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We describe a new technology for the fabrication of inexpensive high-quality mirrors. We begin by chemically producing a large number of metallic nanoparticles coated with organic ligands. The particles are then spread on a liquid substrate…

We investigated the plasmonic modes in a two-dimensional quasicrystalline array of metal nanoparticles. The polarization of the modes is in the array plane. A simplified eigen-decomposition method is presented with the help of rotational…

Optics · Physics 2012-12-11 Zi-Lan Deng , Jian-Wen Dong , He-Zhou Wang

A novel type of hybrid colloids is presented, based on the association of several polymeric systems and ferrofluids. On the one hand, we use inorganic nanoparticles made of magnetic iron oxide prepared at the LI2C, which response to a…

We investigate magnonic band structure in thin homogeneous permalloy film decorated with periodic array of elliptically shaped permalloy dots and separated by non-magnetic Pt spacer. We demonstrated experimentally formation of the magnonic…

Mesoscale and Nanoscale Physics · Physics 2018-11-21 Piotr Graczyk , Maciej Krawczyk , Scott Dhuey , Wei-Gang Yang , Holger Schmidt , Gianluca Gubbiotti

We report on the self-organized growth of a regular array of Fe nanoclusters on a nanopatterned magnetite surface. Under oxidizing preparation conditions the (111) surface of magnetite exhibits a regular superstructure with three-fold…

Materials Science · Physics 2007-05-23 N. Berdunov , G. Mariotto , S. Murphy , I. V. Shvets

Structured, periodic optical materials can be used to form photonic crystals capable of dispersing, routing, and trapping light. A similar phenomena in periodic elastic structures can be used to manipulate mechanical vibrations. Here we…

A large body of experimental work on the microstructure and dynamics of simplifiedindustrial nanocomposites made of disordered silica filler in a styrene-butadiene matrixby solid-phase mixing is regrouped and critically discussed in this…

Soft Condensed Matter · Physics 2018-11-21 Anne-Caroline Genix , Guilhem P. Baeza , Julian Oberdisse

The magnetic-field-induced assembly of magnetic nanoparticles (NPs) provides a unique and flexible strategy in the design and the fabrication of functional nanostructures and devices. We have investigated the field-driven self-assembly of…

Mesoscale and Nanoscale Physics · Physics 2016-04-12 Zhendong Fu , Yinguo Xiao , Artem Feoktystov , Vitaliy Pipich , Marie-Sousai Appavou , Yixi Su , Erxi Feng , W. T. Jin , Thomas Brueckel

The size dependence of spin wave modes in a circular Permalloy (Py) nanodisk under an in-plane magnetic field is systematically studied by using micromagnetics simulations. We show that as the disk diameter is increased, the resonance…

Mesoscale and Nanoscale Physics · Physics 2012-03-01 T. Kaneko , S. M. Noh , K. Miyake , M. Sahashi , H. Imamura

The non-uniform standing spin-wave modes in thin magnetic films and nanostructures provide important information about surfaces and buried interfaces. Very often they are lacking in the recorded ferromagnetic resonance spectra for symmetry…

Materials Science · Physics 2011-03-15 C. S. Chang , A. O. Adeyeye , M. Kostylev , S. Samarin

Freestanding graphene membranes were successfully functionalized with platinum nanoparticles (Pt NPs). High-resolution transmission electron microscopy revealed a homogeneous distribution of single-crystal Pt NPs that tend to exhibit a…

Nanostructured metal surfaces comprised of periodically arranged spherical voids are grown by electrochemical deposition through a self-assembled template. Detailed measurements of the angle- and orientation-dependent reflectivity reveal…

Optics · Physics 2007-05-23 T. A. Kelf , Y. Sugawara , J. J. Baumberg , M. Abdelsalam , P. N. Bartlett

Biosensing with ferromagnet-based magnetoresistive devices has been dominated by electrical detection of particle-induced changes to the devices' static magnetic configuration. There are however potential advantages to be gained from using…

Co2MnSi (CMS) films of different thicknesses (20, 50 and 100 nm) were grown by radio frequency (RF) sputtering on a-plane sapphire substrates. Our X-rays diffraction study shows that, in all the samples, the cubic <110> CSM axis is normal…

We report on lasing at visible wavelengths in arrays of ferromagnetic Ni nanodisks overlaid with an organic gain medium. We demonstrate that by placing an organic gain material within the mode volume of the plasmonic nanoparticles both the…

We report on the magnetization dynamics of a square array of mesoscopic discs, fabricated from an iron palladium alloy film. The dynamics properties were explored using ferromagnetic resonance measurements and micromagnetic simulations. The…

Spherical neodymium-iron-boron magnets are perman-ent magnets that can be assembled into a variety of structures due to their high magnetic strength. A one-dimensional chain of these magnets responds to mechanical loadings in a manner…

Soft Condensed Matter · Physics 2013-12-05 Dominic Vella , Emmanuel du Pontavice , Cameron L. Hall , Alain Goriely

A new approach based on the domain wall displacement in confined ferromagnetic nanostructures for attracting and sensing a single nanometric magnetic particles is presented. We modeled and experimentally demonstrated the viability of the…

Instrumentation and Detectors · Physics 2009-11-13 P. Vavassori , V. Metlushko , M. Gobbi , M. Donolato , M. Cantoni , R. Bertacco

We report the fabrication of self-organized arrays of Fe nanostripes with a period of 3.5 nm, by sequential deposition of Fe and Ag on Mo(110). The wires display a strong in-plane uniaxial anisotropy along their length, and are…

Other Condensed Matter · Physics 2007-05-23 Bogdana Borca , Olivier Fruchart , Claire Meyer

We report Ferromagnetic Resonance Force Microscopy (FMRFM) experiments on a justaposed continuous films of permalloy and cobalt. Our studies demonstrate the capability of FMRFM to perform local spectroscopy of different ferromagnetic…

Materials Science · Physics 2009-08-24 E. Nazaretski , Yu. Obukhov , I. Martin , D. V. Pelekhov , K. C. Cha , E. Akhadov , P. C. Hammel , R. Movshovich
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