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A “Thickness Series”: Weak Signal Extraction of ELNES in EELS Spectra From Surfaces
Published online by Cambridge University Press: 17 December 2013
Abstract
We report a new simple but effective method to extract the weak surface signals from a “thickness series” of recorded electron energy-loss spectra. Using precise thickness measurements and energy-loss near-edge structures measured at increasing thicknesses, we are able to extract the surface and bulk components in the series. The electronic structure and bonding information from SrTiO3 (001) reconstructed surfaces have been successfully obtained by applying this approach. This approach can be applied to study many other cases including absorbed monolayers and beam-sensitive interfaces.
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- Copyright © Microscopy Society of America 2013
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