نتایج جستجو برای: metallic thin film

تعداد نتایج: 222332  

Journal: :ACS nano 2009
Elizabeth J Smythe Michael D Dickey George M Whitesides Federico Capasso

Conventional lithographic methods (e.g., electron-beam lithography, photolithography) are capable of producing high-resolution structures over large areas but are generally limited to large (>1 cm(2)) planar substrates. Incorporation of these features on unconventional substrates (i.e., small (<1 mm(2)) and/or non-planar substrates) would open possibilities for many applications, including remo...

2016
Martin Mayer Moritz Tebbe Christian Kuttner Max J. Schnepf Tobias A. F. König Andreas Fery

We demonstrate a template-assisted colloidal self-assembly approach for magnetic metasurfaces on macroscopic areas. The choice of anisotropic colloidal particle geometry, assembly pattern and metallic film is based on rational design criteria, taking advantage of mirror-charge effects for gold nanorods placed on gold film. Monodisperse gold nanorods prepared utilizing wet-chemistry are arranged...

2016
Martin Mayer Moritz Tebbe Christian Kuttner Max J. Schnepf Tobias A. F. König Andreas Fery

We demonstrate a template-assisted colloidal self-assembly approach for magnetic metasurfaces on macroscopic areas. The choice of anisotropic colloidal particle geometry, assembly pattern and metallic film is based on rational design criteria, taking advantage of mirror-charge effects for gold nanorods placed on gold film. Monodisperse gold nanorods prepared utilizing wet-chemistry are arranged...

2014
L. Ke C. H. Huang Y. H. Chen W. Y. Tsai T. Y. Wei J. C. Huang

In this study, the bio-electrochemical response of the Ti–Zr–Si thin film metallic glasses (TFMGs) in simulated body fluid with different contents of titanium is measured via potentiostat. According to the results of bio-corrosion potential and current, as well as the polarization resistance, it is concluded that the Ti66Zr25Si9 TFMGs possess the highest bio-electrochemical resistance. With inc...

In this work, nanostructured TiO2 and Cr-doped TiO2 thin films were deposited on glass substrate through sonochemical-chemical vapor deposition (CVD) method. The resulting thin films were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-visible absorption spectroscopy, and photoluminescence spectroscopy techniques. The TiO2 thin film has nanocubic morphology and ...

Journal: :Acta of bioengineering and biomechanics 2009
Justyna Krzak-Roś Jarosław Filipiak Celina Pezowicz Agnieszka Baszczuk Mirosław Miller Maciej Kowalski Romuald Bedziński

Pure and calcium-doped silica and titanium dioxide thin films were prepared by the sol-gel method. Two different metallic substrates, i.e. stainless steel (316L) and titanium alloy (Ti6Al4V), were used for thin film deposition. Physicochemical properties and roughness of the thin films derived were investigated using the Raman spectroscopy, X-ray diffraction analysis, scanning electron microsco...

Journal: :Nano letters 2007
Qiaobing Xu Jiming Bao Robert M Rioux Raquel Perez-Castillejos Federico Capasso George M Whitesides

Cost-effective and convenient methods for fabrication of patterned metallic nanostructures over the large (mm2) areas required for applications in photonics are much needed. In this paper, we demonstrate the fabrication of arrays of closed and open, loop-shaped nanostructures by a technique (nanoskiving) that combines thin-film deposition by metal evaporation with thin-film sectioning. These ar...

2015
Daichi Chiba

Recent experimental developments on the electric field effect on magnetism in metallic magnetic materials are reviewed. The change in the electron density at the surface of metallic ultra-thin magnets by the application of an electric field results in modulations of the Curie temperature, magnetic moment, magnetic anisotropy, and domain wall velocity. The study focused on this paper is the elec...

Journal: :Microscopy research and technique 2007
Bogdan Diaconescu Georgi Nenchev Joshua Jones Karsten Pohl

Self-ordering growth of nanoarrays on strained metallic interfaces is an attractive option for preparing highly ordered nanotemplates. The great potential of this natural templating approach is that symmetry, feature sizes, and density are predicted to depend on the interfacial stress in these strained layers, which can be adjusted by changing the substrate-thin film composition, temperature, a...

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