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Title: Magneto-transport, Magneto-optical and Dynamic Properties of Ferromagnetic Nanostructures
Keywords: Magneto-transport, Magneto-optical, Ferromagnetic resonance, Ferromagnetic nanostructures, Co/Pd multilayers, Magnonic crystals
Issue Date: 16-Aug-2013
Citation: LIU XINMING (2013-08-16). Magneto-transport, Magneto-optical and Dynamic Properties of Ferromagnetic Nanostructures. ScholarBank@NUS Repository.
Abstract: Ferromagnetic nanostructures have received considerable interest recently due to their great importance in fundamental research and the potential in a wide range of emerging applications. In this thesis, a systematic investigation of magneto-transport, magneto-optical and dynamic properties of Co/Pd multilayer based nanostructures and bi-component magnonic crystals (MCs) is presented. Co/Pd multilayer based nanostructures including nanodots, nanorings and nanowires were fabricated over large area. The magnetization reversal and magnetoresistance behaviors of the Co/Pd nanostructures were investigated as a function of various geometrical parameters. Novel processes were also developed for fabricating high quality bi-component MCs. The dynamic behavior of the bi-component MCs were probed using a broadband ferromagnetic resonance (FMR) spectroscopy. The MCs studied include continuous Ni80Fe20 film on top of periodic 2-D arrays of perpendicularly magnetized Co/Pd dots (or Ni80Fe20 dots with in-plane anisotropy) and Fe filled Ni80Fe20 antidot structures. Unique static, dynamic and magneto-transport properties were observed in the bi-component MCs.
Appears in Collections:Ph.D Theses (Open)

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