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PEG-Assisted Synthesis of Mn(3)O(4) Nanoparticles: A Structural and Magnetic Study
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2011 (English)In: SYNTH REACT INORG M, ISSN 1553-3174, Vol. 41, no 7, 768-773 p.Article in journal (Refereed) Published
Abstract [en]

We report on the synthesis of Mn(3)O(4) nanoparticles via a polyethyleneglycol (PEG)-assisted hydrothermal route. Crystalline phase was identified as Mn(3)O(4). The crystallite size from X-ray Diffraction (XRD) pattern and particle size from transmission electron microscopy (TEM) micrographs were calculated as 23 +/- 1 nm and 24.5 +/- 0.5 nm, respectively. Nanoparticles (NPs) exhibit mainly tetragonal and spherical morphologies. Magnetic characteristics of Mn(3)O(4) NPs were evaluated by electron spin resonance (ESR) in the temperature range of 24-294 K and the Curie temperature was observed as 43 K. Also the magnetic phases that occur in nanosize Mn(3)O(4) are detected below Tc by this method. The room-temperature paramagnetic characteristic are verified by vibrating sample magnetometry (VSM).

Place, publisher, year, edition, pages
2011. Vol. 41, no 7, 768-773 p.
Keyword [en]
chemical synthesis, magnetization, Mn(3)O(4), nanostructured materials, PEG
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-48000DOI: 10.1080/15533174.2011.591302ISI: 000296318600009Scopus ID: 2-s2.0-80051711157OAI: oai:DiVA.org:kth-48000DiVA: diva2:456705
Note
Qc 20111115Available from: 2011-11-15 Created: 2011-11-15 Last updated: 2011-11-15Bibliographically approved

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Toprak, Muhammed S.

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