Sentences with phrase «niobium boride»

The technology is made of an electrochromic material composed of nanocrystals of indium tin oxide embedded in a glassy matrix of niobium oxide.
Those palladium pr niobium or whatever other * ium - cased Euro - watches that advertise in the Sunday New York Times, however, are fast being relegated to antique status (symbols).
The company is focused on exploring for copper, gold, silver, niobium, diamonds and zinc deposits in West Africa, South America and in the Canadian provinces of Ontario and Québec, where it also operates a niobium mine.
In the electron microscope images reproduced in the article, the white filaments correspond to the minority phase consisting of approximately 98 percent niobium and 2 percent boron.
For over 65 years, niobium boride (NbB) has been considered a classic example of a superconducting material.
Electron bunches will gain energy in niobium cavities like these.
An electron beam travels through a niobium cavity, a key component of a future LCLS - II X-ray laser, in this illustration.
When the tip of the microscope oscillates over certain surfaces, in this case over NbSe2 (niobium selenide), peaks of «dissipation» (i.e., loss of energy) can be seen when the tip is at specific distances from the surface, as if it were held back, at certain locations, by some frictional force.
While the environmental implications of the major industrial metals (e.g., iron and copper) have been extensively studied [3], the environmental burdens of many of the minor metals (e.g., niobium, rhenium, hafnium) are essentially unknown, even though they are increasingly employed by industry.
These include silver, aluminum, gold, chromium, copper, iron, manganese, niobium, nickel, lead, palladium, platinum, rhenium, rhodium, tin, titanium, and zinc.
It utilizes the same 10 x 10 lattice design used in GNF2, and employs GNF's NSF (1.0 % niobium - 1.0 % tin - 0.35 % iron) zirconium alloy channel material which GNF says significantly reduces fuel channel distortion compared to typical zircaloy based channel materials.
These include tungsten, niobium, zirconium, titanium and tantalum and they form layers with sulfur and other chalcogenides such as selenium and tellurium.
The odd acceleration detected in the niobium ring also suggests that energy isn't conserved in the superconductor — another major violation of known physics.
At room temperature, niobium does not superconduct, and accelerometers around the ring measured that it was spinning at a constant rate.
But once the temperature fell, the niobium started to superconduct, and the accelerometers suddenly picked up a signal (Gravity's secret).
Though this round of naming seems to have gone off without a hitch, other dramatic battles over element names have been waged in the past, from the hundred - year - long battle over the element now called niobium to the Transfermium Wars of the 1960s.
The other strategy is based on different elements, including niobium, that propel hydrogen out of the oxide surface and protect the underlying zirconium alloy.
It will take tens of thousands of tonnes of steel and concrete, plus a whole host of more unusual materials: beryllium, niobium, titanium and tungsten; frigid liquid nitrogen and helium.
Majorana fermions leave their mark in the material (made of chromium, bismuth, antimony and tellurium overlaid with superconducting niobium) by tweaking a phenomenon known as the quantum anomalous Hall effect.
This tip, the first of its kind, is made from niobium and operates in a magnetic field as powerful as 7.2 Tesla.
Then 75 billionths of a second later, a second pulse excites the niobium ions to produce a pulse of X-rays with a wavelength of 20.6 nanometres.
Erich de Geer of the institute says detectors registered between 0.1 and 1.7 millionths of a becquerel of ruthenium, zirconium and niobium shortly after the accident.
After 49 years and $ 750 million, a Stanford University experiment using superconducting niobium spheres confirmed parts of Einstein's general theory of relativity.
Inside each cryomodule are 3 - 4 niobium cavity strings, accordion - like components bathed in liquid helium that keeps the cavities cold to aid in generating very strong electrical fields that drive the beam's acceleration.
«Essentially what they're doing is using hot plasma to burn off the hydrocarbons on and just below the surfaces [inside the niobium cavities].
Jones explained that over the years trace amounts of hydrocarbon contamination builds up inside the niobium cavities, lessening their ability to sustain high electrical fields, and thus decreasing the beam's potential energy.
University of Groningen physicists have taken a big step towards this goal by combining a niobium doped strontium titanate (SrTiO3) semiconductor with ferromagnetic cobalt.
Basically, the oxygen gobbles up all the bad atoms off the surface of the niobium, and afterwards everything gets pumped out as a gas,» Jones said.
They did so by adjusting the niobium doping of the semiconductor and thus the potential landscape at the interface.
Researchers from Rice University experimentally validated the calculations by synthesizing and testing two of the proposed materials, tantalum disulfide and niobium disulfide.
Made of pure niobium, this bumpy tube will be superconducting when chilled to near absolute zero in a bath of liquid helium.
However, trapped charges in the niobium made the gyroscopes far less round electrically; an Earth - sized map of a sphere's voltage landscape would sport peaks as high as Mount Everest.
A superconducting resonator (in yellow) is fabricated in a niobium titanium nitride film on a sapphire substrate.
Hongtao Sun et al. overcome this obstacle by incorporating holey graphene into a niobium pentoxide electrode.
Last August, physicists in Switzerland successfully teleported information 6 millimeters between two corners of a superconducting chip made from niobium, sapphire and aluminum; the superconducting chip is the basic building block for a quantum computer.
Quantum teleportation of data across a superconducting chip (like this one made from niobium, sapphire and aluminum) is essential for quantum computing.
It cools circuits made of the rare metal niobium to five - thousandths of a degree above absolute zero.
Vinokur and his colleagues observed the phenomenon, called the charge Berezinskii - Kosterlitz - Thouless (BKT) transition, in a microscopically thin film of superconducting niobium titanium nitrite.
It will be surrounded by superconducting niobium coils that create magnetic fields 100,000 times as powerful as Earth's.
One future avenue of research for Vinokur and his colleagues will be to raise the temperature at which their niobium titanium nitrite compound transitions into the superinsulating state.
The spin - valve consisted of two ferromagnetic cobalt layers, one superconductive niobium layer with thickness of approximately 150 atoms and a layer of gold.
On a separate silicon chip, they grow a thin, flexible film of silicon nitride, upon which they deposit the superconductor niobium nitride in a pattern useful for photon detection.
In this new work, he and his colleagues have shown that desirable characteristics for such devices, such as high power density, are not unique to carbon - based nanoparticles, and that niobium nanowire yarn is a promising an alternative.
Each one is a quartz sphere the size of a Ping - Pong ball, smooth to within a millionth of an inch and coated with the metal niobium, which is superconducting at liquid helium temperatures.
In addition, the material is highly flexible and could be woven into fabrics, enabling wearable forms; individual niobium nanowires are just 140 nanometers in diameter — 140 billionths of a meter across, or about one - thousandth the width of a human hair.
This paper, he adds, «convincingly demonstrates the impressive performance of niobium - based fiber supercapacitors.»
But the company's paper in Nature demonstrated definitive quantum behavior in a system with eight qubits, made from superconducting niobium loops.
Yarn made of niobium nanowires, seen here in a scanning electron microscope image (background), can be used to make very efficient supercapacitors, MIT researchers have found.
The new approach uses yarns, made from nanowires of the element niobium, as the electrodes in tiny supercapacitors (which are essentially pairs of electrically conducting fibers with an insulator between).
This is an illustration of an electron beam traveling through a niobium cavity — a key component of SLAC's future LCLS - II X-ray laser.
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