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Issue 13, 2017
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Pursuing the stabilisation of crystalline nanostructured magnetic manganites through a green low temperature hydrothermal synthesis

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Abstract

A quick, easy and green water-based synthesis protocol involving coprecipitation of oxalates combined with hydrothermal treatment resulted in the crystallisation of nanostructured manganites at a relatively low temperature (180 °C). The subcritical hydrothermal approach was shown to play a key role in stabilising phases which are generally achieved at much higher temperatures and under harsher conditions, thus disclosing an exciting alternative for their synthesis. Through this mild wet chemistry approach, the compounds CuMnO2, ZnMn2O4 and ZnMnO3 were synthesised as nanocrystalline powders. Noticeably, the optimised route proved to be effective in stabilising the exotic polymorph cubic spinel ZnMnO3 in pure form. This is particularly notable, as very few records concerning this compound are available in the literature. The compounds were fully characterised from compositional, structural, morphological and magnetic points of view.

Graphical abstract: Pursuing the stabilisation of crystalline nanostructured magnetic manganites through a green low temperature hydrothermal synthesis

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Publication details

The article was received on 28 Dec 2016, accepted on 23 Feb 2017 and first published on 23 Feb 2017


Article type: Paper
DOI: 10.1039/C6TC05636A
Citation: J. Mater. Chem. C, 2017,5, 3359-3371
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    Pursuing the stabilisation of crystalline nanostructured magnetic manganites through a green low temperature hydrothermal synthesis

    A. Minelli, P. Dolcet, S. Diodati, S. Gardonio, C. Innocenti, D. Badocco, S. Gialanella, P. Pastore, L. Pandolfo, A. Caneschi, A. Trapananti and S. Gross, J. Mater. Chem. C, 2017, 5, 3359
    DOI: 10.1039/C6TC05636A

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