Physicists find a way to hold magnetism and superconductivity together | Tech News

Physicists find a way to hold magnetism and superconductivity together |  Tech News

Research teams from the University of Bath in the UK, Aragon National Laboratory in the US, Northwestern University and Hofstra University have recently published research findings that allow magnetism and superconductivity to exist in a superconductor.

The study, published in the Physical Review Letter, a well-known physics journal, points out that for decades, physicists could only speculate about the potential for magnetic and superconductivity interactions, but never proved them. Due to known experiments, magnetism and superconductivity are always mutually exclusive. The arrangement of the electromagnetic molecules of all ferromagnetic materials destroys the electron pair responsible for superconductivity, so the two cannot coexist.

Decades For decades, scientists have been unable to exclude magnetism and superconductivity from each other. (Source:Danila Tabangin)

The team pointed out that some materials can produce superconductivity at very low temperatures. But in order to develop superconductor and computer computing technology for the next generation, we need to find ways and materials that allow people to combine superconductivity and magnetism so that magnetic core memory and magnetic computer computing technology can be integrated with superconductivity to a higher level of efficiency.

Although scientists have developed many materials over the past few decades that can coexist with magnetism and superconductivity, the materialistic scientific community still does not know the theoretical basis of coexistence, so it is difficult to replicate the results of developmental experiments. Scientific community, this is a problem that has existed for a long time.

“In our experiment we found a widely used superconductor material RbEuFe4As4 can produce excellent superconductivity at minus 236 degrees, but if the temperature drops below minus 258 degrees, the material will appear magnetic. Said Professor Simon Bending, who leads the team.

Crystal structure of B RbEuFe4As4. (Source:Research Gate)

Previously, Dr. of the National Research Office in Aragon. Alexei Koshelev suggested the same theoretical model.European would suppress the formation of superconductivity as it causes magnetic fluctuations. However, as the temperature drops to minus 258 degrees, the magnetic fluctuations of Europe will begin to align the atoms with other atoms, which will reduce the barrier of superconductivity.

Therefore, through this experiment, the team pointed out that the lattice, magnetism and superconductivity of superconductor materials work separately in their sub-lattice and are very closely related to each other.

Professor Simon Bending from the University of Bath leading the team research team. (Source:Nanocohibri)

This discovery will enable the scientific community to understand the physical mechanism of the interaction of magnetism and superconductivity, as well as provide scientists around the world with common and sustainable experimental materials for the next generation of semiconductors, energy, computers, research and development.

(Source of the first image:Association of American Universities)



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