Temperature and magnetic field dependent magnetization of nanoparticulate ZnFe2O4 produced by mechanochemical synthesis

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dc.contributor.authorNesa, Fen_AU
dc.contributor.authorWang, Xen_AU
dc.contributor.authorWang, JLen_AU
dc.contributor.authorKennedy, SJen_AU
dc.contributor.authorCampbell, SJen_AU
dc.contributor.authorHoffman, Men_AU
dc.date.accessioned2022-08-29T05:36:23Zen_AU
dc.date.available2022-08-29T05:36:23Zen_AU
dc.date.issued2016-02-02en_AU
dc.date.statistics2021-09-24en_AU
dc.description.abstractZnFe2O4 is basically a non-inverted ferrite which is enormously used as ferrofluids, magnetoelectric refrigeration and contrast agent for magnetic resonance imaging. A series of nanoparticulate ZnFe2O4 of average sizes F ~ 9 nm to 90 nm with a range of inversion 0.008 to 0.35 has been produced by mechanochemical synthesis. The blocking temperature of the investigated samples has increased with increasing crystallite size and accordingly behaved as Curie-Weiss paramagnetic materials. The temperature dependent magnetic behavior of these nanoparticulates has been investigated over the temperature range from 5 K to 300 K at a magnetic field of 100 oe. DC magnetization over a magnetic field range of 0 oe to 10000 oe at 5 K, 150 K and 200 K has been observed which interpreted that the samples are superparamagnetic materials. All the samples showed the normal magnetic hysteresis below blocking temperature which also shows that the coercively increases with decreasing inversion 1. The frequency dependent magnetic behaviour of nanoparticulate ZnFe2O4 of 90 nm crystallite size has also been studied over a frequency range of 10 Hz to 10000 Hz which interpreted that with the increase of frequency the magnetization of this sample increased to saturation magnetization for all samples are approximately at 100 K temperature.en_AU
dc.identifier.citationNesa, F., Wang, X., Wang, J., Kennedy, S., Campbell, S., & Hoffman, M. (2016). Temperature and magnetic field dependent magnetization of nanoparticulate ZnFe2O4 produced by mechanochemical synthesis. Paper presented to the 40th Annual Condensed Matter and Materials Meeting Charles Sturt University, Wagga Wagga, NSW, 2nd February – 5th February, 2016, (pp. 129). Retrieved from: https://physics.org.au/wp-content/uploads/cmm/2016/Wagga_2016_Conference_Handbook.pdfen_AU
dc.identifier.conferenceenddate5 February 2016en_AU
dc.identifier.conferencename40th Annual Condensed Matter and Materials Meetingen_AU
dc.identifier.conferenceplaceWagga Wagga, NSWen_AU
dc.identifier.conferencestartdate2 February 2016en_AU
dc.identifier.otherTP19en_AU
dc.identifier.other978-0-646-96433-1en_AU
dc.identifier.pagination129en_AU
dc.identifier.urihttps://physics.org.au/wp-content/uploads/cmm/2016/Wagga_2016_Conference_Handbook.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13653en_AU
dc.language.isoenen_AU
dc.publisherAustralian Institute of Nuclear Science and Engineeringen_AU
dc.subjectElementsen_AU
dc.subjectFerroelectric materialsen_AU
dc.subjectIron compoundsen_AU
dc.subjectMagnetic materialsen_AU
dc.subjectMagnetismen_AU
dc.subjectMaterialsen_AU
dc.subjectMetalsen_AU
dc.subjectOxygen compoundsen_AU
dc.subjectParticlesen_AU
dc.subjectTransition element compoundsen_AU
dc.titleTemperature and magnetic field dependent magnetization of nanoparticulate ZnFe2O4 produced by mechanochemical synthesisen_AU
dc.typeConference Posteren_AU
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