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Magnetic dichroism in angular resolved hard X-ray photoelectron spectroscopy from buried magnetic layers.
- Source :
-
Journal of Electron Spectroscopy & Related Phenomena . Aug2013, Vol. 189, p146-151. 6p. - Publication Year :
- 2013
-
Abstract
- This work reports on the measurement of magnetic dichroism in angular-resolved photoelectron spectroscopy from in-plane magnetized buried thin films. The high bulk sensitivity of hard X-ray photoelectron spectroscopy (HAXPES) in combination with circularly polarized radiation enables the investigation of the magnetic properties of buried layers. Angular distributions of high kinetic energy (7–8keV) photoelectrons in a range of about 60° were recorded in parallel to the energy distribution. Depending on purpose, energy and angular resolutions of 150–250meV and 0.17–2° can be accomplished simultaneously in such experiments. Experiments were performed on exchange-biased magnetic layers covered by thin oxide films. More specifically, the angular distribution of photoelectrons from the ferromagnetic layer Co2FeAl layer grown on MnIr exchange-biasing layer was investigated where the magnetic structure is buried beneath a MgO layer. Pronounced magnetic dichroism is found in the Co and Fe 2p states for all angles of emission. A slightly increased magnetic dichroism was observed for normal emission in agreement with theoretical considerations. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 03682048
- Volume :
- 189
- Database :
- Academic Search Index
- Journal :
- Journal of Electron Spectroscopy & Related Phenomena
- Publication Type :
- Academic Journal
- Accession number :
- 91738925
- Full Text :
- https://doi.org/10.1016/j.elspec.2013.01.008