6533b7cefe1ef96bd1256f63

RESEARCH PRODUCT

Surface magnetism studied by photoelectron spectromicroscopy with high spatial and time resolution

Gerd Schönhense

subject

RadiationMaterials scienceMagnetic momentCondensed matter physicsMagnetismAnalytical chemistrySynchrotron radiationDichroismCondensed Matter PhysicsLinear dichroismAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic MaterialsCondensed Matter::Materials SciencePhotoemission electron microscopyFerromagnetismElectron opticsPhysical and Theoretical ChemistrySpectroscopy

description

Abstract Photoemission electron microscopy (PEEM) is widely used for the study of magnetic surfaces and thin films. Ferromagnetic and antiferromagnetic microstructures are investigated exploiting magnetic circular and linear dichroism in the soft X-ray range using tuneable synchrotron radiation. Local dichroism spectroscopy gives access to magnetic moments of the elements in compounds or multilayer materials. Beyond these achievements, the method bears a high future potential with respect to an increased lateral resolution via aberration correction of the electron optics and a high time resolution in the 100 ps range for the study of dynamic processes. In addition, photoelectron spin polarisation analysis implemented into PEEM provides a novel local probe for the investigation of spin dynamics. The current instrumental state-of-the-art and the future potential of PEEM in the field of surface and thin-film magnetism are discussed and illustrated by recent examples.

yearjournalcountryeditionlanguage
2004-07-01Journal of Electron Spectroscopy and Related Phenomena
https://doi.org/10.1016/j.elspec.2004.02.161