Cobalt nanoparticles deposited and embedded in AlN: Magnetic, magneto-optical, and morphological properties

descriptionPublicationkeyboard_double_arrow_right Article 01 Aug 2004 English Publisher:AIP PublishingJournal:Journal of Applied Physics, volume 96, pages 1,666-1,673 (issn: 0021-8979, eissn: 1089-7550,

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Authors: Y. Huttel; H. Gómez; C. Clavero; A. Cebollada; G. Armelles; E. Navarro; M. Ciria; +3 Authors

doi: 10.1063/1.1767975

handle: 10261/21602

Cobalt nanoparticles deposited and embedded in AlN: Magnetic, magneto-optical, and morphological properties

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Abstract

We present a structural, morphological, magnetic, and magneto-optical study of cobalt nanoparticles deposited on 50Å AlN∕c-sapphire substrates and embedded in an AlN matrix. The dependence of the properties of Co nanoclusters deposited on AlN with growth temperature and amount of deposited Co are studied and discussed. Also we directly compare the properties of as grown and AlN embedded Co nanoclusters and show that the AlN matrix has a strong impact on their magnetic and magneto-optical properties.

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Keywords

Magnetic hysteresis, Nanoparticles, Ferromagnetic materials, Cobalt, Sputter deposition, Aluminium compounds

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