Sentences with phrase «nanotube field»

A hat tip to Kurzweil Accelerating Intelligence for describing how scientists from Tohoku University in Japan had combined carbon nanotube field emitters with a solution of indium oxide and tin oxide to produce a very efficient planar light source.

To overcome the drawbacks of single - walled carbon nanotube field - effect transistors and improve their performance, the researchers deposited PVDF - TrFE on the top of self - fabricated single - walled carbon nanotube transistors by inkjet printing, a low - cost, solution based deposition process with good spatial resolution.

To confirm their hypothesis, Dodabalapur and his coworkers performed experiments comparing the effects of polar and non-polar vapors on single - walled carbon nanotube field - effect transistors.

«Before single - walled carbon nanotube field - effect transistors were fabricated by inkjet printing, they were dispersed in an organic solvent to make a printable ink.

The next step, Dodabalapur said, is to implement more complex circuits with single - walled carbon nanotube field - effect transistors.

«Single - walled carbon nanotube field - effect transistors (FETs) have characteristics similar to polycrystalline silicon FETs, a thin film silicon transistor currently used to drive the pixels in organic light - emitting (OLED) displays,» said Mark Hersam, Dodabalapur's coworker and a professor in the McCormick School of Engineering and Applied Science at Northwestern University.

Not exact matches

In the 1990s the invention of atom - scale carbon cylinders known as carbon nanotubes convinced many scientists that nanotechnology — the manufacture of materials on the molecular level — was poised to revolutionize computing, medicine, and other fields.

By applying a voltage across a carbon nanotube — a rolled - up sheet of carbon atoms — the team can generate a powerful electric field.

For converting heat to electricity, the principle is the same as for light — capturing oscillations in a field with the broadband carbon nanotube antenna.

Optical rectennas operate by coupling the light's electromagnetic field to an antenna, in this case an array of multiwall carbon nanotubes whose ends have been opened.

Plank and her team attached their estrogen - binding aptamers to the other important part of their device: the carbon nanotube thin film field effect transistor (CNT FET).

In Friedman's spintronic circuit design, electrons moving through carbon nanotubes — essentially tiny wires composed of carbon — create a magnetic field that affects the flow of current in a nearby graphene nanoribbon, providing cascaded logic gates that are not physically connected.

Under a strong electric field, the cathode emits tight, high - speed beams of electrons through its sharp nanotube tips — a phenomenon called field emission.

In recent years, carbon nanotubes have emerged as a promising material of electron field emitters, owing to their nano - scale needle shape and extraordinary properties of chemical stability, thermal conductivity and mechanical strength.

«Many researchers have attempted to construct light sources with carbon nanotubes as field emitter,» Shimoi said.

About a dozen possible next - generation candidates exist, including tunnel FETs (field effect transistors, in which the output current is controlled by a variable electric field), carbon nanotubes, superconductors and fundamentally new approaches, such as quantum computing and brain - inspired computing.

Although circuits made with single - walled carbon nanotube are expected to be more energy - efficient than silicon ones in future, their drawbacks in field - effect transistors, such as high power dissipation and less stability, currently limit their applications in printed electronics, according to Dodabalapur.

Then, one day on an airplane, Schindall read an article «about a technique... being used in a different field to grow vertically aligned nanotubes on a flat substrate,» he recalls.

Nanocomp's carbon nanotube sheets are designed to act as a «Faraday cage» that can block out external static electrical fields from sensitive circuitry.

Carbon nanotubes — those minute cylinders of carbon poised to revolutionize the fields of materials science and electronics — just got even smaller.

When carbon nanotubes entered the spotlight in 1991, visionaries and futurists had a field day.

These are temperature dependent near - and far - field Raman spectroscopy with different lasers (for the investigation of electronic and vibrational properties), high resolution transmission electron spectroscopy (for the direct observation of carbyne inside the carbon nanotubes) and x-ray scattering (for the confirmation of bulk chain growth).

The scientists spent some time trying to affect the optical properties of carbon nanotube films with an electric field, with little success, said Itkis, a research scientist at the Center for Nanoscale Science and Engineering.

In recent years, carbon nanotubes have emerged as a promising material of electron field emitters, owing to their nanoscale needle shape and extraordinary properties of chemical stability, thermal conductivity, and mechanical strength.

The Rice - Tokyo team reported an advance in the ability to manipulate light at the quantum scale by using single - walled carbon nanotubes as plasmonic quantum confinement fields.

For his pioneering and extensive contribution to the field of carbon nanotubes, he shared the 2001 Agilent Europhysics Prize with Sumio Iijima, Cees Dekker and Paul McEuen.

«They grow in such a way that the carbon nanotubes arrange themselves perpendicular to the substrate, like a bamboo «forest» on a field, where each bamboo will be equivalent to a nanotube.»