Structure and magnetism of dilute Co(Zr) nanoclusters

B. Das, B. Balamurugan, R. Skomski, X. Z. Li, P. Mukherjee, G. C. Hadjipanayis, D. J. Sellmyer

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Co(Zr) nanoclusters having a small fraction of Zr (7.8 at. ) were produced using a cluster-deposition method and aligned using a magnetic field of about 5 kOe prior to deposition. This study shows that Zr addition to Co nanoclusters improves the fraction of hexagonal close-packed structure, magnetic anisotropy, and easy-axis alignment process. Co(Zr) nanoclusters having 7.8 at. of Zr exhibit a considerably enhanced magnetic anisotropy constant K1 ≈ 6.7 Mergs/cm3 and coercivity Hc ≈ 700 Oe at 300 K as compared to those of Co nanoclusters (K1 ≈ 2.9 Mergs/cm 3 and Hc ≈180 Oe).

Original languageEnglish (US)
Article number17B509
JournalJournal of Applied Physics
Issue number17
StatePublished - May 7 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Das, B., Balamurugan, B., Skomski, R., Li, X. Z., Mukherjee, P., Hadjipanayis, G. C., & Sellmyer, D. J. (2013). Structure and magnetism of dilute Co(Zr) nanoclusters. Journal of Applied Physics, 113(17), [17B509].