Advanced Materials & Manufacturing – Page 75

Neutron Scattering for Biological Research: Progress at the Bio-SANS Beam Line

Qian S., Pingali S.V., Weiss K., Urban V., O'Neill H.M., Langan P., Oak Ridge National Laboratory, US

Structure-function relationships remain a critical theme in understanding many important biological processes regarding energy, disease and other applications. At Oak Ridge National Laboratory, home to two of the most powerful neutron sources for research High [...]

THz-Raman® Characterization of Graphene and Two-Dimensional Nanomaterials

Heyler R., Carriere J., Roy A., Ondax, Inc., US

Two dimensional (2D) materials have attracted a lot of attention due to their optimal optoelectronic properties which are not found in the domain of silicon based electronic materials. The identification and characterization of 2D materials, [...]

Effect of Film Thickness of an Insulating Material on Electrical Property Characterization and Edge Effects

Patel S.V., Gerhardt R.A., Georgia Institute of Technology, US

Insulating films such as silicon dioxide (SiO₂) have a variety of microelectronic applications because of the compound's insulating and dielectric properties. When measuring the electrical properties of a metal oxide film like silicon oxide, it [...]

Nanocharacterization Studies on Surface Modified Nanoporous Gold Films for Sensor Applications

Joshi M., Swastic S., Vemula J.K., Priydarshi K., Deshpande A., Ramanan S.R., Krishnan J.N., BITS Pilani, K. K. Birla Goa Campus, IN

Nano porous gold film is fabricated by electroless plating with Potassium Gold Cyanide as plating solution. E-beam deposited Cu substrates are chosen for plating experiments. SEM studies revealed the pore size to be 100+20 nm [...]

Optical Fluorescence Microscopy for Spatially Characterizing Electron Transfer across a Solid-Liquid Interface on Heterogeneous Electrodes

Choudhary E., National Institute of Standards and Technology, US

Heterogeneous catalytic materials and electrodes are used for (electro)chemical transformations, including those important for energy storage and utilization. Due to the heterogeneous nature of these materials, activity measurements with sufficient spatial resolution are needed to [...]

Nanoscale Materials Characterization

Effect of Charge Accumulation and Dielectric Polarization on EHD Patterning on Non-Conductive Substrates

Haque S., Lee S., Son S., Sungkyunkwan University, KR

Despite its merits in printing fine patterns, finer than the nozzle diameter used, and in employing high viscosity of ink [1], Electro-Hydro-Dynamic (EHD) printing is yet to be widely adopted due mainly to the charge [...]

Investigating an Inkjet Printer for Standardized Sample Preparation

Holthoff E.L., Farrell M.E., Marcus L.S., Pellegrino P.M., US Army Research Laboratory, US

Hazard detection systems must be evaluated with appropriate test material concentrations under controlled conditions in order to accurately identify and quantify unknown residues commonly utilized in theater. The existing assortment of hazard reference sample preparation [...]

Depositing Explosives and Chemical Materials on Relevant Surfaces using Inkjet Technology for Calibration Test Standards

Moon R.P., Fountain III A.W., Guicheteau J.A., Christesen S.D., Green N., Hung K., Tripathi A., US Army, US

Materials deposited on manmade or natural surfaces are frequently utilized as calibration standards for chemical or explosive detecting systems. The U.S. Army Edgewood Chemical Biological Center (ECBC) has redesigned a standard inkjet printer to be [...]

Characterization of Inkjet-printed Explosive Materials

Farrell M.E., Holthoff E.L., Marcus L.S., Pellegrino P.M., US Army Research Lab, US

The requirement to detect hazardous materials at both point and standoff distances has led to the development of laser-based hazard detection systems with immediate application for the security and safety of the US military, national [...]