000842579 001__ 842579 000842579 005__ 20220930130140.0 000842579 0247_ $$2doi$$a10.1002/andp.201700363 000842579 0247_ $$2Handle$$a2128/18266 000842579 0247_ $$2WOS$$aWOS:000428350500010 000842579 0247_ $$2altmetric$$aaltmetric:33680605 000842579 037__ $$aFZJ-2018-00792 000842579 041__ $$aEnglish 000842579 082__ $$a530 000842579 1001_ $$0P:(DE-Juel1)162347$$aSchmitz-Antoniak, Carolin$$b0$$eCorresponding author 000842579 245__ $$aSuppression of the Verwey Transition by Charge Trapping 000842579 260__ $$aBerlin$$bWiley-VCH$$c2018 000842579 3367_ $$2DRIVER$$aarticle 000842579 3367_ $$2DataCite$$aOutput Types/Journal article 000842579 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1524561197_25918 000842579 3367_ $$2BibTeX$$aARTICLE 000842579 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000842579 3367_ $$00$$2EndNote$$aJournal Article 000842579 500__ $$aOnline First 000842579 520__ $$aThe Verwey transition in Fe3O4 nanoparticles with a mean diameter of 6.3 nm is suppressed after capping the particles with a 3.5 nm thick shell of SiO2. By X‐ray absorption spectroscopy and its associated X‐ray magnetic circular dichroism this suppression can be correlated to localized Fe2+ states and a reduced double exchange visible in different site‐specific magnetization behavior in high magnetic fields. The results are discussed in terms of charge trapping at defects in the Fe3O4/ SiO2 interface and the consequent difficulties in the formation of the common phases of Fe3O4. By comparison to X‐ray absorption spectra of bare Fe3O4 nanoparticles in course of the Verwey transition, particular changes in the spectral shape could be correlated to changes in the number of unoccupied d states for Fe ions at different lattice sites. 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