Sentences with phrase «few nanometers»

The phrase "few nanometers" means a very tiny unit of length, specifically referring to a measurement that is only a few billionths of a meter. Full definition
They're employing photosensitive quantum dots — semiconducting particles only a few nanometers wide that have optical and electronic properties — as a catalyst.
Quantum dots are semiconductor particles only a few nanometers wide — small enough that they behave like individual atoms.
«Today already, transistors are merely a few nanometers in size.
The aim is to bring warmed - up skyrmions down to a few nanometers.
Certainly the most colorful advance to emerge from the Capasso lab, however, is a technique that coats a metallic object with an extremely thin layer of semiconductor, just a few nanometers thick.
It includes everything from huge boulders to particles only a few nanometers in diameter, but most of it is a puree created by uncountable high - speed micrometeorites that have been crashing into the moon unimpeded by atmosphere for more than 3billion years.
These pores are just a few nanometers across — too small for bacterial or viral cells to squeeze through, but wide enough for sweat to escape.
A quantum dot laser is similar in design, but the sheets of quantum well materials are replaced with a high density of smaller dots, each a few nanometers high and tens of nanometers across.
By measuring the effect for different material thicknesses in the range of a few nanometers up to several micrometers as well as for different temperatures, the scientists have found characteristic behavior.
The tiny molecular machine threads the rings around a nanoscopic chain — a sort of axle — and squeezes the rings together, with only a few nanometers separating them.
Microtubules, hollow fibers of tubulin protein only a few nanometers in diameter, form the cytoskeletons of living cells and play a crucial role in cell division (mitosis) through their ability to undergo rapid growth and shrinkage, a property called «dynamic instability.»
By embedding lasers a few nanometers in diameter in silicon, developers can fabricate the circuits using techniques already in place in the chip - making industry.
«The platform we developed allows us to image battery dynamics at the mesoscale, which is between a few nanometers and a few hundreds of nanometers,» says Will Chueh, a faculty scientist at the Department of Energy's SLAC National Accelerator Laboratory, and an assistant professor of materials science & engineering at Stanford University, who led the research.
This tiny US flag — just a few nanometers wide and invisible to the naked eye — is arguably the world's smallest image of Old Glory, according to its creators at the University of Texas at Dallas.
Because they were able to move the beam just a few nanometers over and run their interrogation again, the team could reconstruct chemical maps of the nanoparticles with a resolution of about 11 nanometers.
By engravings using electron beam lithography, the waveguides of several micrometers in length are provided with finest cavities of a few nanometers in size.
It is aimed at studying nanosystems of unique functionality and the potential of materials of a few nanometers in structural size.
Quantum dots are extremely small semiconductor particles only a few nanometers in size.
Once the top is smoothed to within a few nanometers of perfection, a layer of aluminum vapor is deposited to provide a reflecting surface.
QuantumFilm's dots are only a few nanometers in diameter, about the thickness of a biological cell membrane.
In a recent example, outlined in Nature last year by a team from Yale University and the University of Washington in Seattle, laser light routed through a tiny bridge - shaped resonator induced the bridge to vibrate up and down within a range of a few nanometers.
Because they're stable, only a few nanometers in size, and need just small electric currents to transport them, skyrmions hold potential as the basis for ultra-compact and energy - efficient information storage and processing devices in the future.
(Consider that most proteins are merely a few nanometers across.)
With the help of the electrons of the resulting nitrogen vacancy center, even smallest magnetic fields can be detected with a resolution of a few nanometers thanks to nuclear magnetic resonance (NMR) spectroscopy.
In May, researchers at Hewlett - Packard (HP) unveiled their long - anticipated «memristor,» [subscription required] a device only a few nanometers wide that could revolutionize computer memory and help researchers build a machine that functions like a human brain.
In the experiment, they were able to see that nearly every carbon atom of the original plastic was incorporated into small diamond structures up to a few nanometers wide.
Their name is derived from their size, since the diameter of a nanotube is on the order of a few nanometers (approximately 50,000 times smaller than the width of a human hair), while they can be up to several millimeters in length.
The insects owe their brilliant looks to photonic nanostructures — crystalline structures in their wings that reflect light and repeat on the order of every few nanometers — and now scientists think that they have figured out how these structures create such vivid colors.
The addition of a few nanometers of a thin layer of aluminum oxide protects a perovskite solar cell against humidity — still a major stumbling block to the commercial application of this new type of solar cell.
But because the conducting part of this material, at its outermost edge, measured only a few nanometers thin — thousands of times thinner than the X-ray beam's focus — it was difficult to positively identify all of the material's electronic properties.
To excite and image the ultra-slow ripples of light in the graphene (also called plasmons), the researchers used a special antenna for light that scans over the surface at a distance of a few nanometers.
An inner layer of silver serves to conduct the electrical signals and prevent the growth of microorganisms, while the outer layer of titanium, just a few nanometers thick, ensures signal stability and prevents skin irritation occurring and the release of silver particles.
First, they patterned the surface of the semiconductor by selectively coating it with a gold layer only a few nanometers thick.
Optical cavities confine light in a tiny space of a few nanometers.
Demonstrating a strategy that could form the basis for a new class of electronic devices with uniquely tunable properties, researchers at Kyushu University were able to widely vary the emission color and efficiency of organic light - emitting diodes based on exciplexes simply by changing the distance between key molecules in the devices by a few nanometers.
To keep the system running for hours at a time, the Toshiba team also implemented a feedback system to stretch certain meters - long optical fibers within Alice's and Bob's detectors by a few nanometers, thus keeping the ratio of those lengths constant to a few parts in a billion.
«The metal colloids are only a few nanometers in size, but their particular ratio of size to surface area produces a distinctive long - term effect.
Due to the ever - growing demand for more powerful electronic devices, the next generation spintronic components must have functional units that are only a few nanometers large.
Components measuring just a few nanometers — the size of around ten atoms — are already being produced in research laboratories.
The mice seem to develop normally when only one copy of the gene is removed, but microscopic inspection reveals a number of small «gaps,» or disorganized regions of tissue (on the scale of a few nanometers) on their aortas, the largest artery in their bodies.
Short constrictions of only a few nanometers in width remain conductive and reveal a confinement gap of up to 0.5 electron volt, demonstrating the possibility of molecular - scale electronics based on graphene.
Previously, this method was laborious, prone to errors and impractical for creating complex structures larger than a few nanometers.
«This way we can precisely design objects in the computer that are merely a few nanometers in size.»
Sandberg suspected scientists would need a scan of a brain that could provide details down to a few nanometers (less than a millionth of an inch).
The process created small crystalline regions that are only a few nanometers in size, with hints of structure, which researchers believe are key to the material's ability to withstand stress.
In research reported in the journal, this water behavior appeared only when water was confined to spaces of a few nanometers or less — the equivalent of just a few layers of water molecules.
«The platform we developed allows us to image battery dynamics at the mesoscale, which is between a few nanometers and a few hundreds of nanometers,» says Will Chueh, a faculty scientist at SLAC National Accelerator Laboratory, and an assistant professor of materials science & engineering at Stanford University, who led the research.
This technology can zoom in on objects as small as a few nanometers big (a few billionths of a meter wide) and can catch a moment in time to reveal what happens over about 15 nanoseconds (15 billionths of a second long).
As the scientists mostly expected, the simpler peptoid formed initial crystals a few nanometers in size that grew longer and taller as more of the peptoid molecules snapped into place.
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