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Russian Scientists Come Up With New Way to Improve 5G

CC BY 2.0 / Ivan Radic / Cell tower and transparent 5G textCell tower and transparent 5G text
Cell tower and transparent 5G text - Sputnik International, 1920, 20.12.2021
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Specialists from Saratov State University have created a unique material for 5G networks. According to the scientists involved in the project, the brand new development will increase the efficiency of data reception and transmission by suppressing interference.
The research was published in the journal Applied Physics Letters.

Electromagnetic radiation absorption non-reflective materials are widely used in modern communication systems. As the SSU scientists explained, these types of materials are applied to suppress interference caused by a large number of antennas operating on the same frequency.
The vast majority of such materials on the market are designed to work with radiation in decimetre and centimetre ranges. However, the new 5G wireless device operates in the millimetre range, and, as the researchers say, works hundreds of times faster than previous generations.
© Photo : Victoria Victorova/Saratov State UniversityAndrei Starodubov, Senior Researcher of the Tailored Materials Laboratory.
Andrei Starodubov, Senior Researcher of the Tailored Materials Laboratory.
 - Sputnik International, 1920, 20.12.2021
Andrei Starodubov, Senior Researcher of the Tailored Materials Laboratory.
The new composite is said to increase the efficiency of reception and transmission equipment by reducing interference. The tests have shown the new material performs at a high level.

"We have developed a composite film made of silicon and aluminium which is to be applied to quartz glass. The film is about 100 times thinner than human hair. The coating reduces the power of reflected radiation more than 10-fold and decreases the power of radiation passed through it by 3-4 times", Andrei Starodubov, senior researcher from the Tailored Materials Laboratory said.

The SSU scientists highlighted that there is no analogue to the material developed, which is capable of working with millimetre-length waves. A technique for magnetron sputtering was used to create the coating.
The study was supported by the Russian Foundation for Basic Research under project No. 20-07-00929. In the future, the scientific team intends to improve the new material as well as develop vacuum microelectronics devices based on it.
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