Energy-filtered XPEEM with NanoESCA using synchrotron and laboratory X-ray sources: Principles and first demonstrated results - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Surface Science : A Journal Devoted to the Physics and Chemistry of Interfaces Année : 2007

Energy-filtered XPEEM with NanoESCA using synchrotron and laboratory X-ray sources: Principles and first demonstrated results

Résumé

The importance of energy filtering in PEEM-based imaging methods has been shown in recent years with the availability of powerful instruments. A new instrument, the NanoESCA, combines a fully electrostatic PEEM column and an aberration corrected double hemispherical analyser as energy filter. This paper reports on recently demonstrated XPEEM results using the first commercially available NanoESCA instrument operated with both synchrotron soft X-rays and monochromatic laboratory AlKa radiation. The implementation of elemental and bonding-state specific imaging is shown with both excitation sources. The presently achieved (but not yet ultimate) lateral resolutions on energy filtered core-level images are 150 nm with a large synchrotron spot and below 1 um with a focused laboratory source. To date this is the unique example of laboratory XPEEM core-level imaging.

Dates et versions

hal-00704982 , version 1 (06-06-2012)

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Olivier Renault, Nicholas Barrett, Aude Bailly, Luiz Fernando Zagonel, Denis Mariolle, et al.. Energy-filtered XPEEM with NanoESCA using synchrotron and laboratory X-ray sources: Principles and first demonstrated results. Surface Science : A Journal Devoted to the Physics and Chemistry of Interfaces, 2007, 601, pp.4727. ⟨10.1016/j.susc.2007.05.061⟩. ⟨hal-00704982⟩
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