Magnetism of Co nanocluster films

Y. Qiang, Y. Qiang, Renat F Sabirianov, R. F. Sabiryanov, S. S. Jaswal, S. S. Jaswal, Y. Liu, Y. Liu, H. Haberland, David J Sellmyer, D. J. Sellmyer

Research output: Contribution to journalArticle

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Abstract

A cluster-beam technique is used to produce nearly monodispersed nanoclusters of Co while independently varying their size and concentration. The Co clusters are embedded in Cu and SiO2 to form films with cluster size varying from 300 to 9000 atoms and Co concentration varying from 10 to 50 vol %. The Co magnetization (Ms) increases with increasing cluster size and decreases with increasing Co concentration for a given cluster size but is always less than the bulk value. First-principles calculations are used to analyze the experimental data in terms of the local environment effects at the cluster-matrix interface and spin-glass-like behavior due to the strong ferro- and antiferromagnetic intercluster exchange interactions for small separations.

Original languageEnglish (US)
Article number064404
Pages (from-to)644041-644044
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume66
Issue number6
DOIs
StatePublished - Aug 1 2002

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Spin glass
Nanoclusters
Exchange interactions
Magnetism
nanoclusters
Magnetization
Atoms
environment effects
spin glass
magnetization
matrices
atoms
interactions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Qiang, Y., Qiang, Y., Sabirianov, R. F., Sabiryanov, R. F., Jaswal, S. S., Jaswal, S. S., ... Sellmyer, D. J. (2002). Magnetism of Co nanocluster films. Physical Review B - Condensed Matter and Materials Physics, 66(6), 644041-644044. [064404]. https://doi.org/10.1103/PhysRevB.66.064404

Magnetism of Co nanocluster films. / Qiang, Y.; Qiang, Y.; Sabirianov, Renat F; Sabiryanov, R. F.; Jaswal, S. S.; Jaswal, S. S.; Liu, Y.; Liu, Y.; Haberland, H.; Sellmyer, David J; Sellmyer, D. J.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 66, No. 6, 064404, 01.08.2002, p. 644041-644044.

Research output: Contribution to journalArticle

Qiang, Y, Qiang, Y, Sabirianov, RF, Sabiryanov, RF, Jaswal, SS, Jaswal, SS, Liu, Y, Liu, Y, Haberland, H, Sellmyer, DJ & Sellmyer, DJ 2002, 'Magnetism of Co nanocluster films', Physical Review B - Condensed Matter and Materials Physics, vol. 66, no. 6, 064404, pp. 644041-644044. https://doi.org/10.1103/PhysRevB.66.064404
Qiang Y, Qiang Y, Sabirianov RF, Sabiryanov RF, Jaswal SS, Jaswal SS et al. Magnetism of Co nanocluster films. Physical Review B - Condensed Matter and Materials Physics. 2002 Aug 1;66(6):644041-644044. 064404. https://doi.org/10.1103/PhysRevB.66.064404
Qiang, Y. ; Qiang, Y. ; Sabirianov, Renat F ; Sabiryanov, R. F. ; Jaswal, S. S. ; Jaswal, S. S. ; Liu, Y. ; Liu, Y. ; Haberland, H. ; Sellmyer, David J ; Sellmyer, D. J. / Magnetism of Co nanocluster films. In: Physical Review B - Condensed Matter and Materials Physics. 2002 ; Vol. 66, No. 6. pp. 644041-644044.
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