mycoreobjectrosdok_disshab_0000001404rosdok_disshab_0000001404rosdokdisshabrosdok_derivate_00000288982023-08-08T10:06:08.669Z2015-08-05T13:47:01.741ZadministratoreditorDpublished1rosdok_derivate_0000028898truetruederivate_types:fulltextVolltextfulltextwf_edit_epub wf_register_epubstate:publishedstate:publishedveröffentlichtpublishedrosdok/id0000158383361178XMODS updated during RosDok migration in June 2021DissertationHochschulschrift1075019672KerstinWitte1985-VerfasserInautHyperfine interactions in nanostructured iron oxide compositesen132965593Prof. Dr.EberhardBurkelUniversität Rostock, Mathematisch-Naturwissenschaftliche Fakultät, Institut für Physik, Physik Neuer MaterialienAkademischeR BetreuerIndgsProf. Dr.MohsenAbd-ElmeguidUniversität zu Köln, Mathematisch-Naturwissenschaftliche Fakultät, Fachgruppe Physik, HochdruckphysikAkademischeR BetreuerIndgs2147083-2Universität RostockMathematisch-Naturwissenschaftliche FakultätGrad-verleihende Institutiondgg10.18453/rosdok_id00001583http://purl.uni-rostock.de/rosdok/id00001583urn:nbn:de:gbv:28-diss2015-0133-0530 PhysikMathematisch-Naturwissenschaftliche Fakultätfrei zugänglich (Open Access)Lizenz Metadaten: CC0Nutzungsrechte erteiltalle Rechte vorbehaltenUniversität RostockRostock2015monographic20152015Universitätsbibliothek RostockRostock20152015The field assisted sintering offers the unique possibility to consolidate materials while maintaining nanostructures. This method can be used to tailor grain sizes in sintered permanent bulk magnets. Since the physical properties of the bulk material changes, these changes have to be originated by variations of the electronic structure. In the case of iron rich magnetic materials, Moessbauer spectroscopy is an ideal tool to detect such variations. It is demonstrated that for nanostructured iron oxide bulk materials, the hyperfine interactions change due to the small size of grains below 80 nm.nanostructured iron oxide compositesMoessbauer spectroscopyfield assisted sitneringmagnetitegrain size effectsUniversitätsbibliothek Rostockhttp://purl.uni-rostock.de/rosdok/id00001583doctype:epubdoctype:epubDokumenttypDocument typedoctype:epub.dissertationdoctype:epub.dissertationDissertationdoctoral thesisdiniPublType:doctoralThesis diniPublType2022:PhDThesis XMetaDissPlusThesisLevel:thesis.doctoralinfo:eu-repo/semantics/doctoralThesisdocumentnatureOfContent:ppn_105825778natureOfContent:ppn_105825778HochschulschriftdiniPublType2022:DoctoralThesisdiniPublType2022:DoctoralThesisDissertation oder HabilitationDoctoral thesisDRIVERdiniPublType2022:PhDThesisdiniPublType2022:PhDThesisDissertationPhD thesisKDSF (Pu34)XMetaDissPlusThesisLevel:thesis.doctoralXMetaDissPlusThesisLevel:thesis.doctoralDoktorarbeitdoctoral thesisrfc5646:enrfc5646:enEnglischEnglishengengSDNB:530SDNB:530530 Physik530 Physicsinstitution:unirostockinstitution:unirostockUniversität RostockUniversity of RostockUniversität RostockUniversität RostockUni.Rostockhttp://d-nb.info/gnd/38329-6institution:unirostock.mnfinstitution:unirostock.mnfMathematisch-Naturwissenschaftliche FakultätFaculty of Mathematics and Natural SciencesUniversität Rostock. Mathematisch-Naturwissenschaftliche FakultätMathematisch-Natur-<br />wissenschaftliche FakultätUni.Rostock.Fakultaet.MNFhttp://d-nb.info/gnd/2147083-2accesscondition:openaccessaccesscondition:openaccessfrei zugänglich (Open Access)open accesshttp://purl.org/coar/access_right/c_abf2OAfreeinfo:eu-repo/semantics/openAccess[DE-28]Open Access$gControlled Vocabulary for Access Rights$uhttp://purl.org/coar/access_right/c_abf2licenseinfo:metadatalicenseinfo:metadataLizenzen für Metadatenlicenseinfo:metadata.cc0licenseinfo:metadata.cc0Lizenz Metadaten: CC0license metadata: CC0/creativecommons/p/zero/1.0/88x31.pnghttps://creativecommons.org/publicdomain/zero/1.0/licenseinfo:depositlicenseinfo:depositVeröffentlichungsgenehmigungpermission to storelicenseinfo:deposit.rightsgrantedlicenseinfo:deposit.rightsgrantedNutzungsrechte erteiltrights grantedlicenseinfo:worklicenseinfo:workWerkworklicenseinfo:work.rightsreservedlicenseinfo:work.rightsreservedalle Rechte vorbehaltenall rights reserved/creativecommons/r/reserved/0.9/88x31.png[DE-28]Urheberrechtsschutz 1.0$gRights Statements$uhttp://rightsstatements.org/vocab/InC/1.0/http://rightsstatements.org/vocab/InC/1.0/http://rightsstatements.org/vocab/InC/1.0/Hyperfine interactions in nanostructured iron oxide compositesHyperfine interactions in nanostructured iron oxide compositesgnd:1075019672gnd:132965593gnd:2147083-2gnd:1075019672gnd:132965593gnd:2147083-2rosdok_disshab_0000001404-d1448371e39gnd:1075019672Kerstin WitteKerstin Witterosdok_disshab_0000001404-d1448371e60gnd:132965593Prof. Dr. Eberhard BurkelProf. Dr. Eberhard Burkelrosdok_disshab_0000001404-d1448371e75Prof. Dr. Mohsen Abd-ElmeguidProf. Dr. Mohsen Abd-Elmeguidrosdok_disshab_0000001404-d1448371e88gnd:2147083-2Universität Rostock Mathematisch-Naturwissenschaftliche FakultätUniversität Rostock Mathematisch-Naturwissenschaftliche FakultätKerstin WitteProf. Dr. Eberhard BurkelProf. Dr. Mohsen Abd-ElmeguidUniversität Rostock Mathematisch-Naturwissenschaftliche FakultätKerstin WitteProf. Dr. Eberhard BurkelProf. Dr. Mohsen Abd-ElmeguidUniversität Rostock Mathematisch-Naturwissenschaftliche FakultätKerstin WitteRostockUniversität Rostockepub.dissertation10.18453/rosdok_id00001583http://purl.uni-rostock.de/rosdok/id00001583urn:nbn:de:gbv:28-diss2015-0133-0nanostructured iron oxide compositesMoessbauer spectroscopyfield assisted sitneringmagnetitegrain size effectsThe field assisted sintering offers the unique possibility to consolidate materials while maintaining nanostructures. This method can be used to tailor grain sizes in sintered permanent bulk magnets. Since the physical properties of the bulk material changes, these changes have to be originated by variations of the electronic structure. In the case of iron rich magnetic materials, Moessbauer spectroscopy is an ideal tool to detect such variations. It is demonstrated that for nanostructured iron oxide bulk materials, the hyperfine interactions change due to the small size of grains below 80 nm.20152015epub.dissertation1 Dissertation_Witte_2015.pdf 27336663 b2976bb2a2176e7a3749141cc4895016 rosdok/id0000158383361178XMODS updated during RosDok migration in June 2021DissertationHochschulschrift1075019672KerstinWitte1985-VerfasserInautHyperfine interactions in nanostructured iron oxide compositesen132965593Prof. Dr.EberhardBurkelUniversität Rostock, Mathematisch-Naturwissenschaftliche Fakultät, Institut für Physik, Physik Neuer MaterialienAkademischeR BetreuerIndgsProf. Dr.MohsenAbd-ElmeguidUniversität zu Köln, Mathematisch-Naturwissenschaftliche Fakultät, Fachgruppe Physik, HochdruckphysikAkademischeR BetreuerIndgs2147083-2Universität RostockMathematisch-Naturwissenschaftliche FakultätGrad-verleihende Institutiondgg10.18453/rosdok_id00001583http://purl.uni-rostock.de/rosdok/id00001583urn:nbn:de:gbv:28-diss2015-0133-0530 PhysikMathematisch-Naturwissenschaftliche Fakultätfrei zugänglich (Open Access)Lizenz Metadaten: CC0Nutzungsrechte erteiltalle Rechte vorbehaltenUniversität RostockRostock2015monographic20152015Universitätsbibliothek RostockRostock20152015The field assisted sintering offers the unique possibility to consolidate materials while maintaining nanostructures. This method can be used to tailor grain sizes in sintered permanent bulk magnets. Since the physical properties of the bulk material changes, these changes have to be originated by variations of the electronic structure. In the case of iron rich magnetic materials, Moessbauer spectroscopy is an ideal tool to detect such variations. 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This method can be used to tailor grain sizes in sintered permanent bulk magnets. Since the physical properties of the bulk material changes, these changes have to be originated by variations of the electronic structure. In the case of iron rich magnetic materials, Moessbauer spectroscopy is an ideal tool to detect such variations. It is demonstrated that for nanostructured iron oxide bulk materials, the hyperfine interactions change due to the small size of grains below 80 nm.20152015[xslt]Saxonrosdok/id00001583https://purl.uni-rostock.de/rosdok/id0000158383361178X10.18453/rosdok_id00001583urn:nbn:de:gbv:28-diss2015-0133-0Kerstin WitteWitte KerstinHyperfine interactions in nanostructured iron oxide compositesDissertationdoctoral thesisUniversität Rostock, 2015The field assisted sintering offers the unique possibility to consolidate materials while maintaining nanostructures. This method can be used to tailor grain sizes in sintered permanent bulk magnets. Since the physical properties of the bulk material changes, these changes have to be originated by…Kerstin WitteHyperfine interactions in nanostructured iron oxide compositesUniversitätsbibliothek Rostockhttp://purl.uni-rostock.de/rosdok/id000015831075019672KerstinWitte1985-VerfasserInaut132965593Prof. Dr.EberhardBurkelUniversität Rostock, Mathematisch-Naturwissenschaftliche Fakultät, Institut für Physik, Physik Neuer MaterialienAkademischeR BetreuerIndgsProf. Dr.MohsenAbd-ElmeguidUniversität zu Köln, Mathematisch-Naturwissenschaftliche Fakultät, Fachgruppe Physik, HochdruckphysikAkademischeR BetreuerIndgs2147083-2Universität RostockMathematisch-Naturwissenschaftliche FakultätGrad-verleihende Institutiondgg[doi]10.18453/rosdok_id00001583[purl]http://purl.uni-rostock.de/rosdok/id00001583[urn]urn:nbn:de:gbv:28-diss2015-0133-0open_access20152015epoch:21th_centuryrfc5646:endoctype:epub.dissertationaccesscondition:openaccessSDNB:530institution:unirostock.mnfstate:published