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Pulse Laser Deposited Nanocrystalline Cobalt Ferrite Thin Films

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Abstract:

Cobalt ferrite thin films were pulsed laser deposited on fused quartz substrates at different substrate temperatures and ex-situ annealed at 750 °C in air. Grain size of these films was found to be 6–44 nm. Magnetization of these nanocrystalline thin films was found to be dependent on the substrate temperature. Magnetization higher than the cobalt ferrite bulk value was observed in the room temperature deposited film after post deposition annealing at 750 °C. This could be explained on the basis of a changed cation distribution in the film caused by quenching during deposition.

Keywords: COBALT FERRITE; MAGNETIZATION; NANOCRYSTALLINE THIN FILM; PULSED LASER DEPOSITION

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2010.2173

Publication date: 2010-05-01

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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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