Schattschneider, Peter and Stöger-Pollach , Michael and Rubino, Stefano and Sperl, Matthias and Hurm, Christian and Zweck, Josef and Rusz, Ján (2008) Detection of magnetic circular dichroism on the two-nanometer scale. Physical Review B (PRB) 78 (10), p. 104413.
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Magnetic circular dichroism (MCD) is a standard technique for the study of magnetic properties of materials in synchrotron beamlines. We present here a scattering geometry in the transmission electron microscope through which MCD can be observed with unprecedented spatial resolution. A convergent electron beam is used to scan a cross sectional preparation of a Fe/Au multilayer sample. Differences in the energy-loss spectra induced by the magnetic moments of the Fe atoms can be resolved with a resolution of better than 2 nm. This is a breakthrough achievement when compared both to the previous energy-loss MCD resolution (200 nm) or the best x-ray MCD experiments (approximately 20 nm).
|Date:||18 September 2008|
|Institutions:|| Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back|
Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Günther Bayreuther
Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Josef Zweck
|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Partially|
|Deposited On:||22 Mar 2010 07:23|
|Last Modified:||06 Jul 2010 11:40|