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New two-dimensional material beryllium azene has unique electronic properties

wallpapers News 2021-11-24
New two-dimensional material beryllium azene has unique electronic properties
According to the latest issue of Physical Review Letters, an international team led by researchers at Bayreuth University in Germany used modern high-pressure technology for the first time to develop a previously unknown two-dimensional material, beryllonitrene. The new material is composed of regularly arranged nitrogen atoms and beryllium atoms and has a unique electronic lattice structure, which is expected to show its talents in the field of quantum technology.
Two-dimensional materials refer to exotic materials with a length and width, but only one or two atoms in thickness. These materials have unique properties and are expected to improve the performance of electronic devices, solar cells, and medical devices. Since the introduction of graphene in 2004, people's interest in two-dimensional materials has increased day by day.
In this research, scientists have produced this new compound at an extremely high pressure of up to 100 gigapascals (about 1 million times higher than the earth’s atmospheric pressure) in the laboratory.
In terms of nature, beryllium azene is a new type of two-dimensional material. Unlike graphene, beryllium nitride is composed of pentagonal BeN4 and hexagonal Be2N4. This two-dimensional crystal structure causes slight distortion of the electronic lattice. Because of this electronic characteristic, it is very suitable for the field of quantum technology, for example, for the development of high-performance computers or new encryption technology for secure communications.
Research leader Natalia Dubviscaya said: "We have conducted close international cooperation in high-pressure research, and for the first time produced a compound that was completely unknown before. Great potential in the field of science."
The researchers further pointed out that although this achievement can only be achieved under the huge pressure generated by the laboratory and its industrial production is still difficult, the new compound is produced during the decompression process and can exist under environmental conditions. One point is very important. In principle, one day in the future, scientists can make beryllium nitrile or similar two-dimensional materials with the help of technically less complicated processes and use them in industrial fields. This research has opened up new prospects for high-pressure research and is expected to develop new two-dimensional materials with performance beyond graphene.

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