Sentences with phrase «of dielectric materials»

Atomic layer deposition is a layer - by - layer chemical vapor deposition - based thin - film growth technique used extensively in the electronics industry to deposit nanometer - thick films of dielectric materials on devices.

This research opens new pathways for probing other electromechanical phenomena on the nanoscale that have not been studied before, such as charge trapping and properties of dielectric materials.

They observed the metal atoms becoming charged ions, clustering with up to thousands of others into metal nanoparticles, and then migrating and forming a bridge between the electrodes at the opposite ends of the dielectric material.

Not exact matches

The results were reported in a recent issue of the journal Advanced Materials in a paper titled «High - performance Polymers Sandwiched with Chemical Vapor Deposited Hexagonal Boron Nitrides as Scalable High - Temperature Dielectric Materials.»

«Prior to this work we had developed a composite of boron nitride nanosheets and dielectric polymers, but realized there were significant problems with scaling that material up economically.»

«This is part of a series of work we have done in our lab on high - temperature dielectrics for use in capacitors,» said Qing Wang, professor of materials science and engineering, Penn State.

The first change was to replace traditional copper coils with spherical dielectric resonators made of ceramic material with high permittivity and low loss.

The new model uses a dielectric material rather than a metal for the nanoantennas, a change which greatly improves its efficiency and, combined with a new design approach, enables operation over a broad range of wavelengths.

«Our initial demonstrations include experimental and theoretical studies of more than forty representative geometries, from single and multiple helices, toroids and conical spirals, to structures that resemble spherical baskets, cuboid cages, starbursts, flowers, scaffolds, fences and frameworks, each with single and / or multiple level configurations, constructed in various materials, including semiconductors, conductors and dielectrics.»

«Because the dielectric elastomers can be purchased off the shelf and we'd use at most only a few square feet of material in each device, the actuators would be very low cost, particularly in volume production,» SRI's von Guggenberg estimates.

«This process isn't completely new to space science — electrostatic discharges can occur in any poorly conducting (dielectric) material exposed to intense space radiation, and is actually the leading cause of spacecraft anomalies,» said Timothy Stubbs of NASA's Goddard Space Flight Center in Greenbelt, Maryland, a co-author of the paper.

By manipulating the structure of aluminum oxide, a dielectric material, researchers were able to improve its optical and mechanical properties.

Dielectrics are insulator materials that are used in an enormous array of consumer products.

Placed around a copper cylinder, the arrangement created the illusion that the cylinder was made of a dielectric, a class of materials including porcelain and glass that do not conduct electricity and are more transparent to radio waves.

These high - performance printed devices are achieved by materials understanding and device design that allows the formation of good dielectric - semiconductor and semiconductor - metal interfaces.

The Hiden Analytical UHV surface analysis system range is further extended by the addition of «MAXIM», a high - performance quadrupole secondary ion monitor specifically designed for optimum sensitivity for surface analysis and depth profiling applications for a wide range of materials including polymers, superconductors, semiconductors, alloys and dielectric, with measurement of trace components to sub-ppm levels.

Scientists at The Australian National University (ANU) have designed a new nano material that can reflect or transmit light on demand with temperature control, opening the door to technology that protects astronauts in space from harmful radiation (Advanced Functional Materials, «Reversible Thermal Tuning of All - Dielectric Metasurfaces»).

To overcome the limitations, researchers from the U.S. Army Research Laboratory and the University of Minnesota developed the first fully 3D printed dielectric elastomer actuator (DEA)-- a soft actuator prototype using active materials with tunable parameters such as structural flexibility, morphology and dynamic actuation.

Her research experience includes modeling of organic aerosol oxidation at LBNL, fabrication and optimization of high performance semiconductor nanoparticle - based image sensors as Manager of Materials Development at InVisage Technologies, Inc., and foundational and applied research as a Research Staff Member at IBM's Almaden Research Center on transformations in dielectrics, semiconductors, metals, and polymer films.

They climbed back into the dish with brooms and scrubbing brushes and carefully swept it clean of what they referred to in a later paper as «white dielectric material,» or what is known more commonly as bird shit.

The success of this effort relies on new or improved processing techniques and materials for plastic electronics, including methods for (i) rubber stamping (microcontact printing) high - resolution (≈ 1 μm) circuits with low levels of defects and good registration over large areas, (ii) achieving low leakage with thin dielectrics deposited onto surfaces with relief, (iii) constructing high - performance organic transistors with bottom contact geometries, (iv) encapsulating these transistors, (v) depositing, in a repeatable way, organic semiconductors with uniform electrical characteristics over large areas, and (vi) low - temperature (≈ 100 °C) annealing to increase the on / off ratios of the transistors and to improve the uniformity of their characteristics.

For example, high - energy electrons can penetrate spacecraft and deposit their charge in the dielectric (insulating) material of electronic circuit boards.

Prof. Jeong Min Baik of UNIST (School of Materials Science and Engineering) said that while several attempts have been made to use UV - based photoelectrodes for hydrogen production, the new photoelectrode represents the first use of the metal - dielectric hybrid - structured film with TiO2 for oxygen production.