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000141523 0247_ $$2Handle$$a2128/5737
000141523 0247_ $$2ISSN$$a1866-1807
000141523 020__ $$a978-3-89336-913-3
000141523 037__ $$aFZJ-2013-06691
000141523 041__ $$aGerman
000141523 1001_ $$0P:(DE-Juel1)140335$$aNickel, Florian$$b0$$eCorresponding author$$gmale$$ufzj
000141523 245__ $$aAberrationskorrigierte Photoemissionsmikroskopie an magnetischen Systemen: Von statischer Charakterisierung zu zeitaufgelöster Abbildung$$f2013-12-31
000141523 260__ $$aJülich$$bForschungszentrum Jülich GmbH Zentralbibliothek, Verlag$$c2013
000141523 300__ $$ax, 99 S.
000141523 3367_ $$0PUB:(DE-HGF)11$$2PUB:(DE-HGF)$$aDissertation / PhD Thesis$$bphd$$mphd$$s141523
000141523 3367_ $$02$$2EndNote$$aThesis
000141523 3367_ $$2DRIVER$$adoctoralThesis
000141523 3367_ $$2BibTeX$$aPHDTHESIS
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000141523 3367_ $$2ORCID$$aDISSERTATION
000141523 4900_ $$0PERI:(DE-600)2445293-2$$aSchriften des Forschungszentrums Jülich. Reihe Schlüsseltechnologien / key technologies$$v75
000141523 502__ $$aUniversität Duisburg, Diss., 2013$$bDr.$$cUniversität Duisburg$$d2013
000141523 500__ $$3POF3_Assignment on 2016-02-29
000141523 520__ $$aThis thesis aims at realizing time-resolved magnetic-imaging in an energy-filtered and aberration-corrected photoemission microscope (TRACX-PEEM). To routinely make use of higher lateral resolution in conjunction with improved transmission of the latest generation PEEM, the aberration coefficients C$_{3}$, C$_{c}$ of the electron lenses had to be measured experimentally. The phase space of the tetrode mirror-corrector was further on adapted to the determined lens aberrations in order to employ fully automatic and start-energy dependent aberration tracking. For efficient use of the synchrotron radiation a new time-resolving mode of operation was developed preserving energy-filtering and aberration-correction of the PEEM. The developments consist of a sample holder for excitation of a sample with a magnetic field up to 10 mT within 1 ns. Furthermore, a novel type of deflection gating was developed, to block the electron optical axis within a few nanoseconds. The system involves an electrostatic de ection electrode, as an additional electron-optical element, incorporated in a magnetic prism sector. The new operation mode enables time-resolved experiments using isolated bunches of the filling-pattern. To directly measure the excitation pulse during time-resolved experiments, a new method based on time- and spatially resolved secondary electron spectroscopy is developed. The method allows for quantifying the time-dependent secondary-electron spectra of a microstripline and further analysis of amplitude and shape of the excitation pulse. Within this thesis, magnetodynamic measurements using a novel type of aberrationcorrected PEEM were performed for the first time. The measurements were carried out on microstructured Permalloy samples. The magnetodynamic response of the latter was explored on the picosecond time-scale exploiting the newly developed TRACX-PEEM method. For additional survey and interpretation of the experiments, micromagnetic simulations were performed.
000141523 536__ $$0G:(DE-HGF)POF2-422$$a422 - Spin-based and quantum information (POF2-422)$$cPOF2-422$$fPOF II$$x0
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000141523 9141_ $$y2013
000141523 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)140335$$aForschungszentrum Jülich GmbH$$b0$$kFZJ
000141523 9132_ $$0G:(DE-HGF)POF3-529H$$1G:(DE-HGF)POF3-520$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bKey Technologies$$lFuture Information Technology - Fundamentals, Novel Concepts and Energy Efficiency (FIT)$$vAddenda$$x0
000141523 9131_ $$0G:(DE-HGF)POF2-422$$1G:(DE-HGF)POF2-420$$2G:(DE-HGF)POF2-400$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bSchlüsseltechnologien$$lGrundlagen zukünftiger Informationstechnologien$$vSpin-based and quantum information$$x0
000141523 920__ $$lyes
000141523 9201_ $$0I:(DE-Juel1)PGI-6-20110106$$kPGI-6$$lElektronische Eigenschaften$$x0
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