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dc.contributor.authorAnupama, C-
dc.contributor.authorShipra, G-
dc.contributor.authorVasundhara, M-
dc.contributor.authorJoshi, S R-
dc.contributor.authorMutta, G R-
dc.contributor.authorJai Singh-
dc.date.accessioned2018-06-22T09:31:45Z-
dc.date.available2018-06-22T09:31:45Z-
dc.date.issued2017-11-03-
dc.identifier.citationRSC Advances, 7(80):50527-50536en_US
dc.identifier.urihttp://10.10.100.66:8080/xmlui/handle/123456789/3146-
dc.description.abstractCobalt doped zinc oxide nanoparticles (NPs) and nanorods (NRs) were synthesized by a simple chemical method. An increase in the formation of nanorods with an increase in cobalt doping is found to occur from scanning electron microscopy and transmission electron microscopy studies. Powder X-ray diffraction, high-resolution transmission electron microscopy, and selected area electron diffraction confirm the formation of a wurtzite crystal structure of ZnO. Shifting and broadening of the bands at 437 cm 1 and 579 cm 1 in the micro-Raman study of Co-doped ZnO nanostructures indicates the incorporation of Co in ZnO. Shifting of the absorption edge to lower wavelength and blue shift of the band gap is observed in UV-visible spectra of Co-doped ZnO samples. Field-dependent magnetization measurements exhibit diamagnetic behavior down to 2 K in the case of ZnO whereas Co-doped ZnO samples show coexistence of superparamagnetic and ferromagnetic behavior at room temperature and at 2 K. The observed ferromagnetism may have originated due to the exchange interaction between the localized d electrons in Co2+ atoms and free carriers generated due to Co-doping as well as due to cobalt clustering in the Co-doped samples.en_US
dc.language.isoenen_US
dc.publisherRoyal Society of Chemistryen_US
dc.titleStudy of Structural, Optical and Magnetic Properties of Cobalt Doped ZnO Nanorodsen_US
dc.typeArticleen_US
Appears in Collections:2017

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