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Valence state dependent room-temperature ferromagnetism in Fe-doped ceria nanocrystals
dc.creator | Dohcevic-Mitrovic, Z. D. | |
dc.creator | Paunović, Novica M. | |
dc.creator | Radović, Marko B. | |
dc.creator | Popović, Zoran V. | |
dc.creator | Matović, Branko | |
dc.creator | Cekić, Božidar Đ. | |
dc.creator | Ivanovski, Valentin N. | |
dc.date.accessioned | 2018-03-01T21:14:07Z | |
dc.date.available | 2018-03-01T21:14:07Z | |
dc.date.issued | 2010 | |
dc.identifier.issn | 0003-6951 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/4007 | |
dc.description.abstract | Room-temperature ferromagnetism was observed in undoped and Fe(2+(3+))-doped CeO(2) nanocrystals. In Fe-doped samples the enhancement of ferromagnetic ordering occurs by changing the valence state of Fe ions, whereas Raman spectra demonstrated strong electron-molecular vibrational coupling and increase in oxygen vacancy concentration. Air annealing showed degradation of ferromagnetic ordering and appearance of hematite phase in Fe(3+)-doped sample. The observed ferromagnetic coupling in Fe-doped samples, associated with the presence of magnetic ions mediated by single charged O(2-) vacancies, demonstrated that valence state of dopant has a strong influence on magnetic properties of CeO(2) nanoparticles. (C) American Institute of Physics. [doi: 10.1063/1.3431581] | en |
dc.relation | Serbian MSTD [141047], SASA [F-134] | |
dc.rights | restrictedAccess | en |
dc.source | Applied Physics Letters | en |
dc.subject | annealing | en |
dc.subject | cerium compounds | en |
dc.subject | ferromagnetic materials | en |
dc.subject | iron | en |
dc.subject | magnetic particles | en |
dc.subject | nanoparticles | en |
dc.subject | Raman spectra | en |
dc.subject | vacancies (crystal) | en |
dc.subject | valence bands | en |
dc.title | Valence state dependent room-temperature ferromagnetism in Fe-doped ceria nanocrystals | en |
dc.type | article | en |
dcterms.abstract | Радовиц, М.; Поповиц, З. В.; Цекиц, Б.; Дохцевиц-Митровиц, З. Д.; Пауновиц, Н.; Матовић Бранко; Ивановски Валентин; | |
dc.citation.volume | 96 | |
dc.citation.issue | 20 | |
dc.identifier.wos | 000277969700051 | |
dc.identifier.doi | 10.1063/1.3431581 | |
dc.citation.other | Article Number: 203104 | |
dc.citation.rank | M21 | |
dc.identifier.scopus | 2-s2.0-77953008775 |
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