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Structure and magnetic properties of one-dimensional chains of ferromagnetic nanoparticles


One-dimensional chains and rings of equally sized ferromagnetic nanoparticles have been investigated using magnetic force microscopy. The one-dimensional structure of the Ni nanoparticles forms by self-assembled growth on a stepped surface of highly oriented pyrolytic graphite (HOPG). The nanoparticles show single-domain magnetization states with the magnetization aligned along the chain.

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The authors wish to express gratitude to R. Wiesendanger for useful discussions, advice, and support. The project was funded by the Graduate School of Excellence MAINZ.

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Correspondence to S. A. Nepijko.

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Nepijko, S.A., Kutnyakhov, D., Protsenko, I.E. et al. Structure and magnetic properties of one-dimensional chains of ferromagnetic nanoparticles. Appl. Phys. A 109, 699–702 (2012).

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  • Dipolar Coupling
  • Highly Orient Pyrolytic Graphite
  • Magnetic Force Microscopy
  • Cleavage Step
  • Ferromagnetic Particle