Shulou(Shulou.com)11/24 Report--

Thanks to CTOnews.com netizen Lun Liu hanging branch clue delivery! A team of researchers in the United States announced on March 8 that they have created a superconductor that can work under real conditions. In 2020, the team claimed to have created the world's first room-temperature superconductor, which was questioned. For this reason, their latest findings may come under closer scrutiny.

Many materials can become superconductors, capable of transmitting electricity without resistance as long as they are cooled to very low temperatures. Although some superconductors can work under higher conditions, they must withstand extremely high pressures, which means they cannot be used in practice.

Now researchers say they have created a superconductor that works at room temperature and relatively low pressures. Superconductors working under conventional conditions could herald a new era of efficient machines, ultra-sensitive instruments and revolutionary electronics.

"This indicates that new materials useful for practical applications have emerged," Ranga Dias, a physicist at the University of Rochester in New York, told a March 7 meeting of the American Physical Society. "

This superconductor is a material made up of hydrogen, nitrogen and plutonium. Dias and his colleagues mixed these elements in a device called a diamond-anvil cell. They then varied the pressure and measured the resistance to current in the compound.

At about 21 degrees Celsius, the material seems to lose any resistance to electrical current. It still requires a pressure of 10 kilobar, which is about 10000 times atmospheric pressure. But that's well below the millions of atmospheres normally required for superconductors at room temperature.

If the results of this study are confirmed, it will make the material more promising for real-world applications.

However, the research is likely to come under intense scrutiny, partly because the team caused a stir by publishing an earlier paper claiming to have found superconductivity in carbonaceous hydrogen sulfide at 15 degrees Celsius.

The editors of Nature retracted the paper despite objections from Dias and his coauthors, citing irregularities in data processing that undermined their confidence in the results.

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