Characterization of RScO3, LuFe2O4 and M72Fe30 based molecules by x-ray spectroscopic techniques
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https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2013040810750
https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2013040810750
Full metadata record
DC Field | Value | Language |
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dc.contributor.advisor | apl. Prof. Dr. Manfred Neumann | |
dc.creator | Derks, Christine | |
dc.date.accessioned | 2013-04-08T07:34:05Z | |
dc.date.available | 2013-04-08T07:34:05Z | |
dc.date.issued | 2013-04-08T07:34:05Z | |
dc.identifier.uri | https://osnadocs.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2013040810750 | - |
dc.description.abstract | This thesis gives a detailed overview about the electronic and magnetic structure of three different kinds of 3d-transition metal based materials with potential for possible future applications. The presented materials are a series of “high-k” rare-earth scandates, RScO3 (R=Pr, Nd, Sm, Eu, Gd, Tb and Dy), the muliferroic layered oxide LuFe2O4, and three iron-based magnetic polyoxometalates of the type {(M)M5}Fe30 (M =Mo,W). The samples are examined by several different x-ray spectroscopic techniques and complementary theoretical approaches, namely multiplet calculations and first principles electronic structure calculations, respectively. The occupied electronic states are determined by photoelectron spectroscopy (XPS) and x-ray emission spectroscopy (XES). The unoccupied states are investigated by x-ray absorption spectroscopy (XAS). X-ray magnetic circular dichroim (XMCD) is used to get the element specific magnetic moment of the materials, and these results are compared to SQUID measurements. | eng |
dc.subject | Röntgenspektroskopie | ger |
dc.subject | Multiferroics | eng |
dc.subject | Seltene Erden | ger |
dc.subject | Polyoxometalate | ger |
dc.subject.ddc | 530 - Physik | |
dc.title | Characterization of RScO3, LuFe2O4 and M72Fe30 based molecules by x-ray spectroscopic techniques | eng |
dc.type | Dissertation oder Habilitation [doctoralThesis] | - |
thesis.location | Osnabrück | - |
thesis.institution | Universität | - |
thesis.type | Dissertation [thesis.doctoral] | - |
thesis.date | 2013-03-01 | - |
dc.contributor.referee | Prof. Dr. Joachim Wollschläger | |
dc.subject.bk | 33.61 - Festkörperphysik | |
dc.subject.bk | 33.05 - Experimentalphysik | |
vCard.ORG | FB4 | |
Appears in Collections: | FB06 - E-Dissertationen |
Files in This Item:
File | Description | Size | Format | |
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thesis_derks.pdf | Präsentationsformat | 15,7 MB | Adobe PDF | thesis_derks.pdf View/Open |
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