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Designing new ferrite/manganite nanocomposites
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Materials Physics. CNR, Ist Struttura Mat, I-00015 Monterotondo, RM, Italy.;Univ Cagliari, Dipartimento Fis, SP Monserrato Sestu Km 0-700, I-09042 Monserrato, Italy..
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Physics.
Univ Politecn Marche, Dipartimento Sci & Ingn Mat Ambiente & Urbanist, Via Brecce Bianche 12, Ancona, Italy..
Univ Cagliari, Dipartimento Fis, SP Monserrato Sestu Km 0-700, I-09042 Monserrato, Italy..
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2016 (English)In: Nanoscale, ISSN 2040-3364, E-ISSN 2040-3372, Vol. 8, no 4, 2081-2089 p.Article in journal (Refereed) Published
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Abstract [en]

Two kinds of nanocomposites of transition metal oxides were synthesized and investigated. Each nanocomposite comprises nanoparticles of La0.67Ca0.33MnO3 and CoFe2O4 in similar volume fractions, however arranged with different morphologies. The temperature-dependent magnetic and electrical properties of the two systems are found to greatly differ, suggesting different degrees of interaction and coupling of their constituents. This is confirmed by magnetic field-dependent experiments, which reveal contrasted magnetization reversal and magnetoresistance in the systems. We discuss this morphology-physical property relationship, and the possibility to further tune the magnetism and magneto-transport in such nanocomposites.

Place, publisher, year, edition, pages
2016. Vol. 8, no 4, 2081-2089 p.
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Materials Engineering
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URN: urn:nbn:se:uu:diva-280107DOI: 10.1039/c5nr07572fISI: 000368860900038PubMedID: 26697925OAI: oai:DiVA.org:uu-280107DiVA: diva2:910110
Available from: 2016-03-08 Created: 2016-03-08 Last updated: 2017-11-30Bibliographically approved

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Muscas, GiuseppeKumar, Puri AnilMathieu, Roland

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