Sentences with phrase «in dielectric»

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

Identifying Annual Peaks in Dielectric Profiles with a Selection Curve.

The metal layer was encased in the dielectric material silicon dioxide, which is commonly used in the semiconductor industry to help route electricity.

He is being recognized for «innovative research on charge transport processes in dielectric films and the use of light scattering methods to probe structure / property relationships.»

In this method, when a liquid droplet suspended between a pair of electrodes in dielectric oil is exposed to a direct current (DC) electric field, the droplet moves between the pair of electrodes periodically and deforms under the intense DC electric field (Fig. 1).

Electrochemical dynamics of nanoscale metallic inclusions in dielectrics by Yuchao Yang, Peng Gao, Linze Li, Xiaoqing Pan, Stefan Tappertzhofen, ShinHyun Choi, Rainer Waser, Ilia Valov, & Wei D. Lu.

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.

Even more important is its ability to create charge separation in dielectrics — this has huge implications for understanding astrophysics.

Not exact matches

Picosecond laser damage performance assessment of multilayer dielectric gratings in vacuum

Metal is shown in yellow and orange, dark blue represents dielectric material, and lighter blue denotes the gallium oxide substrate.

The tunable dielectric and magnetic properties of metamaterials could be used in stealth technologies to cloak an object from view.

Unlike metallic / dielectric hyperbolic metamaterials, hBN also provides the additional functionality of both types of hyperbolicity, allowing both the in - plane and out - of - plane crystal axes to behave metallic -(reflective) or dielectric - like (transparent) simply by changing the wavelength of the exciting light.

To develop a novel absorber that is both thin and with broadband performance, Jiang's team employed a type of thin, light periodic structure called a frequency - selective surface, which consists of an assembly of patterned conductors arranged in a two - dimensional array, usually backed by a thin dielectric, to reflect incident microwaves according to their frequency.

In his system, Krupenkin runs this process backwards, using the changing physical form of liquid drops between dielectric - coated plates to generate charge and therefore electrical power.

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.»

Their real breakthrough, however, is discovering the use of an intermediate dielectric coating (hafnium) to block the quenching of the free electrons in the metal by the CNTs, allowing the nanotubes to function uninhibited.

Its wide band gap makes it a good insulator and protects the PEI film from dielectric breakdown at high temperatures, the reason for failure in other polymer capacitors.

«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.

Artistic impression of the squeezed light (plasmon) in between the metal and graphene, separated by a one - atom thick dielectric.

In a new paper, electrical engineers at Duke University demonstrate the first completely dielectric (non-metal) electromagnetic metamaterial — a surface dimpled with cylinders like the face of a Lego brick that is designed to absorb terahertz waves.

The material that Wang and his team created restores all properties needed for use as a dielectric in wearable electronics — mechanical strength, breakdown strength to protect against surges, electrical resistivity, thermal conductivity and dielectric, or insulating, properties.

The authors use the opportunities provided by nano - engineered dielectrics, the so - called Photonic Crystals, to study both how to trap the atoms closer to each other and make them interact through the guided modes in the structure.

The basic idea is to take a thin dielectric slab the refractive index of which gets periodically modulated by either drilling holes or installing little cylindrical posts in a grid-wise pattern.

Because of their nature, all SRI's dielectric elastomer devices exhibit a change in capacitance when they are bent or stretched.

«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.

Illustration showing how solar energetic particles may cause dielectric breakdown in lunar regolith in a permanently shadowed region (PSR).

The next step is to search for evidence of dielectric breakdown in PSRs and determine if it could happen in other areas on the moon.

These visions of future technologies emerge from a technical paper titled «Inverse - designed broadband all - dielectric electromagnetic metadevices» published online today in Scientific Reports.

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

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.

Out of frustration, literally inches away from me was the honey Cody had bought, so we decided to drop - cast the honey on graphene to act as top-gate dielectric — I thought maybe the honey would mimic dielectric gels I read about in literature.

One day in the lab, the duo was investigating various dielectric materials they could use to fabricate a graphene transistor.

Image of the liquid - metal graphene field - effect transistor (LM - GFET) and representation of charge distribution in electrolytic gate dielectrics comprised of honey.

Necessary inputs include equilibrium potentials, exchange current densities and transfer coefficients for the various interfacial reactions; dielectric properties of electrolytes and electrodes; mobilities of ions and electrons / holes in electrodes and electrolytes; and reaction rate constants of bulk processes (e.g., electron / hole recombination).

«As a top-gate dielectric, water is much too conductive, so we moved to sugar and de-ionized water to control the ionic composition in hopes we could reduce conductivity,» Ordonez explains.

2004 - 2006: Join project «High - k dielectric film deposition characterization» in the framework of a NSF / CNRS join program.

The Clarke laboratory (website: http://clarke.seas.harvard.edu/) at Harvard University is looking for a postdoctoral research fellow to conduct original and innovative research in the area of electronically controlled, adaptive devices based on dielectric elastomers for haptic applications.

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»).

Its dielectric breakdown strength is 3 times higher than in SiC and more than 30 times better than in Si, the carrier mobility is very high for both carrier types and the thermal conductivity is unsurpassed.

Solar energetic particles may cause dielectric breakdown in lunar regolith in a permanently shadowed region (PSR).

The prevailing belief is that molecules in the food, particularly water, absorb energy from the waves through dielectric heating.

On anything rubber or that comes in contact with rubber, such as the guide pins, their boots and the piston, I use dielectric tune - up grease (silicone).

Also, use dielectric grease in the boots to ensure you can pull them off easily the next time.

Putting the extra grease in the boot has only made it so you shouldn't have either of the issues which dielectric grease is meant to prevent.

Dielectric grease will get smooshed in to the gaps, keeping out moisture and electrolyte.

Not sure about dielectric grease, but I know you can use Vaseline like they did back in the old days.

Dielectric grease can be used in between electrical connections, but only those utilizing low - current.

So, if you want a really good connection between these metal surfaces, why would you put dielectric (non-conductive) grease in between them?