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CTAB-Mn3O4 nanocomposites: Synthesis, NMR and low temperature EPR studies
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2010 (English)In: Polyhedron, ISSN 0277-5387, Vol. 29, no 5, 1375-1380 p.Article in journal (Refereed) Published
Abstract [en]

We are reporting on the synthesis of Mn3O4 nanoparticles and CTAB-Mn3O4 nanocomposites via a sonochemical route using MnCl2, ethanol, NaOH and CTAB. The crystalline phase was identified as Mn3O4. The crystallite size of the CTAB-Mn3O4 nanocomposite was identified as 13 +/- 5 nm from X-ray line profile fitting and the particle size from TEM was 107.5 +/- 1.4 nm. The interaction between CEAB and the Mn3O4 nanoparticles was investigated by FTIR and H-1 NMR spectroscopies. Two different magnetic phase transitions were observed for both samples below the Curie temperature (43 degrees C) by using a low temperature Electron Paramagnetic Resonance (EPR) technique. Also we determined the effect of the capping with CTAB on the reduction in absorbed power.

Place, publisher, year, edition, pages
2010. Vol. 29, no 5, 1375-1380 p.
Keyword [en]
Nanostructures, Sonochemical synthesis, Nanocomposite, Mn3O4, NMR, EPR, mn3o4 nanocrystallites, magnetic-properties, nanoparticles, irradiation, nanorods, hausmannite, monolayers, nanowires, complex
National Category
Chemical Sciences
URN: urn:nbn:se:kth:diva-19400DOI: 10.1016/j.poly.2009.12.034ISI: 000276720400001ScopusID: 2-s2.0-77649274994OAI: diva2:337447
Knut and Alice Wallenberg Foundation
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2011-02-10Bibliographically approved

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Toprak, Muhammet S.
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Functional Materials, FNM
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