Scientists discover new properties of uranium compounds | 10/16/2018 | Staff
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Scientists from Russia, China and the United States predicted and have now experimentally identified new uranium hydrides, predicting superconductivity for some of them. The results of their study were published in Science Advances.

The phenomenon of superconductivity was discovered in 1911 by a group of scientists led by Dutch physicist Heike Kamerlingh Onnes. Superconductivity means complete disappearance of electrical resistance in a material when it is cooled down to a specific temperature, forcing out the magnetic field from the material. At the start, superconductivity was discovered in a few base metals such as aluminum and mercury at temperatures of several degrees above absolute zero, which is -273° C. Of particular interest to scientists are the so-called high-temperature superconductors that exhibit superconductivity at less extreme temperatures. The highest temperature superconductors operate at -183° C, and, therefore require constant cooling. In 2015, a rare sulfur hydride (H3S) set a new high-temperature superconductivity record of -70 °C , although at pressures as high as 1,500,000 atm.

Group - Physicists - Professor - Artem - R

A group of physicists led by Professor Artem R. Oganov predicted that much lower pressures of about 50,000 atmospheres can produce 14 new uranium hydrides, of which only one, UH3, has been known to date. They include compounds rich in hydrogens, such...
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