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Growth of crystalline cobalt ferrite thin films at lower temperatures using pulsed-laser deposition technique

Raghunathan, Arun Kumar, Nlebedim, Ikenna, Jiles, David and Snyder, John Evan 2010. Growth of crystalline cobalt ferrite thin films at lower temperatures using pulsed-laser deposition technique. Journal of Applied Physics 107 (9) , 09A516. 10.1063/1.3357315

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Abstract

Cobalt ferrite thin films were grown on SiO2/Si(100) substrates using pulsed-laser deposition technique at substrate temperatures ranging from 250 to 600 °C. Thermal expansion mismatch between the film and substrate appears to have a substantial effect on the magnetic properties of the cobalt ferrite films, due to the large magnetoelastic coupling of cobalt ferrite. It was shown in this study, that polycrystalline films with (111)-preferred orientation could be prepared at substrate temperatures as low as 250 °C. The growth of crystalline cobalt ferrite films at such low temperatures indicates the potential to use cobalt ferrite for microelectromechanical systems devices and sensor applications including integration with a wider range of multilayer device structures.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: Q Science > QC Physics
Uncontrolled Keywords: cobalt compounds, ferrites, magnetic thin films, magnetoelastic effects, pulsed laser deposition, texture, thermal expansion
Additional Information: Proceedings of the 11th Joint MMM-INTERMAG Conference, Washington, DC, 2010. 3 pp.
Publisher: American Institute of Physics
ISSN: 0021-8979
Last Modified: 04 Jun 2017 03:29
URI: http://orca-mwe.cf.ac.uk/id/eprint/22071

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