PubMed Journals Articles About "Direct Transfer Patterning Electrically Small Antennas Onto Three" 
Direct Transfer Patterning Electrically Small Antennas Onto Three PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Direct Transfer Patterning Electrically Small Antennas Onto Three articles that have been published worldwide.
More Information about "Direct Transfer Patterning Electrically Small Antennas Onto Three" on BioPortfolio
We have published hundreds of Direct Transfer Patterning Electrically Small Antennas Onto Three news stories on BioPortfolio along with dozens of Direct Transfer Patterning Electrically Small Antennas Onto Three Clinical Trials and PubMed Articles about Direct Transfer Patterning Electrically Small Antennas Onto Three for you to read. In addition to the medical data, news and clinical trials, BioPortfolio also has a large collection of Direct Transfer Patterning Electrically Small Antennas Onto Three Companies in our database. You can also find out about relevant Direct Transfer Patterning Electrically Small Antennas Onto Three Drugs and Medications on this site too.
Showing "Direct Transfer Patterning Electrically Small Antennas onto Three" PubMed Articles 1–25 of 46,000+
A direct transfer patterning process is presented that allows metallic patterns to be stamped onto a contoured substrate. This process was used to make some of the most efficient electrically small antennas to date, while maintaining bandwidths approaching the physical limit.
Conformal printing of electrically small antennas on three-dimensional surfaces.
Broad Electrical Tuning of Graphene-Loaded Plasmonic Antennas.
Plasmonic antennas enable the conversion of light from free space into subwavelength volumes and vice versa, which facilitates the manipulation of light at the nanoscale. Dynamic control of the properties of antennas is desirable for many applications, including biochemical sensors, reconfigurable meta-surfaces and compact optoelectronic devices. The combination of metallic structures and graphene, which has gate-voltage dependent optical properties, is emerging as a possible platform for electrically contr...
Direct metal nano-imprinting using an embossed solid electrolyte stamp.
In this paper, we report direct patterning of metal nanostructures using an embossed solid electrochemical stamp. Microforming of solid superionic stamps using Si templates-analogous to polymer patterning in nano-imprint lithography-is explored. Silver sulfide (Ag(2)S)-a superionic conductor with excellent microforming properties-is investigated as a candidate material. Important parameters of the superionic stamp, including mechanical behavior, material flow during forming and feature recovery after emboss...
Directed colloidal synthesis of conductive organic-inorganic hybrid mesoscale structures is reported. The technique is simple but allows hierarchical assembly and 2D patterning of materials. A focused laser spot is used to direct the colloidal assembly of nanoparticles into electrically conductive organic-inorganic hybrid mesoscale filaments with arbitrary permanent patterns on a glass surface.
Optical antennas as nanoscale resonators.
Recent progress in nanotechnology has enabled us to fabricate sub-wavelength architectures that function as antennas for improving the exchange of optical energy with nanoscale matter. We describe the main features of optical antennas for enhancing quantum emitters and review the designs that increase the spontaneous emission rate by orders of magnitude from the ultraviolet up to the near-infrared spectral range. To further explore how optical antennas may lead to unprecedented regimes of light-matter inter...
Highly sensitive antenna using inkjet overprinting with particle-free conductive inks.
Printed antennas with low signal losses and fast response in high-frequency bands have been required. Here we reported on highly sensitive antennas using additive patterning of particle-free metallo-organic decomposition silver inks. Inkjet overprinting of metallo-organic decomposition inks onto copper foil and silver nanowire line produced antenna with mirror surfaces. As a result, the overprinted antennas decreased their return losses at 0.5-4.0 GHz and increased the speed of data communication in WiFi ne...
Direct micro/nano metal patterning based on two-step transfer printing of ionic metal nano-ink.
We present a direct metal patterning method by a two-step transfer printing process of non-particle, ionic metal nano-ink solution. This fabrication method allows a simple direct patterning of various micro/nanoscale metallic structures. Complex structures such as multilayer line arrays, patterns along non-flat topologies, and micro/nanoscale hybrid patterns can be achieved by using this process. Also, the low temperature and pressure process conditions are compatible with the fabrication of electronic stru...
Chemical patterning and physical refinement of reactive superhydrophobic surfaces.
An approach to the modification and post-fabrication chemical patterning of amine-reactive superhydrophobic surfaces is reported. The approach is based on the layer-by-layer fabrication of azlactone-containing polymer multilayers, and permits the direct covalent attachment and subsequent patterning of chemical and biological "inks" using a variety of pratical and low-cost pattern-transfer methods.
Low dielectric polyimide aerogels as substrates for lightweight patch antennas.
The dielectric properties and loss tangents of low-density polyimide aerogels have been characterized at various frequencies. Relative dielectric constants as low as 1.16 were measured for polyimide aerogels made from 2,2'-dimethylbenzidine (DMBZ) and biphenyl 3,3',4,4'-tetracarbozylic dianhydride (BPDA) cross-linked with 1,3,5-triaminophenoxybenzene (TAB). This formulation was used as the substrate to fabricate and test prototype microstrip patch antennas and benchmark against state of practice commercial...
Controlling terahertz radiation with nanoscale metal barriers embedded in nano slot antennas.
Nanoscale metallic barriers embedded in terahertz (THz) slot antennas are shown to provide unprecedented control of the transition state arising at the crossover between the full- and half-wavelength resonant modes of such antennas. We demonstrate strong near-field coupling between two paired THz slot antennas separated by a 5 nm wide nanobarrier, almost fully inducing the shift to the resonance of the double-length slot antenna. This increases by a factor of 50 the length-scale needed to observe similar co...
Electrically driven lasing in light-emitting devices composed of n-ZnO and p-Si nanowires.
Electrically driven lasing was demonstrated in light-emitting devices composed of n-ZnO and p-Si nanowires (NWs). The ZnO NWs were synthesized by thermal chemical vapor deposition and the Si NWs were formed by crystallographic wet etching of a Si wafer. The p-n heterojunction devices were constructed using the NWs by the direct transfer and dielectrophoresis methods. At an excitation current of 2 µA, the electroluminescence spectrum showed lasing behavior, and this phenomenon was explained by the ZnO-nano...
Patterning of Polymer Brushes. A Direct Approach to Complex, Sub-Surface Structures.
We report a unique method to directly fabricate complex polymer brush structures with nanometer scale features by means of electron beam lithography. Polymer brushes for direct patterning were grown from surface-anchored initiator sites using atom transfer radical polymerization. Selected monomers (poly(2-hydroxyethyl methacrylate) and poly(methyl methacrylate)) were used based on their ability to readily scission when exposed to radiation. Single step direct patterning of polymer brushes is attractive as t...
Chemically Functionalized Surface Patterning.
Patterning substrates with versatile chemical functionalities from micro- to nanometer scale is a long-standing and interesting topic. This review provides an overview of a range of techniques commonly used for surface patterning. The first section briefly introduces conventional micropatterning tools, such as photolithography and microcontact printing. The second section focuses on the currently used nanolithographic techniques, for example, scanning probe lithography (SPL), and their applications in surfa...
Orchestrated structure evolution is an alternative nanomanufacturing approach that combines the advantages of top-down patterning and bottom-up self-organizing growth. It relies upon tool-directed patterning to create 'seed' locations on a surface from which a subsequent deposition process produces the final, merged film. Despite its demonstrated ability to reduce patterning time by orders of magnitude, our prior reliance on mass transfer limited deposition and square seed arrays resulted in extraneous film...
Microbial consortia that cooperatively exchange electrons play a key role in the anaerobic processing of organic matter. Interspecies hydrogen transfer is a well-documented strategy for electron exchange in dispersed laboratory cultures, but cooperative partners in natural environments often form multispecies aggregates. We found that laboratory evolution of a coculture of Geobacter metallireducens and Geobacter sulfurreducens metabolizing ethanol favored the formation of aggregates that were electrically c...
Application of nanocomposites in MEMS, flexible electronics, and biomedical devices is likely to demonstrate new performance standards and resolve a number of difficult technical problems enabled by the unique combinations of electrical, optical, and mechanical properties. This study explores the possibility of making microscale nanocomposite patterns using the fusion of two highly versatile techniques: direct-write maskless UV patterning and layer-by-layer assembly (LBL). Together they can be applied to th...
Optical antenna for photofunctional molecular systems.
Optical antennas can enhance the efficiency of photon-molecule interactions. To design efficient antenna structures, it is essential to consider physicochemical aspects in addition to electromagnetic considerations. Specifically, chemical interactions between optical antennas and molecules have to be controlled to enhance the overall efficiency. For this purpose, sphere-plane nanostructures are suitable optical antennas for molecular-modified functional electrode systems when a well-defined electrode is uti...
Plasmonic Nanowire Antennas: Experiment, Simulation, and Theory.
Recent advances in nanolithography have allowed shifting of the resonance frequency of antennas into the optical and visible wavelength range with potential applications, for example, in single molecule spectroscopy by fluorescence and directionality enhancement of molecules. Despite such great promise, the analytical means to describe the properties of optical antennas is still lacking. As the phase velocity of currents at optical frequencies in metals is much below the speed of light, standard radio frequ...
Lithographically Fabricated Optical Antennas with Gaps Well Below 10 nm.
Cellobiose dehydrogenase (CDH) is a fascinating extracellular fungal enzyme that consists of two domains, one carrying a flavin adenine dinucleotide (FAD) and the other a cytochrome-type heme b group as cofactors. The two domains are interconnected by a linker and electrons can shuttle from the FAD to the heme group by intramolecular electron transfer. Electron transfer between CDH and an electrode can occur by direct electron transfer (DET) and by mediated electron transfer (MET). This characteristic makes...
Air-grid surface patterning provided by superhydrophobic surfaces.
Recently, several unique studies on surface patterning have been developed based on superhydrophobic surfaces, where air was introduced as the separating barrier for the surface pattern. This new type of surface patterning approach is called "air-grid surface patterning." Traditional technologies of surface patterning always utilize the solid or liquid phase as the separating barrier, for example, a 2D chemical molecular barrier in soft lithography, a 3D solid barrier in photolithography, or a liquid barrie...
Direct growth of aligned metal composite carbon nanofibers (MCNFs) was achieved by a highly reproducible room temperature growth process on cost effective electrically conductive copper (Cu) substrate without any catalyst. The direct fabrication of MCNFs on electrically conductive substrate might offer new perspectives in the field of field emission displays (FEDs).
