title: Magnetic interactions between metal nanostructures within porous silicon.
abstract: Electrochemically deposited magnetic nanostructures arranged in a three-dimensional system are investigated with respect to their cross-talk between each other. The nanostructures are embedded in porous silicon templates with different morphologies which means pores offering dendritic growth of different strengths. An increase of the uniformity of the pores is concomitant with an increase of the smoothness of the metal deposits which strongly influences the magnetic behavior of the system. Less dendritic structures lead to an increase of the coercivity of the nanocomposite which reveals less cross-talk between the metal deposits due to a modification of the stray fields. The system allows in a cheap and simple way to tune the magnetic interactions of magnetic nanostructures in a three-dimensional arrangement.
  81.05.Rm; 81.07.Gf; 75.75.-c.
authors.affiliation: Institute of Physics, Karl Franzens University Graz, Universitaetsplatz 5, Graz 8010, Austria.
authors.forename: Klemens
authors.initials: K
authors.lastname: Rumpf
authors.affiliation: Institute of Physics, Karl Franzens University Graz, Universitaetsplatz 5, Graz 8010, Austria.
authors.forename: Petra
authors.initials: P
authors.lastname: Granitzer
authors.affiliation: Graduate School of Engineering, Tokyo University of Agriculture and Technology, Tokyo 184-8588, Japan.
authors.forename: Nobuyoshi
authors.initials: N
authors.lastname: Koshida
authors.affiliation: Institute for Electron Microscopy, University of Technology Graz, Graz 8010, Austria.
authors.forename: Peter
authors.initials: P
authors.lastname: Poelt
authors.affiliation: Institute of Solid State Physics, Vienna University of Technology, Wiedner Hauptstr. 8, Vienna 1040, Austria.
authors.forename: Michael
authors.initials: M
authors.lastname: Reissner
keywords: Electrodeposition; Magnetic interactions; Magnetic nanostructures; Porous silicon