier transformation of the measured spectrum and deconvolution in the Fourier domain, spectral estimation using the maximum entropy method and line-shape analysis using Gaussian and Lorentzian functions, all performed in the Fourier domain. The utility of the method is demonstrated for the case of vibrationally inelastic electron scattering from CO adsorbed on Ru(001).Keywords
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