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000427661 037__ $$aPUBDB-2019-04127
000427661 041__ $$aEnglish
000427661 1001_ $$0P:(DE-H253)PIP1029484$$aSchunck, Jan$$b0$$eCorresponding author$$gmale
000427661 245__ $$aCombining resonant inelastic X-ray scattering with micrometer resolution to image electronic properties of quantum materials$$f2019-01-16 - 2019-10-16
000427661 260__ $$c2019
000427661 300__ $$a59 pages
000427661 3367_ $$2DataCite$$aOutput Types/Supervised Student Publication
000427661 3367_ $$02$$2EndNote$$aThesis
000427661 3367_ $$2BibTeX$$aMASTERSTHESIS
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000427661 3367_ $$0PUB:(DE-HGF)19$$2PUB:(DE-HGF)$$aMaster Thesis$$bmaster$$mmaster$$s1575878751_14323
000427661 3367_ $$2ORCID$$aSUPERVISED_STUDENT_PUBLICATION
000427661 502__ $$aMasterarbeit, University of Hamburg, 2019$$bMasterarbeit$$cUniversity of Hamburg$$d2019$$o2019-11-19
000427661 520__ $$aThis thesis presents developments and results of an experimental setup which combines soft X-ray spectroscopy methods for electronic structure analysis and imaging capabilities with the goal to gain detailed understanding of quantum materials, which exhibit spatial electronic inhomogeneities. The setup features a combination of two Fresnel zone plates which are about 1mm long and sub-μm wide: Firstly, a linear illumination zone plate creates a vertical X-ray focus line on the sample. Secondly, an off-axis zone plate, located between the sample and the two-dimensional detector, disperses X-rays emitted from the sample in horizontal direction, while also imaging the sample onto the detector at the same time. In this way, a 2D map is created on the detector which, in the vertical dimension, contains information on the position on the sample from where the X-rays are emitted, and in the horizontal dimension resolves the photon energies emitted from the sample. The presented experiment was performed at the soft X-ray beamline P04 of the synchrotron radiation source PETRA III at the DESY research facility in Hamburg. In the first part of the experiment, the spatial resolution of the setup was determined to be better than 3 μm. Secondly, this spatial resolution was combined with X-ray absorption (XAS) and resonant inelastic X-ray scattering (RIXS) measurements at the oxygen Kedge to investigate the insulator-to-metal phase transition of VO2 microsquares with an edge length of 30 μm. These structures were studied, in order to answer the question if the phase transition behaviour is different in structured parts of a sample, where the defect density at the edges of structures may act as nucleation centres. This is compared to the central area of the squares acting as a model for a bulk material reference. This is an important step towards functionalising phase transitions in complex materials, where insights from bulk materials may not readily be transferred to structured devices.
000427661 536__ $$0G:(DE-HGF)POF3-6G3$$a6G3 - PETRA III (POF3-622)$$cPOF3-622$$fPOF III$$x0
000427661 536__ $$0G:(DE-HGF)POF3-6214$$a6214 - Nanoscience and Materials for Information Technology (POF3-621)$$cPOF3-621$$fPOF III$$x1
000427661 536__ $$0G:(DE-H253)I-20180454$$aFS-Proposal: I-20180454 (I-20180454)$$cI-20180454$$x2
000427661 536__ $$0G:(DE-HGF)2016_IVF-VH-NG-1105$$aVH-NG-1105 - Novel soft X-ray spectroscopies for materials science (2016_IVF-VH-NG-1105)$$c2016_IVF-VH-NG-1105$$x3
000427661 693__ $$0EXP:(DE-H253)P-P04-20150101$$1EXP:(DE-H253)PETRAIII-20150101$$6EXP:(DE-H253)P-P04-20150101$$aPETRA III$$fPETRA Beamline P04$$x0
000427661 7001_ $$0P:(DE-H253)PIP1005334$$aBeye, Martin$$b1$$eThesis advisor$$udesy
000427661 7001_ $$0P:(DE-H253)PIP1008438$$aSchroer, Christian$$b2$$eThesis advisor$$udesy
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000427661 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1005334$$aDeutsches Elektronen-Synchrotron$$b1$$kDESY
000427661 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1008438$$aDeutsches Elektronen-Synchrotron$$b2$$kDESY
000427661 9131_ $$0G:(DE-HGF)POF3-622$$1G:(DE-HGF)POF3-620$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF3-6G3$$aDE-HGF$$bForschungsbereich Materie$$lVon Materie zu Materialien und Leben$$vFacility topic: Research on Matter with Brilliant Light Sources$$x0
000427661 9131_ $$0G:(DE-HGF)POF3-621$$1G:(DE-HGF)POF3-620$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF3-6214$$aDE-HGF$$bForschungsbereich Materie$$lVon Materie zu Materialien und Leben$$vIn-house research on the structure, dynamics and function of matter$$x1
000427661 9141_ $$y2019
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