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Synthesis and Physical Properties of Ordered Arrays of Nanowires of Complex Functional Oxides

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We have synthesized ordered arrays of nanowires of complex oxides. The synthesis was done using nanoporous templates of anodized alumina (AAO). The synthesis involves sol–gel route using Polyethylene glycol. The synthesized nanowires can be made down to diameters of 35–40 nm. In this paper we report on nanowires of ferromagnetic La0.67Ca0.33MnO3 (LCMO). The nanowires characterized by a number of techniques, were found to be largely single crystalline and they have the nearly same crystal structure and stoichiometry as those of the bulk. We found LCMO nanowires retain ferromagnetism down to this size range (∼35–40 nm) with T c (260 K) which is comparable to that of bulk.


Document Type: Research Article


Publication date: 2009-09-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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