Papers:
Development of nanocomposites with carbon nanotubes in a thermoplastic elastomer matrix
Thermoplastic elastomers (TPEs) have the potential for application as engineering materials because of their novel properties and ease of processing. We have developed a polycondensation process, which allows the manufacturing of polybutylene terephthalate/polyoxytetramethylene (PBT/PTMO) block [...]
Halloysite Nanotubes in Polymers
Halloysite Nanotubes (HNT TM) provide a new avenue for the preparation of nanocomposites. These unique tubes can be dispersed by normal extrusion processes in a variety of polymer melts to produce nanocomposites with unusual physical [...]
Adapting carbon nanotubes for fine composite structures
Although encouraging results have been obtained for nanotube-filled polymers, significant improvements over conventional fillers have proved elusive. A critical factor is the reliance on CVD-grown material, which is available in large quantity at reasonable purity, [...]
Fabrication of Nano-engineered Composites Reinforced with Carbon Nanotubes (CNTs)
Wicks S.S., Yamamoto N., Guzman de Villoria R., Ishiguro K., Cebeci H., Wardle B.L., Massachusetts Institute of Technology, US
Composites, consisting of aligned advanced fibers embedded in epoxy, are common structural materials used in the aerospace industry for their superior strength to weight ratio and their versatility in tailoring specific mechanical properties, among other [...]
High Strength Metal-Carbon Nanotube Composites
Carbon nanotubes have been extensively investigated for developing polymer matrix nanocomposites and a number of such nanocomposites are already being used in various applications [1, 2]. Metallic composites, particularly those of aluminum, containing carbon nanotubes [...]
Improvement of Stab Resistant Body Armor Using SiO2 Nanoparticles Dispersed into Silane Coupling Agent through Sonic Cavitation
Enhancing a flexible body armor using the Shear Thickening Fluid theory (STF) with use of SiO2 nanoparticles has shown good results regarding the stab resistance. A completely new approach based on investigations demonstrates that silated [...]
Synthesis, Reliability and Applications of Nanocrystalline CVD-grown Diamond and MicroDevice Fabrication
The correlation between the micro- and nanostructure of a material and its physical and chemical properties is the key issue in materials development. Considerable progress has been achieved recently by the development of new processing [...]
Residual Stress Measurements of High Spatial Resolution
Residual stresses in semiconductor and MEMS devices superposing functional and environmental loading are one of the crucial reliability issues as they can add significant stress levels leading finally to component damage. Most of routinely used [...]
Metallic submicron wires and nanolawn for microelectronic packaging. Concept and first evaluation
Fiedler S., Zwanzig M., Schmidt R., Scheel W., Fraunhofer Institut Zuverlässigkeit und Mikrointegration (IZM), Berlin, DE
Starting with a brief review of submicron wire production techniques, promising applications of submicron and nano wires are discussed. Observed attractive properties of metal rod decorated metal surfaces, so called nano lawn, for low energy [...]
Thermal Cycling of 300 nm Buried Damascene Copper Interconnect Lines by Joule Heating
We report tests of 300 nm wide damascene copper interconnect lines in silicon oxide dielectric to failure under high amplitude, low frequency alternating current. The cyclic minimum and maximum resistances were obtained from the measured [...]
Nanoscale Deformation Measurements – Concepts for Failure and Reliability Assessment at the Nanoscale
The paper presents two methods for deformation measurement at the nanoscale level. The first method is based on Scanning Probe Microscopy (SPM) in combination with Digital Image Correlation (DIC). The technique serves as the basis [...]
Magnetic nanoparticles with variable size and shape and surface functionality as switchable building blocks for soft nanotechnology
Alpha-Fe2O3 (hematite) particles can be synthesized by forced hydrolysis of iron salts. The chosen iron salt dissolves and leads to a first crystalline structure called akaganeite (Beta-FeOOH), which, reorganized and combined with more iron precursor [...]
Dispersion and incorporation of optical nanotracers
Silica fluorescent nanoparticles of 40nm diameter are synthesized by a reverse microemulsion process. Numerous industrial applications involve the homogeneous incorporation of nanoparticles into a polymer matrix. Nevertheless, because of their low size, nanoparticles tend to [...]
Total flexibility in thin film design using polymer nanocomposites
Optically clear, mechanically flexible nanocomposites are created by doping host polymers with nanoparticles having higher or lower refractive indices. The composite materials preserve the viscoelastic properties of the binding polymers and exhibit infinite tunability between [...]
Structural and Magneto-Optical Properties of Co-doped ZnO Thin Films Prepared by Sol-Gel Method
Neamtu J., Teodorescu C., Georgescu G., Ferré J., Malaeru T., Jitaru I., National Institute for Research&Development in Electrical Engineering, RO
Co doped ZnO thin film has promising potential for spintronic devices. Theoretical calculations predict ferromagnetism for Diluted Magnetic Semiconductors (DMS): ZnO doped with transition metals (Fe,Co,Ni). We have investigated Co (x=0.05-0.30) doped ZnO (Zn1-xCoxO), films [...]
Magnetotransport Properties and Tunnel Effect of Thin Film Nano-Structures
Neamtu J., Volmer M., Medianu R.V., National Institute for Research&Development in Electrical Engineering, RO
The investigation of magnetotransport and tunnel effect of magnetic nanostructures plays an important role in design of micro&nanosystems for spintronics. The nano-structures as FM/NM/FM/AFM were deposited by magnetron-sputtering on the oxidized Si wafers, as continuous [...]
Gold Nanorods: Synthesis and Modulation of Optical Properties
Metal nanoparticles offer a wide area of application owing to their size and shape dependent optical properties. Recently, there has been significant interest in gold nanorods due to their potential application in the field of [...]
An FPGA Architecture Using Vertical Silicon Nanowire Transistors
This study presents an FPGA architecture using vertical silicon nanowire transistors. A complete picture from designing ultra low-power silicon nanowire transistors to their use in an FPGA architecture is given. Post-layout, worst-case rise delay changes [...]
Reliability of Nano Devices and Systems: Nuclear Spins of Stable Magnetic Isotopes as the Reliability Factor of Biomolecular Nanoreactors
The trend of “nanoscaling” brings engineering down to the dimensions of molecular structures. However, it also poses the problem of how to create a reliable system from molecular components experiencing permanent fluctuations? Fortunately, engineers may [...]
High speed Resonant Tunneling Diode based on GaN & GaAs: A modelling & simulation approach
The investigation of tunneling of particles through potential barriers in semiconductor quantum wells has recently attracted much attention. Special focus is laid on resonant tunneling structures because of its importance in the field of nanoscience [...]
Fluidic Molecular Processing Devices
Lyshevski M.A., Lyshevski S.E., Lyshevski M.A., Lyshevski S.E., Microsystems and Nanotechnologies, US
We study fluidic molecular processing devices and modules to perform processing and related tasks. These developments are envisioned to be utilized in foreseen processing and memory systems. We consider various fluidic devices as modular primitives [...]
Autonomous Nanoscale Motion Through Catalysis
Nanoscale moving systems are currently the subject of intense interest due in part to their potential applications in nanomachinery, nanoscale assembly, robotics, tribology, fluidics, and chemical/biochemical sensing. Most of the research in this area has [...]
Numerical Stress Analysis on Thermal Nano-Imprint Lithography
This paper investigations the stress distribution of the polymer through numerical simulations during thermal NIL. Numerical results explained characteristic phenomena which never appear in continuous line-and-space patterning cases. We believe that numerical simulations with more [...]
Fabrication and Characterization of Nanoscale Heating Sources (“Nanoheaters”) for Nanomanufacturing
Jogdand H., Gulsoy G., Ando T., Chen J., Doumanidis C.C., Gu Z., Gulsoy G., Rebholz C., Wong P., University of Massachusetts-Lowell, US
In macroscale manufacturing, active use of heat to alter the geometry, structure and properties of solids is central to material removal, deposition, joining, shaping, and transformation processes. However, traditional heat sources encroach difficulties with fine [...]
Multiple gate approach – solution of scaling and nano MOSFETS
In the sub-50nm scale, the aggressive scaling of MOSFETs is expected to culminate in dual-gate (DG) architectures on SOI substrates. DG MOSFETs are widely accepted to be the ultimate design that silicon can deliver in [...]
New Type of High Sensitive Detection of Particles Based on DeFET
This research work presents a new implementation of the CMOS electric-field sensor, titled as Differential Electric Field Sensitive Field Effect Transistor (DeFET). The DeFET is successfully used in detection of small partials and it is [...]
Quantum transport in nano mosfets
Various quantum mechanical formulations have been used for the modeling of the carrier transport in semiconductor devices. During the 1980s advances in the semiconductor technology made it possible to fabricate conductors so small that the [...]
Development of New High Performance Nanocrystalline Hard Metals
Jalabadze N., Mikeladze A., Chedia R., Kukava T., Nadaraia L., Khundadze L., Technical University of Georgian, GE
It is known that performance of nanocrystalline hard metals suppresses that of ordinary materials. Lots of techniques for manufacturing nanopowders were developed and successfully used but preparation of nanocrystalline bulk pieces still faced certain problems: [...]
Mechanical and magnetic properties comparison between elastomer composites based on nickel nanoparticles and nanowires as fillers
Denver H., Martin E., Gupta A., Heiman T., Gupta A., Borca-Tasciuc D-A., Rensselaer Polytechnic Institute, US
Applications that utilize magnetic polymer nanocomposites are currently emerging at a high rate. Examples include magnetic actuation in microelectromechanical systems (MEMS) and medical devices, thermal actuation through electromagnetic power harvesting, and magnetically actuated morphing structures. [...]
Mechanical and Electrical Properties of CNT/Inorganic Nanocomposites by Molecular Level Mixing Process
One of the emerging applications of CNTs is the reinforcement of composite materials to overcome the performance limits of conventional materials. However, because of the difficulties in distributing CNTs homogeneously in metal or ceramic matrix [...]
Mechanical properties under nanoindents in gold nanoparticles reinforced poly(vinyl alcohol) nanocomposite films
Free standing films of gold nanoparticles reinforced poly(vinyl alcohol) (PVA) nanocomposite are synthesized by a novel chemical method with selective Au-contents varied from 0.1 to 5.0 wt%. The color change in the Au-PVA nanocomposite films [...]
A comparison of boron hydride- and hydrocarbon-based thiol derivatives assembled on gold surfaces
Carbon and boron atoms form extensive series of compounds with hydrogen, hydrocarbons and boron hydrides. This contribution deals with the selected thiol derivatives from both groups of compounds. The mutual comparison of these thiol species [...]
Effects of the Building Block on the Morphology and Properties of Porous CdSe Nanostructured Framework
A major challenge in designing and making potentially valuable nanostructures is to find suitable ways to effectively tune their properties and function. Recent work in our lab has demonstrated a powerful strategy to engineer the [...]
Nanostructuring Plastic Displays within the Flexible Electronics Paradigm
This presentation describes our advances in fabricating a fully functional color, plastic liquid crystal display that uses an all-inorganic thin film transistor array based on a nanocrystalline II-VI semiconductor. The display itself represents an interesting [...]
Towards Automation in the Characterization of Nanostructured Materials and Devices
The characterization of nanostructured materials implies knowledge about their chemical and structural properties, leading to a growing demand for characterization methods for heterogeneous materials on the nanometer scale. However, certain properties are difficult to study [...]
Design and Parameters of Cellulose Filter Media with Polymer Nanofiber Layer
Nanofiber polymer layer deposited on regular cellulose filter media usually shifts resulting air filtration parameters of this material several classes higher. Very fine nanofiber web of basis weight of 0.01 gm-2 to 0.1 gm-2 improves [...]
Permeability and protein separations: functional studies of porous nanocrystalline silicon membranes
We have developed an ultrathin (15nm) freestanding nanoporous silicon based membrane [1]. This new material, termed porous nanocrystalline silicon (pnc-Si), is fabricated using standard photolithography techniques. Pore sizes can be tuned in a thermodynamically driven [...]
Interaction of Polyamido-amine (PAMAM) nanoparticles with the glassy carbon supported bilayer lipid membrane
Polyamido-amine (PAMAM) dendrimers are hyperbranched polymers with uniform particle size making them ideal monodisperse nanoparticles. PAMAM dendrimers are being pursued as non-viral vectors for gene delivery due to their low immunogenicity and their ability to [...]
Lithium selective adsorption on low-dimensional TiO2 nanoribbons
Low-dimensional TiO2-related nanomaterial with high morphology specificity, including nano-tube, -wire, -sheet, -fiber and -ribbon, had attracted particular interest in advanced applications as catalyst, solar-energy conversion semiconductor, gas sensor and electrochemical material, as it was discovered [...]
Nanoporous Alumina Membranes Based Microdevices for Ultrasensitive Protein Detection
This research focuses on using the electrical and chemical properties of nanoporous alumina membranes to improve the sensitivity and performance of Si-based microdevices for protein sensing. The integration of nanoporous membranes with the microdevice results [...]
Conformational Changes of Acetylcholine During Spontaneous Diffusion Through a Nano/Microporous Gel: Towards a Novel Approach to Biomolecular Hardware
Vaganova E., Yitzchaik S., Ovadia H., Lyshevski S.E., Khodorkovsky V., Pierola I.F., The Hebrew University, IL
This paper reports the results which intent to enhance the understanding of mechanisms and transitions taking place in biological systems. In order to mimic these low energy processes in natural systems, as well as to [...]
Raman study and DFT calculations of amino acids
Previously we reported intense and narrow vibrational Raman bands of the amino acid histidine grown from droplets of aqueous histidine on silica (Sonois et al., 2007, Chem. Phys. Lett., 439, 360-363). In the present communication [...]
Effect of surfactants on the size-distribution of starch nanoparticles during wet grinding
Bukhari N.I., Kang Y.B., Hay Y.K., Majeed A.B.A., Nadeem M., Bai S.H., International Medical University, MY
1School of Pharmacy, International Medical University, Kuala Lumpur, 2School of Pharmaceutical Sciences, University Science Malaysia, Penang, 3Faculty of Pharmacy, University Technology MARA, Kuala Lumpur. 4Chemcial Engineering Department, University Technology PETRONAS, Perak, Malaysia. Abstract: Various kinds [...]
Molecular Dynamics of Self-Assembled Monolayer Formation in Soft Nanolithgoraphy
Molecular dynamics simulation is performed to study the growth mechanism of self-assembled monolayer in the AFM tip-assisted soft nanolithography such as in dip-pen nanolithography [1]. We investigate how the droplet created around the tip spreads [...]
Nanotechnology for Building Security
Despite increased vigilance and annual federal anti-terrorism spending in excess of $55 billion, building security remains a major concern for most Americans. For those working in large governmental or institutional buildings, fears are particularly acute. [...]
Refined coarse-grain modeling of stamp deformation in nanoimprint lithography
The inhomogeneous distribution of the residual layer thickness is a vital issue in nanoimprint lithography (NIL). Using the simulation of NIL, this problem can be alleviated by optimizing the stamp geometry and by choosing process [...]
Plasma Treatment of Nanofillers for Polymer Nanocomposites
Nanofillers were functionalized with amine groups using low-temperature plasma to enhance dispersion and interfacial tension with Epon 815C resin. The amine groups remained on the coating surface were anticipated to strengthen the interfacial interactions through [...]
Thermal and Mechanical Response of POSS coated Nanophased expandable foam core materials
A sonochemical technique has been established to coat variations of POSS nanoparticles on expandable microspheres. Thermal analyses results indicate that there is an increase in thermal stability of nanophased foam as compared to the neat [...]
Silica-alumina composite monoliths with a hierarchical pore structure containing the MFI-type zeolitic films
Pudlo W., Pashkova V., Derewinski M., Jarzebski A.B., Institute of Chemical Engineering, Polish Academy of Sciences, PL
Materials with multimodal hierarchical porosity, containing pore networks in the range of micro-, meso- and macropores, attract considerable attention owing to their widespread application prospects in process industries (catalysts, sorbents), energy conversion and sensors. Here [...]
TiO2-Ag Porous Nanocomposites for Advanced Photocatalytic Processes
Baia L., Baia M., Baia L., Baia M., Vasiliu F., Diamandescu L., Peter A., Cosoveanu V., Danciu V., Babes-Bolyai University, RO
The photo-assisted catalytic decomposition of organic pollutants from water and air by employing titanium dioxide as photocatalysts is a very promising method. TiO2 based aerogels are porous solid materials with high surface area, ultra-low density [...]
Influence of the crystallite size of BaTiO3 on the dielectric properties of polyester reactive resin composite materials
Today’s electric equipment has to be small in dimension and rich in functionality to be successful with the customer. The available surface area on today’s printed circuit boards (PCB) is decreasing as a result and [...]
Preparation of transparent electrodes based on CNT-s doped metal oxides
Paalo M., Tätte T., Visk U., Lõhmus A., Lõhmus R., Lõhmus A., Lõhmus R., Kink I., University of Tartu, EE
In recent year’s electrically conductive and transparent electrodes has been one of the most important issues in optoelectronics. High price of ITO have set the search for alternative materials into focus. CNT-s has been used [...]
Novel Hybrid Materials of Cellulose Fibres and Nanoparticles
The combination of organic and inorganic materials provides the opportunity to develop new materials that not only retain the inherent properties of their component precursors but may also exhibit new properties due to the synergistic [...]
High bending stiffness paperboard laminates with reduced weight
High bending stiffness is desirable in many paper and paperboard applications. This property is often achieved by manufacturing dense, high caliper sheets or boards. In addition to consuming large amounts of pulp, such paperboards or [...]
Functionalization of multiwalled carbon nanotubes with _-lactalbumin and _-lactoglobulin
The immobilization of proteins on carbon nanotubes is attracting much attention because the resultant hybrid nanomaterials are potentially useful as biomolecular nanosensors [1]. -lactalbumin and -lactoglobulin are the major proteins in whey, the by-products of [...]
Förster transfer in coupled colloidal type-II and type-I quantum dots
We examine theoretically resonant non-radiative exciton (Förster) transfer in the system of colloidal core-shell quantum dots (QDs) of different types. In this, the type-II QDs with electrons and holes separated in the real space have [...]
Adsorption of Colloid Gold Nanoparticles on Charged Surface
Colloid gold nanoparticles have many important applications, such as bio-molecular sensors and electronic devices. To fabricate the devices, one of the most significant processes is to assemble the gold nanoparticles on surface. In this work, [...]
Generalized model for the aggregation rate of colloidal nanoparticles and clusters induced by shear in the presence of repulsive interactions
Coagulation of colloidal nanoparticles in the presence of shear is a key step in processing of many particulate materials, polymeric nanoparticles, food products etc. In the case of charged nanoparticles, coagulation is usually carried out [...]
Organic versus Hybrid Coacervate Complexes: Co-Assembly and Adsorption Properties
Fresnais J., Berret J.-F., Qi L., Chapel J.-P., Castaing J.-C., Laboratoire Matière et Systèmes Complexes, FR
We report the co-assembly and adsorption properties of coacervate complexes made from polyelectrolyte-neutral block copolymers and oppositely charged nanocolloids.
Solubilization of Capsaicin and Its Nanoemulsion Formation in the Sonication and Self-Assembly Processes
Choi A.J., Kim C.J., Kim C.T., Cho Y-J, Choi A.J., Hwang J.K., Kim C.J., Kim C.T., Korea Food Research Institute, KR
Currently, interests in food nanotechnology and its research and development are at an initial stage in the world, and food industry is slowly moving to embrace it and preparing for establishment of a final goal [...]
Modeling evaporation and ring-shaped particle deposition of a colloidal microdroplet, with applications in biological assays
Colloidal drops evaporating on a solid substrate can be used as vehicles for dispensing or organizing small particles suspended within them. The pattern left after evaporation can be a ring-like structure such as the dried [...]
Preparation of Copper-Bearing Nanofluids for Thermal Applications
Stable suspension of nanometer solid particles in suitable solvents, so-called nanofluids, has shown enhanced thermal conductivity when compared with the fluid base. This feature enables these suspensions to be considered a promising material for efficient [...]
Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2008: Materials, Fabrication, Particles, and Characterization – Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 1
Published: June 1, 2008
Industry sector: Advanced Materials & Manufacturing
Topic: Composite Materials
ISBN: 978-1-4200-8503-7