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During the last five years, few scientists have successfully employed very high pressures in order to produce metal hydrides, rich in hydrogen, which become superconductive around -20 degrees Celsius. This so-called transition temperature of metal hydrides is therefore considerably higher than that of other materials, which become superconductive only at -200 degrees Celsius.
Why metal hydrides behave differently was unknown for a long time. Now, however, a research team from the Bavarian Geoinstitute (BGI) and the Laboratory of Crystallography at the University of Bayreuth has shown experimentally and described theoretically that hydrogen atoms in metal hydrides start to interact with each other at high pressure. This knowledge could lead to a deeper understanding of the superconductive state and its origin.
Starting - Point - Design - Metal - Hydrides
"We now have a valuable starting point for the design of metal hydrides which become possibly superconductive at even higher temperatures. With new technology of high-pressure research in the Bavarian Geoinstitute,...
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