Nano Fabrication – TechConnect Briefs

Dissymetric metal deposition on carbon nanotubes

Warakulwit C., Delville M.-H., Ravaine V., Limtrakul J., Kuhn A., University of Bordeaux, FR

Short carbon nanotubes have been modified selectively on one end with metal using an original bulk technique based on bipolar electrochemistry. A stabilized suspension of nanotubes is introduced in a capillary containing an aqueous metal [...]

Overview of Solid Phase Synthesized Carbon Nano Tube; Revealing of the Regional Affects

Nguyen D.V., Nguyen K.C., Nguyen D.V., Nguyen K.C., Nguyen D.V., Nguyen K.C., Anh T.N.M., Thy N.N., Phat T.H., Hieu T.L., SAIGON HI TECH PARK, VN

The most recent carbon nano tube (CNT) products has been made by catalytic growth process in a CVD reactor system . The optimized process utilizes the gas phase carbon sources which is fed into reaction [...]

Self Aligned Multi-Layer Nano-Gap Electrodes for Fluidic and Magnetic Assembly of Carbon Nanotubes

Shim J.S., Yun Y.H., Schulz M.J., Ahn C.H., University of Cincinnati, US

A self aligned nano-scale gap was fabricated using conventional optical lithography, and applied for the assembly of a carbon nanotube (CNT). The new technique enables the formation of a sub-micron gap between self-aligned electrodes with [...]

Catalyst-Free, High-Speed Synthesis of ZnO Nanostructures

Pedersen J., Teh K.S., San Francisco State University, US

We demonstrate a rapid and catalyst-free method of synthesizing ZnO nanostructures on Si(100) using a low-power (65W) induction heating process. Our preliminary results show that we could grow ZnO nanostructures of specific geometries ranging from [...]

Synthesis and characterization of nanoporous alumina films with controlled physical and chemical attributes

Monfared N.A., Atre S., Kishton R., Varadarajan S., Oregon State University, US

The performance of nano-porous surfaces and nano-porous membranes are highly dependent on the pore’s morphology, size and chemistry as well as their density and homogeneity. Therefore it is important to be able to control these [...]

Structural and Optical Properties of Zinc Oxide Nanoparticles Synthesized using Continuous Spray Pyrolysis Reactor

Dutta V., Phanikaran B. V., Dwivedi C., Indian Institute of Technology Delhi, IN

ZnO nanoparticles were prepared by injecting atomized droplets of spray solution containing zinc precursor into a heated reactor. Structural and optical properties of ZnO nanoparticles thus created were investigated using X-ray diffraction (XRD), electron microscopy [...]

Focused Ion Beam machining of large and complex nanopatterns

Wilhelmi O., Roussel L, Anzalone P., Stokes D.J., Faber P., Reyntjens S., FEI Company, NL

Modern FIB columns have not only reduced minimum spot sizes, but has also improved beam profiles at large and intermediate FIB currents. Focused ion beams with high beam currents and yet small spot sizes and [...]

Cost Saving Strategies: Using a project planning process that can integrate capital and operational spending into a Nanofabrication Business Plan

Gregg A., Strnad M., Abbie Gregg, Inc., US

AGI will show how a project planning process that includes a business case analysis for nanofabrication buildings can help with many of the design, construction and operational decisions for the buildings. The typical building project [...]

The first Italian micro exposure tool for EUV lithography: design guidelines and experimental results

Flora F., Bollanti S., Di Lazzaro P., Mezi L., Murra D., Torre A., ENEA, IT

The first Italian Micro Exposure Tool (MET) for EUV lithography has been developed at the ENEA Research Laboratories in Frascati (Italy). In spite of the very low cost of the Schwarzschild optics, the specific design [...]

Stretegies for fabrication of nanostructures using focused ion beam technology

Gadgil V.J., Mesa+ Institute for Nanotechnology, NL

Recently FIB is increasingly being used for fabrication of nanosturctures and rapid prototyping. In the area of optical sciences, FIB is used for fabrication of 2D and 3D photonic devices. One of the problems in [...]

Fabrication of Guided-mode Resonance Devices by Soft Lithography in Hybrimers

Lee K.J., Magnusson R., Jin J.H., Bae B.-S., University of Texas at Arlington, US

Diffractive optical elements and photonic crystals consist of fine spatial patterns designed to affect the spectrum, polarization, phase and other properties of light. Periodic layered structures are widely used in integrated optics, communication systems, spectroscopy, [...]

Optical properties of Zinc Oxide/Polymer Nanocomposite

Singh S.C., Swarnkar R.K., Gopal R., University of Allahabad, IN

Semiconductor/polymer Nanocomposite materials have wide range of applications in optoelectronic industry in the fabrication of LEDs, Photo detectors, Displays etc due to their composition dependent electroluminescence (EL) and photoluminescence (PL) properties. ZnO/ PEG Nanocomposite materials [...]

A Precise Reclaim Fabrication by Nanoscale Removal Processes using a Design of Ellipsoidal Anode

Pa P.S., National Taipei University of Education, TW

A new design of ellipsoidal anode using micro-electrochemical etching as a precise reclaim fabrication by nanoscale removal processes for In2O3SnO2 conductive microstructure from a surface of display’s color filter surface is presented. Through the design [...]

p-Type Single-Wall Garbon Nanotube Network on n-Type Si for Heterojunction Photovoltaic Cells

Li Z., Xu Y., Saini V., Dervishi E., Mahmood M., Biris A.R., Biris A.S., Biris A.R., Biris A.S., University of Arkansas at Little Rock, US

The solar cells based on high-density p-n heterojunctions between single wall carbon nanotubes (SWNTs) and n-type crystalline silicon were produced with airbrushing technique. The SWNTs/n-Si heterojunction is rectifying. Under optical excitation the numerous heterojunctions formed [...]

Nano-scaled water ejection using Nanopipette with QTF-AFM for Nanolithography

An S.M., Jang S.J., Noh H.E., Jhe W.H., Seoul National University, KR

We demonstrated that the apex of nanopipette with applying electric field could be used as a nano-scaled water ejection system using AFM(Atomic Force Microscopy) System based on QTF(Quartz Tunning Fork), namely nanolithography system. The tip [...]

Single-step synthesis of visible-light TiO(2-X)N(X) photocatalyst nanopowder by thermal plasma

Tsai C-Y, Hsi H-C, National Kaohsiung First University of Science & Technology, TW

In this study, TiO(2-X)N(X) was synthesized using transferred DC plasma torch as the heating source. As a result, the nanopowders of TiO(2-X)N(X) were formed via a single-step process. The formed TiO(2-X)N(X) nanopowder was characterized with [...]

Analysis of density variation for different temperatures in thermal nano imprinting process

Lee D.E., Lee H.J., Lee W.I., Lee D.E., Lee H.J., Lee W.I., Choi S-W, Lee D.E., Lee H.J., Lee W.I., Seoul National University, KR

Density variation of the polymer resist for different temperatures in thermal nano imprinting1 process was studied by both experiments and molecular dynamics (MD) simulations. After patterning, we estimated the local density by measuring the pull-off [...]

Spark Plasma Synthesis (SPS) Device for Sintering of Nanomaterials

Jalabadze N., Nadaraia L., Mikeladze A., Chedia R., Kukava T., Khundadze L., Technical University of Georgia, GE

It is known that pieces with nanocrystalline structure condition have much higher performance than those with an ordinary structure. There are number of techniques for manufacturing nanocrystalline materials in powder condition however a question of [...]

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