Electron paramagnetic resonance of organic and inorganic centers in gamma-irradiated natural sepiolite minerals

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dc.contributor.authorKoseoglu, Rahmi
dc.contributor.authorKoksal, Fevzi
dc.contributor.authorAkkurt, Mehmet
dc.contributor.authorCiftci, Emin
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2006
dc.departmentNiğde ÖHÜ
dc.description.abstractNatural sepiolite minerals and their gamma-irradiated forms were investigated by electron paramagnetic resonance (EPR) at room temperature and at 113 K. The EPR signals in powders of natural sepiolite were observed due to clusters of Fe(3+) ions. The paramagnetic centers produced by gamma-irradiation of natural sepiolite minerals were attributed to the CH(3) at room temperature and SO(2)(-) and SO(3)(-) radicals at 113 K. These centers were found to be perfectly observable above 20 mW microwave power. The g values of all paramagnetic centers have been measured and the A values of some of them have been reported. The results were consistent with the literature data for similar paramagnetic centers.
dc.identifier.endpage417
dc.identifier.issn0932-0784
dc.identifier.issue45511
dc.identifier.startpage413
dc.identifier.urihttps://hdl.handle.net/11480/5507
dc.identifier.volume61
dc.identifier.wosWOS:000240769000016
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherVERLAG Z NATURFORSCH
dc.relation.ispartofZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectEPR
dc.subjectparamagnetic centers
dc.subjectgamma-irradiation
dc.subjectsepiolite minerals
dc.titleElectron paramagnetic resonance of organic and inorganic centers in gamma-irradiated natural sepiolite minerals
dc.typeArticle

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