Magnetic Behavior of Co/Pt and TbCo Nanocaps Assembly for Bit Pattern Media

Sediri, A.;Piraux, Luc;Antohe, Vlad;Abreu Araujo, Flavio;Hauet, Thomas;et.al.
(2012) Nanomaterials: Application and Properties — Location: Alushta, the Crimea (Ukraine) (17.September.2012)

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Authors
  • Sediri, A.Institut Jean Lamour, Nancy-Université, France
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  • Piraux, LucUCLouvain
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  • Antohe, VladUCLouvain
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  • Abreu Araujo, Flavioorcid-logoUCLouvain
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  • Hauet, ThomasInstitut Jean Lamour, Nancy-Université, France
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Abstract
Large area patterning of self-assembled alumina nanobumps, with hexagonally close-packed order, has been used to create ordered array of bit pattern magnetic media. We have studied the magnetic properties of perpendicular magnetic TbCo alloy and Co/Pt multilayers deposited on self assembled alumina nanobumps. Measurement of reversal field as a function of field intensity, as well as magnetic force microscopy images confirm the weakness of exchange coupling between bits in the case of Co/Pt multilayer while stronger coupling is observed in the case of TbCo alloys.
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Sediri, A., Piraux, L., Antohe, V., Abreu Araujo, F., Hehn, M., Lacour, D., Mangin, S., & Hauet, T. (2012). Magnetic Behavior of Co/Pt and TbCo Nanocaps Assembly for Bit Pattern Media. Nanomaterials: Application and Properties, Alushta, the Crimea (Ukraine). https://hdl.handle.net/2078.5/204462