Sentences with phrase «electrical resistance at»
Moreover, these magnetic moments interact strongly with the electrons in graphene which carry electrical currents, giving rise to a significant extra electrical resistance at low temperature, known as the Kondo effect.
https://foresight.org/
Strange metals include high - temperature superconductors, which have no electrical resistance at all below a critical temperature that is generally defined as above the boiling point of liquid nitrogen (196 °C).
SEATTLE, WASHINGTON — Materials that lose their electrical resistance at a whisper above absolute zero generally don't garner much attention.
Technically, I'm directing the arrow by altering my physical state — the electrical resistance at the tips of my fingers and my heart rate.
Not exact matches
Rather like electrons flowing without electrical resistance, at temperatures close to absolute zero, some atoms turn superfluid, flowing with no friction or physical resistance.
A compound of hydrogen and sulfur, when crushed at more than a million times Earth's standard atmospheric pressure, appears to whisk electrical current along without resistance at temperatures up to 203 kelvins.
Superconductivity is at the heart of intensive research in physics, in particular because of its remarkable electronic properties, such as the absence of electrical resistance.
The most celebrated quantum materials are the high - temperature superconductors discovered in the 1980s, so named for their ability to conduct electrical current without resistance at temperatures well above those of traditional superconductors.
Finally, Yoichi Ando and colleagues at the Central Research Institute of the Electric Power Industry in Tokyo, Japan, report that in nonsuperconducting LSCO and YBCO, the electrical resistance is smaller for current flowing in the direction in which the stripes are thought to run.
The discovery, reported in tomorrow's issue of Nature, relies on a phenomenon called colossal magnetoresistance — a large drop in a material's electrical resistance in response to an applied magnetic field — that has previously been seen only at very low temperatures.
«We've proved that generating entanglement between photons emitted from an LED can be achieved by adding another peculiar physical effect of superconductivity — a resistance - free electrical current in certain materials at low temperatures.»
«The very idea of using protons rather than electrons to move charge encounters intuitive resistance,» says John Roberts, an electrical engineer at Cambridge University in the U.K. «People know how to control electrons.
Researchers have shown that certain superconductors — materials that carry electrical current with zero resistance at very low temperatures — can also carry currents of «spin».
Physicists at the U.S. Department of Energy's Ames Laboratory compared similar materials and returned to a long - established rule of electron movement in their quest to explain the phenomenon of extremely large magnetoresistance (XMR), in which the application of a magnetic field to a material results in a remarkably large change in electrical resistance.
These are materials in which all resistance to an electrical current disappears at temperatures ranging from near absolute zero to as «warm» as around — 170 degrees Fahrenheit -LRB--- 112 degrees Celsius).
Researchers at Aalto University in Finland have visualized how oxygen ion migration in a complex oxide material causes the material to alter its crystal structure in a uniform and reversible fashion, prompting large modulations of electrical resistance.
The researchers then used an electrical probe to measure the resistance of the compounds at different temperatures.
Now, Tina Stankovic at Harvard Medical School in Boston and colleagues have developed an electronic chip containing low - resistance electrodes that can harness a small amount of that electrical activity without damaging hearing.
In investigating the new technique, the researchers at UIUC were diligent in their testing of the formed graphene via electron microscopy, atomic force microscopy, Raman spectroscopy, and electrical resistance measurement to confirm that it maintained its shape and consistency after forming.
Cooled to extremely low temperature, these «superconducting» cavities allow radiofrequency fields to boost electron energies without electrical resistance — a crucial property for the acceleration of electrons at a rate of up to a million bunches per second.
Over time, increased resistance at the taillight electrical contact points may cause damage to the ground terminal and housing of the connector resulting in an intermittent or permanent loss of functionality of one or more rear lamp functions (tail, brake, turn - signal, reverse).
Action Need To Fix It: THE DEALER WILL REMOVE THE EXISTING BULB SOCKET AND WIRING ASSEMBLY AND REPLACE IT WITH COMPONENTS THAT HAVE THE PROPER ELECTRICAL RESISTANCE QUALITIES, AT NO CHARGE TO OWNER.
They set up a string of electrodes at different locations to conduct electrical resistance tomography measurements.